{"id":294,"date":"2026-07-04T11:21:18","date_gmt":"2026-07-04T11:21:18","guid":{"rendered":"https:\/\/gokoreastudy.com\/?post_type=visa-guides&#038;p=294"},"modified":"2026-07-04T11:44:29","modified_gmt":"2026-07-04T11:44:29","slug":"e-3","status":"publish","type":"visa-guides","link":"https:\/\/gokoreastudy.com\/ko\/visa-guides\/e-3\/","title":{"rendered":"E-3 Research Visa (Foreign Researcher)"},"content":{"rendered":"\n<!-- visa-guides:e-3 \u2014 generated by build-visa-html.mjs v2 (visa-guides.csv). \uc218\uc815\uc740 CSV\uc5d0\uc11c. -->\n<style>body.single-visa-guides .entry-header, body.single-visa-guides .entry-meta, body.single-visa-guides .ast-single-entry-banner, body.single-visa-guides [class*=\"ast-single-post-banner\"], body.single-visa-guides .post-navigation, body.single-visa-guides .ast-single-post-navigation-wrapper{ display:none !important; } body.single-visa-guides #content, body.single-visa-guides #primary, body.single-visa-guides .site-content, body.single-visa-guides .site-content > .ast-container, body.single-visa-guides .content-area, body.single-visa-guides .site-main, body.single-visa-guides .ast-article-single, body.single-visa-guides .entry-content{ padding:0 !important; margin:0 !important; max-width:100% !important; } body.single-visa-guides .ast-article-single{ background:transparent !important; border:none !important; box-shadow:none !important; } body.single-visa-guides .entry-content > p:empty{ display:none; } @import url(\"https:\/\/cdn.jsdelivr.net\/gh\/orioncactus\/pretendard@v1.3.9\/dist\/web\/variable\/pretendardvariable-dynamic-subset.min.css\"); .gk2{ --navy:#1D2A44; --navy-h:#2A3B5C; --red:#C60C30; --red-h:#A80A28; --base:#F8FAFC; --card:#FFFFFF; --border:#E2E8F0; --muted:#64748B; --tint:#EEF2F8; --on-brand-muted:#AEB8C9; --page:#DCE3EB; --r:16px; --r-lg:24px; --maxw:1120px; --shadow:0 1px 2px rgba(16,28,51,.04), 0 12px 28px -12px rgba(16,28,51,.18); --shadow-lg:0 24px 60px -20px rgba(16,28,51,.35); background:var(--page); color:var(--navy); line-height:1.6; font-family:\"Pretendard Variable\",Pretendard,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Noto Sans KR\",sans-serif; padding:18px; -webkit-font-smoothing:antialiased; width:auto; margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); overflow-x:clip; } .gk2 *{ box-sizing:border-box; } .gk2 img{ display:block; max-width:100%; } .gk2 a{ color:inherit; text-decoration:none; } .gk2 h1, .gk2 h2, .gk2 h3{ line-height:1.2; margin:0; letter-spacing:-.02em; } .gk2 p{ margin:0; } .gk2-surface{ background:#fff; border-radius:28px; box-shadow:var(--shadow-lg); overflow:hidden; max-width:1200px; margin:0 auto; } .gk2 .seal{ display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; border-radius:8px; background:var(--red); color:#fff; font-weight:800; font-size:13px; box-shadow:inset 0 0 0 2px rgba(255,255,255,.35); transform:rotate(-4deg); flex:none; } .gk2 .eyebrow{ display:inline-flex; align-items:center; gap:9px; font-size:.78rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase; color:var(--red); margin-bottom:16px; } .gk2 .eyebrow .seal{ width:22px; height:22px; font-size:10px; border-radius:6px; } .gk2 .btn{ display:inline-flex; align-items:center; gap:8px; font-weight:700; border-radius:999px; padding:11px 20px; cursor:pointer; border:1px solid transparent; transition:transform .12s, background .15s, box-shadow .15s; font-size:.95rem; } .gk2 .btn:hover{ transform:translateY(-1px); } .gk2 .btn--red{ background:var(--red); color:#fff; } .gk2 .btn--red:hover{ background:var(--red-h); } .gk2 .btn--navy{ background:var(--navy); color:#fff; } .gk2 .btn--navy:hover{ background:var(--navy-h); } .gk2 .btn--ghost{ background:rgba(255,255,255,.12); color:#fff; border-color:rgba(255,255,255,.45); } .gk2 .btn--ghost:hover{ background:rgba(255,255,255,.2); } .gk2 .btn--white{ background:#fff; color:var(--navy); } .gk2 .btn--white:hover{ box-shadow:var(--shadow); } .gk2 .btn--outline{ background:#fff; color:var(--navy); border-color:var(--border); } .gk2 .btn--outline:hover{ border-color:var(--navy); } .gk2 .hero{ padding:18px; } .gk2 .hero__frame{ position:relative; border-radius:var(--r-lg); overflow:hidden; min-height:460px; display:flex; } .gk2 .hero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); } .gk2 .hero__frame::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(105deg, rgba(13,21,40,.82) 0%, rgba(13,21,40,.45) 42%, rgba(13,21,40,.12) 70%, rgba(13,21,40,.05) 100%); } .gk2 .hero__glyph{ position:absolute; right:2%; bottom:-8%; font-size:min(34vw,420px); font-weight:900; line-height:.8; color:transparent; -webkit-text-stroke:2px rgba(255,255,255,.22); text-stroke:2px rgba(255,255,255,.22); pointer-events:none; z-index:1; user-select:none; } .gk2 .hero__content{ position:relative; z-index:2; align-self:center; padding:48px 8% 48px 7%; max-width:660px; color:#fff; } .gk2 .hero__kicker{ display:inline-flex; align-items:center; gap:9px; font-weight:700; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; color:#fff; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.25); padding:7px 14px; border-radius:999px; margin-bottom:20px; } .gk2 .hero h1{ font-size:clamp(2.4rem,5.2vw,4rem); font-weight:900; color:#fff; letter-spacing:-.03em; } .gk2 .hero h1 .accent{ position:relative; white-space:nowrap; } .gk2 .hero h1 .accent::after{ content:\"\"; position:absolute; left:0; right:0; bottom:.08em; height:.16em; background:var(--red); border-radius:3px; z-index:-1; } .gk2 .hero__sub{ margin:18px 0 28px; font-size:1.12rem; color:#E6EAF2; max-width:30em; } .gk2 .hero__cta{ display:flex; gap:12px; flex-wrap:wrap; } .gk2 .hero__trust{ margin-top:22px; font-size:.86rem; color:var(--on-brand-muted); display:flex; align-items:center; gap:8px; } .gk2 .subhero{ padding:18px; } .gk2 .subhero__frame{ position:relative; border-radius:var(--r-lg); overflow:hidden; min-height:330px; display:flex; align-items:center; justify-content:center; text-align:center; } .gk2 .subhero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); } .gk2 .subhero__frame::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(180deg, rgba(13,21,40,.55), rgba(13,21,40,.78)); } .gk2 .subhero__in{ position:relative; z-index:2; color:#fff; max-width:880px; padding:46px 28px; } .gk2 .subhero h1{ font-size:clamp(1.65rem,3vw,2.4rem); line-height:1.22; font-weight:900; color:#fff; letter-spacing:-.03em; } .gk2 .subhero__sub{ color:#E6EAF2; margin-top:14px; font-size:1.08rem; } .gk2 .subhero__cta{ margin-top:24px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; } .gk2 .subhero .eyebrow{ color:#fff; justify-content:center; } .gk2 .section{ padding:56px clamp(20px,5vw,64px); } .gk2 .section--tight{ padding-top:0; } .gk2 .prose{ max-width:760px; margin:0 auto; } .gk2 .prose h2{ font-size:clamp(1.4rem,2.4vw,1.8rem); margin:1.4em 0 .4em; } .gk2 .prose h2:first-child{ margin-top:0; } .gk2 .prose h3{ font-size:1.12rem; margin:1.2em 0 .3em; } .gk2 .prose p{ color:var(--navy); margin-bottom:1em; } .gk2 .prose ul{ padding-left:1.2em; margin:0 0 1em; } .gk2 .prose li{ margin:.35em 0; color:var(--navy); } .gk2 .lead{ font-size:1.08rem; color:var(--muted); } .gk2 .center{ text-align:center; } .gk2 .sec-head{ text-align:center; max-width:640px; margin:0 auto 32px; } .gk2 .sec-head h2{ font-size:clamp(1.5rem,2.8vw,2.1rem); } .gk2 .sec-head p{ color:var(--muted); margin-top:10px; } .gk2 .note{ background:#fff; border:1px solid var(--border); border-left:4px solid var(--red); border-radius:10px; padding:16px 20px; margin:0 auto 28px; max-width:760px; font-size:.96rem; } .gk2 .cardgrid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; max-width:980px; margin:0 auto; } .gk2 .cardgrid--2{ grid-template-columns:repeat(2,1fr); } .gk2 .cardgrid--4{ grid-template-columns:repeat(4,1fr); } .gk2 .infocard{ background:#fff; border:1px solid var(--border); border-radius:var(--r); padding:24px; transition:transform .15s, box-shadow .15s; } .gk2 .infocard:hover{ transform:translateY(-3px); box-shadow:var(--shadow); } .gk2 .infocard h3{ font-size:1.08rem; margin-bottom:7px; } .gk2 .infocard p{ color:var(--muted); font-size:.92rem; } .gk2 .infocard a.link{ color:var(--red); font-weight:700; font-size:.92rem; display:inline-block; margin-top:12px; } .gk2 .infocard .soon{ display:inline-block; margin-top:12px; font-size:.82rem; font-weight:700; color:var(--muted); background:var(--tint); padding:3px 10px; border-radius:999px; } .gk2 .infocard__ic{ width:42px; height:42px; border-radius:12px; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; margin-bottom:14px; } .gk2 .infocard__ic svg{ width:21px; height:21px; } .gk2 .why{ display:grid; grid-template-columns:1.05fr .95fr; gap:48px; padding:64px clamp(20px,6vw,8%) 56px; align-items:center; } .gk2 .why h2{ font-size:clamp(1.5rem,2.6vw,2rem); } .gk2 .why p.lead{ margin:16px 0 22px; } .gk2 .socials{ display:flex; gap:10px; } .gk2 .socials a{ width:40px; height:40px; border-radius:50%; background:var(--tint); display:flex; align-items:center; justify-content:center; color:var(--navy); transition:background .15s,color .15s; } .gk2 .socials a:hover{ background:var(--navy); color:#fff; } .gk2 .featstack{ display:grid; gap:14px; } .gk2 .feat{ display:flex; gap:16px; padding:18px 20px; background:var(--tint); border:1px solid var(--border); border-radius:var(--r); transition:transform .15s, box-shadow .15s; } .gk2 .feat:hover{ transform:translateY(-2px); box-shadow:var(--shadow); } .gk2 .feat__ic{ width:44px; height:44px; flex:none; border-radius:12px; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; } .gk2 .feat__ic svg{ width:22px; height:22px; } .gk2 .feat h3{ font-size:1.02rem; margin-bottom:4px; } .gk2 .feat p{ font-size:.9rem; color:var(--muted); } .gk2 .stats{ display:flex; justify-content:center; gap:64px; flex-wrap:wrap; padding:8px 8% 56px; } .gk2 .stat{ text-align:center; } .gk2 .stat__ic{ width:52px; height:52px; margin:0 auto 12px; border-radius:50%; background:#fff; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--red); box-shadow:var(--shadow); } .gk2 .stat__ic svg{ width:24px; height:24px; } .gk2 .stat b{ font-size:1.7rem; font-weight:900; display:block; letter-spacing:-.02em; } .gk2 .stat span{ font-size:.85rem; color:var(--muted); } .gk2 .panel{ margin:0 18px 18px; background:var(--tint); border-radius:var(--r-lg); padding:40px clamp(20px,4vw,44px); } .gk2 .panel__head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:26px; } .gk2 .panel__head h2{ font-size:clamp(1.5rem,2.6vw,2rem); } .gk2 .panel__head p{ color:var(--muted); max-width:34em; margin-top:8px; font-size:.98rem; } .gk2 .uni-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; } .gk2 .uni{ position:relative; border-radius:var(--r); overflow:hidden; min-height:300px; display:flex; align-items:flex-end; color:#fff; box-shadow:var(--shadow); transition:transform .18s, box-shadow .18s; } .gk2 .uni:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); } .gk2 .uni img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); z-index:0; } .gk2 .uni::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(to top, rgba(13,21,40,.92) 6%, rgba(13,21,40,.4) 46%, rgba(13,21,40,.05) 78%); z-index:1; } .gk2 .uni__body{ position:relative; z-index:2; padding:16px; width:100%; } .gk2 .uni__badge{ position:absolute; top:14px; left:14px; z-index:2; background:rgba(255,255,255,.92); color:var(--navy); font-weight:800; font-size:.74rem; padding:5px 10px; border-radius:999px; box-shadow:var(--shadow); } .gk2 .uni h3{ font-size:1.04rem; color:#fff; } .gk2 .uni__loc{ font-size:.82rem; color:#E6EAF2; margin-top:3px; } .gk2 .uni__tags{ display:flex; gap:6px; flex-wrap:wrap; margin-top:11px; } .gk2 .tag{ font-size:.7rem; font-weight:700; padding:4px 9px; border-radius:999px; background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.28); } .gk2 .tag--red{ background:var(--red); border-color:var(--red); } .gk2 .panel__foot{ display:flex; align-items:center; justify-content:space-between; margin-top:24px; } .gk2 .carousel-nav{ display:flex; gap:10px; } .gk2 .carousel-nav button{ width:42px; height:42px; border-radius:50%; border:1px solid var(--border); background:#fff; color:var(--navy); cursor:pointer; font-size:1.1rem; transition:background .15s,color .15s; } .gk2 .carousel-nav button:hover{ background:var(--navy); color:#fff; } .gk2 .guides{ display:grid; grid-template-columns:1.15fr 1fr 1fr; gap:18px; padding:8px 18px 56px; } .gk2 .gcard{ border-radius:var(--r-lg); overflow:hidden; min-height:300px; display:flex; } .gk2 .gcard--navy{ background:var(--navy); color:#fff; flex-direction:column; justify-content:space-between; padding:30px; } .gk2 .gcard--navy h2{ color:#fff; font-size:1.5rem; } .gk2 .gcard--navy p{ color:var(--on-brand-muted); margin:12px 0 0; font-size:.96rem; } .gk2 .gcard--img{ position:relative; align-items:flex-end; color:#fff; box-shadow:var(--shadow); transition:transform .18s; } .gk2 .gcard--img:hover{ transform:translateY(-4px); } .gk2 .gcard--img img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); z-index:0; } .gk2 .gcard--img::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(to top, rgba(13,21,40,.92), rgba(13,21,40,.2) 60%, rgba(13,21,40,0)); z-index:1; } .gk2 .gcard__body{ position:relative; z-index:2; padding:22px; } .gk2 .gcard__ic{ position:absolute; top:16px; left:16px; z-index:2; width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.92); color:var(--red); display:flex; align-items:center; justify-content:center; } .gk2 .gcard__ic svg{ width:20px; height:20px; } .gk2 .gcard--img h3{ color:#fff; font-size:1.12rem; } .gk2 .gcard--img p{ color:#E6EAF2; font-size:.88rem; margin-top:6px; } .gk2 .steps{ padding:8px 8% 60px; text-align:center; } .gk2 .steps h2{ font-size:clamp(1.5rem,2.6vw,2rem); margin-bottom:8px; } .gk2 .steps>p{ color:var(--muted); margin-bottom:36px; } .gk2 .steprow{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; } .gk2 .step{ text-align:left; padding:26px 24px; background:#fff; border:1px solid var(--border); border-radius:var(--r); } .gk2 .step__n{ font-size:2.4rem; font-weight:900; color:var(--tint); line-height:1; letter-spacing:-.04em; } .gk2 .step__n b{ color:var(--red); } .gk2 .step h3{ font-size:1.1rem; margin:6px 0 8px; } .gk2 .step p{ color:var(--muted); font-size:.92rem; } .gk2 .ctaband{ margin:0 18px 18px; border-radius:var(--r-lg); background:var(--red); color:#fff; padding:54px 8%; text-align:center; position:relative; overflow:hidden; } .gk2 .ctaband::before{ content:\"\u5370\"; position:absolute; right:4%; top:50%; transform:translateY(-50%) rotate(-6deg); font-size:13rem; font-weight:900; color:rgba(255,255,255,.08); pointer-events:none; } .gk2 .ctaband h2{ color:#fff; font-size:clamp(1.5rem,3vw,2.1rem); position:relative; } .gk2 .ctaband p{ color:rgba(255,255,255,.9); margin:14px auto 26px; max-width:34em; position:relative; } .gk2 .ctaband .btn{ position:relative; } .gk2 .formslot{ max-width:520px; margin:0 auto; } @media (max-width:980px){ .gk2 .why{ grid-template-columns:1fr; gap:32px; } .gk2 .uni-grid, .gk2 .cardgrid--4{ grid-template-columns:repeat(2,1fr); } .gk2 .guides{ grid-template-columns:1fr; } .gk2 .steprow, .gk2 .cardgrid{ grid-template-columns:1fr; } .gk2 .cardgrid--2{ grid-template-columns:1fr; } } @media (max-width:760px){ .gk2 .hero__content{ padding:36px 28px; } .gk2 .stats{ gap:36px; } .gk2 .uni-grid, .gk2 .cardgrid--4{ grid-template-columns:1fr; } } @media (prefers-reduced-motion:reduce){ .gk2 *{ transition:none !important; animation:none !important; } } .gk2 .subhero__frame--grad{ background: radial-gradient(1100px 480px at 88% 118%, rgba(198,12,48,.55), transparent 62%), linear-gradient(118deg, #141F36 0%, var(--navy) 52%, #35213A 100%); } .gk2 .subhero__frame--grad::after{ content:none; } .gk2 .subhero__frame--grad .hero__glyph{ right:-2%; bottom:-14%; font-size:min(30vw,340px); } .gk2 .vcode{ display:inline-flex; align-items:center; gap:12px; margin-bottom:14px; } .gk2 .vcode b{ font-size:clamp(2.6rem,6vw,3.6rem); font-weight:900; letter-spacing:-.02em; color:#fff; line-height:1; } .gk2 .vtags{ display:flex; gap:6px; flex-wrap:wrap; justify-content:center; margin-top:18px; } .gk2 .vtags .tag{ font-size:.7rem; padding:4px 11px; } .gk2 .vmeta{ margin-top:20px; font-size:.8rem; color:var(--on-brand-muted); } .gk2 .srcline{ text-align:center; font-size:.88rem; color:var(--muted); margin:-14px auto 28px; max-width:760px; } .gk2 .srcline a{ color:var(--red); font-weight:700; text-decoration:underline; text-underline-offset:2px; } .gk2 .infocard__k{ font-size:.72rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; color:var(--red); margin-bottom:8px; } .gk2 .infocard .big{ color:var(--navy); font-size:1.02rem; font-weight:700; margin-bottom:6px; } .gk2 .steprow--4{ grid-template-columns:repeat(4,1fr); max-width:980px; margin:0 auto; } .gk2 .step--dim{ opacity:.45; } .gk2 .checklist{ list-style:none; padding:0; margin:14px 0 0; display:grid; gap:10px; } .gk2 .checklist li{ display:flex; gap:11px; align-items:flex-start; color:var(--navy); font-size:.97rem; } .gk2 .checklist .ck{ flex:none; width:22px; height:22px; border-radius:50%; background:var(--tint); color:var(--red); font-weight:900; font-size:.78rem; display:flex; align-items:center; justify-content:center; margin-top:2px; } .gk2 .howto{ list-style:none; counter-reset:hw; padding:0; margin:14px 0 0; display:grid; gap:12px; } .gk2 .howto li{ counter-increment:hw; position:relative; background:#fff; border:1px solid var(--border); border-radius:var(--r); padding:16px 18px 16px 58px; color:var(--navy); font-size:.96rem; } .gk2 .howto li::before{ content:counter(hw); position:absolute; left:16px; top:14px; width:28px; height:28px; border-radius:50%; background:var(--navy); color:#fff; font-weight:800; font-size:.85rem; display:flex; align-items:center; justify-content:center; } .gk2 .howto li > strong{ display:block; margin-bottom:6px; color:var(--navy); } .gk2 .howto .checklist{ margin-top:8px; } .gk2 .howto .checklist li{ padding:0; border:none; background:none; font-size:.92rem; } .gk2 .howto .tick{ margin:8px 0 0; padding-left:0; } .gk2 .howto .tick li{ font-size:.92rem; margin:.3em 0; } .gk2 .vspec{ max-width:760px; margin:0 auto; background:#fff; border:1px solid var(--border); border-radius:var(--r); overflow:hidden; } .gk2 .vrow{ display:grid; grid-template-columns:190px 1fr; gap:16px; padding:16px 20px; border-bottom:1px solid var(--border); } .gk2 .vrow:last-child{ border-bottom:0; } .gk2 .vrow__k{ font-size:.72rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase; color:var(--red); padding-top:3px; } .gk2 .vrow__v{ color:var(--navy); font-size:.94rem; } .gk2 .vrow__v p{ margin:0 0 .55em; } .gk2 .vrow__v p:last-child{ margin-bottom:0; } .gk2 .vpath{ display:flex; flex-direction:column; gap:12px; margin:14px 0 0; } .gk2 .vpath__line{ display:flex; align-items:center; gap:8px; 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padding-left:22px; } .gk2 .prose ul.tick li::before{ content:\"\"; position:absolute; left:4px; top:.58em; width:7px; height:7px; border-radius:2px; background:var(--red); } @media (max-width:980px){ .gk2 .steprow--4{ grid-template-columns:repeat(2,1fr); } } @media (max-width:640px){ .gk2 .steprow--4{ grid-template-columns:1fr; } .gk2 .vrow{ grid-template-columns:1fr; gap:6px; } }<\/style>\n<div class=\"gk2\">\n  <div class=\"gk2-surface\">\n\n    <section class=\"subhero\">\n      <div class=\"subhero__frame subhero__frame--grad\">\n        <span class=\"hero__glyph\" aria-hidden=\"true\">E-3<\/span>\n        <div class=\"subhero__in\">\n          <span class=\"eyebrow\"><span class=\"seal\">\u5370<\/span> Visa Guides<\/span>\n          <div class=\"vcode\"><b>E-3<\/b><\/div>\n          <h1>Research Visa (Foreign Researcher)<\/h1>\n          <p class=\"subhero__sub\">\uc5f0\uad6c(E-3) &mdash; E-series work visa (professional employment) &#8211; Research<\/p>\n          <div class=\"vtags\">\n            <span class=\"tag tag--red\">&#9679; Active<\/span>\n            <span class=\"tag\">Category E<\/span>\n            <span class=\"tag\">After graduation<\/span>\n          <\/div>\n          <p class=\"vmeta\">Last updated 2026-07-04 \u00b7 Official Korean government sources<\/p>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"section\">\n      <div class=\"note\"><strong>Note:<\/strong> This is general information, not legal advice. Rules change &mdash; always confirm on the official sources for your country.<\/div>\n      <div class=\"sec-head\"><h2>At a glance<\/h2><\/div>\n      <div class=\"cardgrid\"><div class=\"infocard\"><div class=\"infocard__k\">Who it&#39;s for<\/div><p>Foreign nationals coming to Korea to do research in the natural sciences or research and development of advanced industrial technology, employed by a qualifying\u2026<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Length of stay<\/div><p>Up to 5 years per period of stay granted (the maximum single grant of stay for E-3 under the Immigration Act Enforcement Rules, attached Table 1 (\ubcc4\ud45c1)), in practice\u2026<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Can you work?<\/div><p>Yes &#8211; E-3 is a work visa. The holder may carry out the approved research activity at the sponsoring institute\/company.<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Korean needed?<\/div><p>No fixed nationwide TOPIK level is set for E-3 itself.<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Fee &amp; time<\/div><p>Fee: In-country change of status to E-3: KRW 130,000. Extension of stay: KRW 60,000. Overseas single-entry visa issuance: about KRW 60,000 \/ USD 60 equivalent at an embassy (multiple-entry higher). Alien registration: KRW 30,000. Fees change periodically &#8211; check the official HiKorea\/immigration fee schedule. \u00b7 Time: The Certificate of Visa Issuance review commonly takes about a week to a few weeks; the\u2026<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Leads to<\/div><div class=\"vpath vpath--sm\"><div class=\"vpath__line\"><a class=\"vpath__chip\" href=\"\/visa-guides\/d-2\/\"><b>D-2<\/b> student, including STEM master&#8217;s\/PhD graduates<\/a><span class=\"vpath__arr\">\u2192<\/span><a class=\"vpath__chip\" href=\"\/visa-guides\/e-3\/\"><b>E-3<\/b> after taking a qualifying research job<\/a><\/div><\/div><\/div><\/div>\n    <\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Where this fits in your journey<\/h2><\/div>\n      <div class=\"steprow steprow--4\">\n        <div class=\"step step--dim\"><div class=\"step__n\">01<\/div><h3>Before arrival<\/h3><p>Get admitted, prepare documents, apply.<\/p><\/div>\n        <div class=\"step step--dim\"><div class=\"step__n\">02<\/div><h3>During study<\/h3><p>ARC, extensions, permits while in Korea.<\/p><\/div>\n        <div class=\"step\"><div class=\"step__n\"><b>03<\/b><\/div><h3>After graduation<\/h3><p>Job-seeking and work visas.<\/p><\/div>\n        <div class=\"step step--dim\"><div class=\"step__n\">04<\/div><h3>Settlement<\/h3><p>Long-term residence and PR.<\/p><\/div>\n      <\/div>\n    <\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Who can apply<\/h2><ul class=\"checklist\"><li><span class=\"ck\">\u2713<\/span><span>Foreign nationals coming to Korea to do research in the natural sciences or research and development of advanced industrial technology, employed by a qualifying research institute or company.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>Typical categories used in the official guidance: (1) holders of a doctorate (PhD) in a relevant field &#8211; no work experience required; (2) holders of a master&#8217;s degree in a relevant field WITH about 3 or more years of R&amp;D work experience; (3) bachelor&#8217;s degree or higher researchers invited through the WCU (World Class University) project.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>Qualifying employers include research institutes set up under special laws (for example the Act on the Establishment, Operation and Fostering of Government-funded Research Institutes, the Special Research Institutes Promotion Act, and the science-and-technology government research institute law), national\/public research institutes, and companies&#8217; R&amp;D centers, plus research staff at defense-industry institutions under the Defense Industry Act.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>E-3 is a major post-graduation path for STEM master&#8217;s\/PhD graduates of Korean universities (D-2) who take a research job.<\/span><\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Documents you&#39;ll need<\/h2><ul class=\"tick\"><li>Visa application form with photo (3.5 x 4.5 cm, taken within 6 months)<\/li><li>passport (and copy)<\/li><li>the employer&#8217;s Certificate of Visa Issuance application (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc2e0\uccad\uc11c) when applying from abroad<\/li><li>employment (labor) contract or certificate of employment<\/li><li>original degree certificate (diploma) for the highest degree<\/li><li>work-experience\/career certificate (\uacbd\ub825\uc99d\uba85\uc11c) &#8211; generally not required for PhD holders<\/li><li>the applicant&#8217;s resume\/CV including a research record<\/li><li>a research plan or research-utilization plan<\/li><li>invitation letter from the institute<\/li><li>the employer&#8217;s business registration certificate and, where a representative files, a power of attorney. The exact list varies by institute and by the applicant&#8217;s situation &#8211; confirm on HiKorea or with the handling immigration office before applying, as extra documents are often requested.<\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>How to apply<\/h2><p>Overseas embassy visa (\uc0ac\uc99d) or domestic change-of-status; E-3 commonly uses a Certificate for Confirmation of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) filed in Korea by the employing research institution. Two common routes.<\/p><ol class=\"howto\"><li><strong>From abroad: the Korean employer (research institute\/company) applies to its local immigration office for a Certificate of Visa Issuance \/ Confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c).<\/strong><ul class=\"tick\"><li>Applications are typically accepted from up to about 90 days before the employment start date.<\/li><li>Once the certificate\/number is issued, the researcher applies for the actual visa at a Korean embassy or consulate.<\/li><\/ul><\/li><li><strong>In-country change of status: someone already in Korea on another status (for example D-2 student after graduation, or D-10 job-seeker) can apply to change to E-3 at an immigration office, booked through HiKorea (hikorea.go.kr).<\/strong><p style=\"margin:.4em 0 0\">Short assignments under 90 days may use a short-term employment visa (C-4) instead.<\/p><\/li><\/ol><\/div><\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Stay &amp; extension<\/h2><\/div>\n      <div class=\"cardgrid cardgrid--2\" style=\"max-width:760px\"><div class=\"infocard\"><div class=\"infocard__k\">How long you can stay<\/div><p>Up to 5 years per period of stay granted (the maximum single grant of stay for E-3 under the Immigration Act Enforcement Rules, attached Table 1 (\ubcc4\ud45c1)), in practice tied to the length of the employment\/research contract. Renewable while the research employment and eligibility continue.<\/p><\/div>\n<div class=\"infocard\"><div class=\"infocard__k\">Extending your stay<\/div><p>Extension of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5\ud5c8\uac00) is applied for at an immigration office, booked via HiKorea, generally before the current stay expires. The research employment must be ongoing and eligibility conditions still met.<\/p><p>Changing to a different employer\/institute normally requires a separate report or change procedure rather than a simple extension.<\/p><\/div><\/div>\n    <\/section>\n\n    <section class=\"section section--tight\"><div class=\"prose\"><h2>Working on this visa<\/h2><p>Yes &#8211; E-3 is a work visa. The holder may carry out the approved research activity at the sponsoring institute\/company.<\/p><p>Working outside the permitted research activity, or moving to a new employer without the required immigration report\/approval, is not allowed.<\/p><\/div><\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Requirements in detail<\/h2><\/div>\n      <div class=\"vspec\"><div class=\"vrow\"><div class=\"vrow__k\">Korean language<\/div><div class=\"vrow__v\"><p>No fixed nationwide TOPIK level is set for E-3 itself. Korean ability is not a formal eligibility requirement for the research employment, though it can matter for later paths such as the F-2-7 points system.<\/p><\/div><\/div>\n<div class=\"vrow\"><div class=\"vrow__k\">Money to show<\/div><div class=\"vrow__v\"><p>GNI-linked wage floor for professional E-visas; 2024 per-capita GNI \u20a949,955,000 applied 2025-04-01~2026-03-31. Exact E-3 multiplier per MOJ manual (unverified).<\/p><\/div><\/div>\n<div class=\"vrow\"><div class=\"vrow__k\">Ministry endorsement<\/div><div class=\"vrow__v\"><p>Host must be a qualifying research institution (\uad6d\uacf5\ub9bd\u00b7\uc815\ubd80\ucd9c\uc5f0\u00b7\uae30\uc5c5\ubd80\uc124 \uc5f0\uad6c\uc18c \ub4f1 \uc778\uc815\uae30\uad00); institution eligibility verified. E-1(Professor)\u2194E-3 reciprocal cross-activity allowed for qualifying advanced S&amp;T personnel.<\/p><\/div><\/div>\n<div class=\"vrow\"><div class=\"vrow__k\">Waivers \/ special<\/div><div class=\"vrow__v\"><p>Normally master&#8217;s + 3 yrs research experience OR PhD. Experience waived for: domestic (Korean) master&#8217;s holders; overseas top-university master&#8217;s (THE world reputation top 200 or QS top 500); or lead\/co\/corresponding authors of indexed papers (SCI\/SCIE\/SSCI\/A&amp;HCI).<\/p><\/div><\/div><\/div>\n    <\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Sub-types<\/h2><\/div>\n      <div class=\"prose\"><p>No published numeric subtypes verified (unverified); E-3 covers research in natural sciences \/ advanced industrial technology at qualifying research institutions.<\/p><\/div>\n      \n    <\/section>\n<section class=\"section section--tight\"><div class=\"cardgrid cardgrid--2\" style=\"max-width:760px\"><div class=\"infocard\"><div class=\"infocard__k\">Family<\/div><p>Spouse and unmarried minor children accompany on F-3 (\ub3d9\ubc18).<\/p><\/div>\n<div class=\"infocard\"><div class=\"infocard__k\">Mobile ARC<\/div><p>Applies. Since 2025-01-10 registered foreigners aged 14+ with their own smartphone can issue a mobile alien registration card (\uc678\uad6d\uc778\ub4f1\ub85d\uc99d) (same legal effect); E-3 holders eligible after alien registration.<\/p><\/div><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>2025&ndash;2026 policy updates<\/h2><ul class=\"tick\"><li>Science\/technology talent expansion (detected via Korean immigration news, dated July 2024, described as part of an ongoing Ministry of Justice push): the E-3 experience rule was relaxed so that foreign holders of a master&#8217;s degree from a world-class university (reported as THE top 200 or QS top 500) or authors of papers in major journals can be invited as E-3 researchers WITHOUT the previously required ~3 years of experience.<\/li><li>The official effective date was not specified in the source and should be re-verified against the current immigration manual (unverified).<\/li><li>Related student-side change (same policy set): the D-2-5 research-student status was expanded so domestic universities ranked within QS top 500 (about 7 universities including Seoul National University) can invite foreign undergraduate STEM students, widening the D-2-5 -&gt; E-3 pipeline (unverified effective date).<\/li><li>Family-visa change affecting E-3 dependents: from 2025-07-01 the F-3 dependent visa requires the main applicant to prove income by family size (for example a family of four ~KRW 3,048,887\/month, ~KRW 36,586,644\/year), and from 2025-04 in-country F-3 applications and eased document rules changed; however, spouses and minor children of E-3 (and E-1\/E-4\/E-5\/E-7) holders issued a GOLD CARD for high science-and-technology employment receive special treatment\/exemptions, and spouses of designated outstanding talent may work (excluding restricted sectors).<\/li><li>Re-verify all figures and dates on the official manual before relying on them.<\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Common mistakes<\/h2><p>Master&#8217;s-degree applicants assuming no work experience is needed &#8211; the standard rule still asks for about 3 years of R&amp;D experience unless the applicant qualifies under the relaxed world-class-university\/journal-author route; the applicant&#8217;s degree field not matching the research job; the employer not being a qualifying research institution; missing the experience\/career certificate; starting research work before the visa or change of status is actually approved; and confusing E-3 (Research) with E-7 (Specially Designated Activities) or the C-4 short-term employment visa for assignments under 90 days.<\/p>\n<h2>Where this leads<\/h2><div class=\"vpath\"><div class=\"vpath__line\"><a class=\"vpath__chip\" href=\"\/visa-guides\/d-2\/\"><b>D-2<\/b> student, including STEM master&#8217;s\/PhD graduates<\/a><span class=\"vpath__arr\">\u2192<\/span><a class=\"vpath__chip\" href=\"\/visa-guides\/e-3\/\"><b>E-3<\/b> after taking a qualifying research job<\/a><\/div><div class=\"vpath__note\">E-3 held for 1 year or more can apply to change to F-2-7 (points-based residence).<\/div><div class=\"vpath__note\">F-2-7 holders can later apply for F-5 (permanent residence) if income, stay length and other conditions are met.<\/div><\/div>\n<p style=\"margin-top:20px\"><a class=\"btn btn--red\" href=\"https:\/\/www.hikorea.go.kr\" target=\"_blank\" rel=\"noopener\">Official source &#8599;<\/a>\n        &nbsp;<a class=\"btn btn--outline\" href=\"https:\/\/www.immigration.go.kr\/bbs\/immigration\/211\/593146\/artclView.do\" target=\"_blank\" rel=\"noopener\">Official manual &#8599;<\/a><\/p><\/div><div class=\"note\" style=\"margin-top:20px\"><strong>If you break the rules:<\/strong> Overstay\/illegal work \u2192 deportation (\uac15\uc81c\ud1f4\uac70), entry ban and penalties; illegal employment up to 3 yrs imprisonment or \u20a930M fine (Immigration Control Act Article 94, \ucd9c\uc785\uad6d\uad00\ub9ac\ubc95 \u00a794); overstay penalty fine (\ubc94\uce59\uae08) and re-entry restriction.<\/div><\/section>\n\n    <section class=\"ctaband\">\n      <h2>Get visa updates by email<\/h2>\n      <p>Join GoKorea Insider for clear updates on visas and key dates.<\/p>\n      <a class=\"btn btn--white\" href=\"\/gokorea-insider\/\">Join Insider &mdash; Free<\/a>\n    <\/section>\n  <\/div>\n<\/div>\n","protected":false},"featured_media":332,"template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"E-3 Visa Korea: Researcher Guide | GoKorea Study","rank_math_description":"The E-3 research visa is for foreigners doing science or R&D work at a Korean institute or company. Learn the requirements, documents and 2026 updates.","rank_math_focus_keyword":"e-3 research visa korea","rank_math_robots":[]},"visa_category":[32],"journey_stage":[31],"class_list":["post-294","visa-guides","type-visa-guides","status-publish","has-post-thumbnail","hentry","visa_category-e","journey_stage-after-graduation"],"acf":{"visa_code":"E-3","visa_name_en":"Research Visa (Foreign Researcher)","visa_name_kr":"\uc5f0\uad6c(E-3)","guide_type":"visa","status":"active","visa_type":"E-series work visa (professional employment) - Research","eligible_applicants":"Foreign nationals coming to Korea to do research in the natural sciences or research and development of advanced industrial technology, employed by a qualifying research institute or company. Typical categories used in the official guidance: (1) holders of a doctorate (PhD) in a relevant field - no work experience required; (2) holders of a master's degree in a relevant field WITH about 3 or more years of R&D work experience; (3) bachelor's degree or higher researchers invited through the WCU (World Class University) project. Qualifying employers include research institutes set up under special laws (for example the Act on the Establishment, Operation and Fostering of Government-funded Research Institutes, the Special Research Institutes Promotion Act, and the science-and-technology government research institute law), national\/public research institutes, and companies' R&D centers, plus research staff at defense-industry institutions under the Defense Industry Act. E-3 is a major post-graduation path for STEM master's\/PhD graduates of Korean universities (D-2) who take a research job.","required_documents":"Visa application form with photo (3.5 x 4.5 cm, taken within 6 months); passport (and copy); the employer's Certificate of Visa Issuance application (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc2e0\uccad\uc11c) when applying from abroad; employment (labor) contract or certificate of employment; original degree certificate (diploma) for the highest degree; work-experience\/career certificate (\uacbd\ub825\uc99d\uba85\uc11c) - generally not required for PhD holders; the applicant's resume\/CV including a research record; a research plan or research-utilization plan; invitation letter from the institute; the employer's business registration certificate and, where a representative files, a power of attorney. The exact list varies by institute and by the applicant's situation - confirm on HiKorea or with the handling immigration office before applying, as extra documents are often requested.","processing_notes":"Two common routes. (1) From abroad: the Korean employer (research institute\/company) applies to its local immigration office for a Certificate of Visa Issuance \/ Confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c). Applications are typically accepted from up to about 90 days before the employment start date. Once the certificate\/number is issued, the researcher applies for the actual visa at a Korean embassy or consulate. (2) In-country change of status: someone already in Korea on another status (for example D-2 student after graduation, or D-10 job-seeker) can apply to change to E-3 at an immigration office, booked through HiKorea (hikorea.go.kr). Short assignments under 90 days may use a short-term employment visa (C-4) instead.","duration_of_stay":"Up to 5 years per period of stay granted (the maximum single grant of stay for E-3 under the Immigration Act Enforcement Rules, attached Table 1 (\ubcc4\ud45c1)), in practice tied to the length of the employment\/research contract. Renewable while the research employment and eligibility continue.","extension_rules":"Extension of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5\ud5c8\uac00) is applied for at an immigration office, booked via HiKorea, generally before the current stay expires. The research employment must be ongoing and eligibility conditions still met. Changing to a different employer\/institute normally requires a separate report or change procedure rather than a simple extension.","work_permission":"Yes - E-3 is a work visa. The holder may carry out the approved research activity at the sponsoring institute\/company. Working outside the permitted research activity, or moving to a new employer without the required immigration report\/approval, is not allowed.","korean_requirement":"No fixed nationwide TOPIK level is set for E-3 itself. Korean ability is not a formal eligibility requirement for the research employment, though it can matter for later paths such as the F-2-7 points system.","path_to":"D-2 (student, including STEM master's\/PhD graduates) -> E-3 after taking a qualifying research job; E-3 held for 1 year or more can apply to change to F-2-7 (points-based residence); F-2-7 holders can later apply for F-5 (permanent residence) if income, stay length and other conditions are met.","application_fee":"In-country change of status to E-3: KRW 130,000. Extension of stay: KRW 60,000. Overseas single-entry visa issuance: about KRW 60,000 \/ USD 60 equivalent at an embassy (multiple-entry higher). Alien registration: KRW 30,000. Fees change periodically - check the official HiKorea\/immigration fee schedule.","processing_time":"The Certificate of Visa Issuance review commonly takes about a week to a few weeks; the embassy visa step after that is usually a few business days. In-country change of status also takes several weeks. Actual times vary by immigration office - confirm with the handling office. (unverified for exact figures)","policy_updates_2025_2026":"Science\/technology talent expansion (detected via Korean immigration news, dated July 2024, described as part of an ongoing Ministry of Justice push): the E-3 experience rule was relaxed so that foreign holders of a master's degree from a world-class university (reported as THE top 200 or QS top 500) or authors of papers in major journals can be invited as E-3 researchers WITHOUT the previously required ~3 years of experience. The official effective date was not specified in the source and should be re-verified against the current immigration manual (unverified). Related student-side change (same policy set): the D-2-5 research-student status was expanded so domestic universities ranked within QS top 500 (about 7 universities including Seoul National University) can invite foreign undergraduate STEM students, widening the D-2-5 -> E-3 pipeline (unverified effective date). Family-visa change affecting E-3 dependents: from 2025-07-01 the F-3 dependent visa requires the main applicant to prove income by family size (for example a family of four ~KRW 3,048,887\/month, ~KRW 36,586,644\/year), and from 2025-04 in-country F-3 applications and eased document rules changed; however, spouses and minor children of E-3 (and E-1\/E-4\/E-5\/E-7) holders issued a GOLD CARD for high science-and-technology employment receive special treatment\/exemptions, and spouses of designated outstanding talent may work (excluding restricted sectors). Re-verify all figures and dates on the official manual before relying on them.","subtypes_note":"E-3 (\uc5f0\uad6c) covers research in the natural sciences and R&D of advanced industrial technology, high-level science-and-technology personnel, and (in the broader legal wording) research in social sciences, humanities and arts\/sports fields, plus research staff at defense-industry institutions. Korean government classification-code datasets list E-3 detailed codes (\uc138\ubd80\ucf54\ub4dc) by field, but the public immigration manuals generally treat E-3 as a single research category rather than publishing distinct E-3-1\/E-3-2 rules the way E-7 does. Specific sub-code mappings (for example E-3-1) are not clearly documented in the public manual and are left unstated here to avoid guessing (unverified).","common_mistakes":"Master's-degree applicants assuming no work experience is needed - the standard rule still asks for about 3 years of R&D experience unless the applicant qualifies under the relaxed world-class-university\/journal-author route; the applicant's degree field not matching the research job; the employer not being a qualifying research institution; missing the experience\/career certificate; starting research work before the visa or change of status is actually approved; and confusing E-3 (Research) with E-7 (Specially Designated Activities) or the C-4 short-term employment visa for assignments under 90 days.","official_link":"https:\/\/www.hikorea.go.kr","official_manual_url":"https:\/\/www.immigration.go.kr\/bbs\/immigration\/211\/593146\/artclView.do","issuance_route":"Overseas embassy visa (\uc0ac\uc99d) or domestic change-of-status; E-3 commonly uses a Certificate for Confirmation of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) filed in Korea by the employing research institution.","keta_required":"","annual_quota":"","income_threshold":"GNI-linked wage floor for professional E-visas; 2024 per-capita GNI \u20a949,955,000 applied 2025-04-01~2026-03-31. Exact E-3 multiplier per MOJ manual (unverified).","points_system_summary":"","subtype_table":"No published numeric subtypes verified (unverified); E-3 covers research in natural sciences \/ advanced industrial technology at qualifying research institutions.","family_accompaniment":"Spouse and unmarried minor children accompany on F-3 (\ub3d9\ubc18).","competent_ministry_endorsement":"Host must be a qualifying research institution (\uad6d\uacf5\ub9bd\u00b7\uc815\ubd80\ucd9c\uc5f0\u00b7\uae30\uc5c5\ubd80\uc124 \uc5f0\uad6c\uc18c \ub4f1 \uc778\uc815\uae30\uad00); institution eligibility verified. E-1(Professor)\u2194E-3 reciprocal cross-activity allowed for qualifying advanced S&T personnel.","mobile_residence_card":"Applies. Since 2025-01-10 registered foreigners aged 14+ with their own smartphone can issue a mobile alien registration card (\uc678\uad6d\uc778\ub4f1\ub85d\uc99d) (same legal effect); E-3 holders eligible after alien registration.","penalties":"Overstay\/illegal work \u2192 deportation (\uac15\uc81c\ud1f4\uac70), entry ban and penalties; illegal employment up to 3 yrs imprisonment or \u20a930M fine (Immigration Control Act Article 94, \ucd9c\uc785\uad6d\uad00\ub9ac\ubc95 \u00a794); overstay penalty fine (\ubc94\uce59\uae08) and re-entry restriction.","experience_waiver_conditions":"Normally master's + 3 yrs research experience OR PhD. Experience waived for: domestic (Korean) master's holders; overseas top-university master's (THE world reputation top 200 or QS top 500); or lead\/co\/corresponding authors of indexed papers (SCI\/SCIE\/SSCI\/A&HCI).","last_updated_date":"2026-07-04"},"uagb_featured_image_src":{"full":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports.jpg",1600,2000,false],"thumbnail":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-150x150.jpg",150,150,true],"medium":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-240x300.jpg",240,300,true],"medium_large":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-768x960.jpg",768,960,true],"large":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-819x1024.jpg",819,1024,true],"1536x1536":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-1229x1536.jpg",1229,1536,true],"2048x2048":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports.jpg",1600,2000,false],"trp-custom-language-flag":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-10x12.jpg",10,12,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/gokoreastudy.com\/ko\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"E-3 \u5370 Visa Guides E-3 Research Visa (Foreign Researcher) \uc5f0\uad6c(E-3) &mdash; E-series work visa (professional employment) &#8211; Research &#9679; Active [&hellip;]","_links":{"self":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa-guides\/294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa-guides"}],"about":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/types\/visa-guides"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/media\/332"}],"wp:attachment":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/media?parent=294"}],"wp:term":[{"taxonomy":"visa_category","embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa_category?post=294"},{"taxonomy":"journey_stage","embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/journey_stage?post=294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}