What is the difference between EB-1B and EB-1A?

EB-1A (Extraordinary Ability) has a higher standard — meeting 3 of 10 criteria — but permits self-petitioning without employer sponsorship. EB-1B (Outstanding Professor/Researcher) has a comparatively lower bar — meeting 2 of 6 criteria — but requires employer sponsorship (university or research institution) and is limited to the academic research field. If you qualify for both, filing concurrently is recommended since EB-1A provides greater flexibility by not being tied to an employer.

Does EB-1B require employer sponsorship?

Yes. EB-1B does not permit self-petitioning — the employer must serve as the petitioner for the I-140. Qualifying employers include: universities or institutions of higher education, nonprofit research organizations affiliated with universities, and private companies that employ at least 3 full-time researchers and have a documented track record of research achievements. The employer's HR or international talent department typically initiates the filing process.

How is the 3-year experience calculated?

The applicant must have at least 3 years of research or teaching experience in the relevant academic field. Research assistantship (RA) or teaching assistantship (TA) experience during a doctoral program may count toward the 3 years, provided the work involved independent research or teaching responsibilities. Postdoctoral research experience also qualifies. The 3 years need not be with the same employer or in the same country. Applicants who have completed a PhD and have 1-2 years of postdoctoral experience typically satisfy this requirement with ease.

Should I choose EB-1B or NIW?

Both EB-1B and NIW are popular green card pathways for academics. EB-1B: first-preference category (faster visa availability), requires employer sponsorship, requires 3+ years of experience, must meet 2 of 6 criteria. NIW: second-preference category (possible backlog), no employer sponsorship (self-petition), no minimum experience requirement. If your employer is willing to sponsor and you meet the EB-1B criteria, EB-1B offers faster priority dates. If your employer is unwilling to participate or you value flexibility, NIW is the better choice. Both may be filed simultaneously.

Is Premium Processing available for EB-1B?

Yes. EB-1B I-140 petitions are eligible for Premium Processing ($2,965, 15 business day response). This significantly reduces wait times. If an RFE is issued, the 15-day clock restarts after the response is submitted. Premium Processing is recommended for academic professionals who need to stabilize their immigration status quickly.

Can a private company file EB-1B?

Yes, but additional requirements apply. The private company must have a research department or division that employs at least 3 full-time researchers, and the company must have a documented record of research achievement (such as publications, patents, or research projects). Large technology firms, pharmaceutical companies, and R&D-intensive enterprises typically meet this requirement. The key is demonstrating that the company engages in systematic research activity, not solely commercial operations.

What is the EB-1B approval rate?

According to USCIS data, the EB-1B approval rate is generally higher than EB-1A, at approximately 65%-75%. This is primarily because the EB-1B criteria are more clearly defined (2 of 6) and applicants typically have extensive academic backgrounds as professors and researchers. Cases with strong employer support and thorough evidence achieve higher approval rates. The RFE rate is approximately 20%-30%, with most RFEs focusing on the "major significance" assessment of original contributions and the calculation of 3-year experience.

How many recommendation letters for EB-1B?

There is no statutory requirement for a specific number, but 5-8 high-quality recommendation letters are recommended. At least 2-3 should come from independent recommenders — field experts who do not know the applicant personally and are aware of the work only through academic publications. Letters should specifically address how the applicant's research satisfies the EB-1B criteria, particularly "original contributions" and "scholarly achievements." The academic reputation and international recognition of the recommenders also significantly impact the case.

The Peng Law

EB-1B杰出教授/研究人员

EB-1B Outstanding Professor/Researcher

EB-1B是美国职业移民第一优先类别中的"杰出教授或研究人员"（Outstanding Professor or Researcher）分类，面向在特定学术领域获得国际认可的教授和研究人员。

2–3 months证据准备

6–12 months常规审批

15 business days加急处理

Within 87 daysRFE回复

Overview

概述

EB-1B是美国职业移民第一优先类别中的"杰出教授或研究人员"（Outstanding Professor or Researcher）分类，面向在特定学术领域获得国际认可的教授和研究人员。EB-1B需要雇主担保，雇主必须是大学或高等教育机构，或者是雇用至少3名全职研究人员的私营企业研究部门。申请人需满足6项标准中的至少2项，且须具有3年以上的研究或教学经验。EB-1B无需PERM劳工证，排期通常比EB-2快。

Eligibility

6项标准（满足至少2项）

① 重大奖项 — 因杰出成就获得重大国际或国家级奖项或荣誉

② 学术协会 — 加入要求杰出成就方可入会的学术协会（由专家评审）

③ 专业刊物报道 — 他人在专业出版物中撰写的关于申请人工作的文章

④ 评审经历 — 担任他人学术作品的评审（如期刊审稿、基金评审、论文答辩委员会）

⑤ 原创贡献 — 在学术领域做出具有重大意义的原创科学或学术贡献

⑥ 学术著作 — 在国际发行的专业期刊上发表学术书籍或文章

Application Process

申请流程