EB-1A vs EB-1B: what's the difference between these green card categories?
TL;DR: EB-1A (extraordinary ability) lets you self-petition with no employer or job offer required. EB-1B (outstanding professor/researcher) requires a permanent job offer from a US employer — usually a university or research institution — but like EB-1A it skips PERM labor certification. The two share the same visa preference category and priority-date queue, but very different eligibility bars.
The claim
Both are top-tier employment-based green card categories that avoid the years-long PERM labor certification process, but they serve different people: EB-1A is for people with sustained acclaim in their field regardless of who employs them; EB-1B is specifically for academics with an offer for a permanent teaching or research role.
The evidence
USCIS's EB-1 program page confirms EB-1B requires at least 3 years of teaching or research experience in the academic field and no labor certification, but does require an employer-filed I-140 with a permanent job offer. Multiple immigration law sources confirm EB-1A is the only one of the two that can be self-petitioned.
Comparison table
| Factor | EB-1A | EB-1B |
|---|---|---|
| Self-petition allowed | Yes | No — employer must file |
| Job offer required | No | Yes, permanent academic/research position |
| PERM labor cert required | No | No |
| Minimum experience | None specified, evidence-based | 3+ years teaching/research |
| Evidence standard | Meet 3 of 10 extraordinary-ability criteria (or one major award) | Meet 2 of 6 outstanding researcher/professor criteria + job offer |
| Typical applicant | Any field: business, arts, science, athletics | Academic researchers and professors specifically |
Step by step
- Identify your track: do you have a job offer for a permanent academic/research role (EB-1B), or a broader track record of acclaim without one (EB-1A)?
- Gather evidence against the relevant criteria list — 3 of 10 for EB-1A, 2 of 6 for EB-1B.
- EB-1A: file Form I-140 yourself (or with an attorney), no employer needed.
- EB-1B: have your employer file Form I-140 with the permanent job offer letter.
- Consider premium processing ($2,805, ~15 business days) for faster I-140 adjudication either way.
FAQ
Which has a higher approval rate? Approval rates fluctuate by year and adjudicator, but both categories have faced increased RFE scrutiny; EB-1B's narrower, employer-verified criteria can make evidence packaging more predictable.
Can I switch from EB-1B to EB-1A? Yes, if you later qualify for EB-1A's broader extraordinary-ability standard, you can self-petition independently of any employer.
Does EB-1B need PERM? No — like EB-1A, EB-1B is exempt from PERM labor certification, which is one of its biggest advantages over EB-2/EB-3.
How long does I-140 processing take for either category? Regular processing generally runs several months; premium processing guarantees action within 15 business days for an additional fee.
By Pinal Dave Last updated: 2026-07-25