EB1A vs EB1B for Researchers
EB1A extraordinary ability and EB1B outstanding professor or researcher are both first-preference employment-based immigrant classifications, but they have substantially different legal requirements.
Researchers, professors, scientists and postdoctoral scholars may sometimes qualify for both classifications. The stronger option depends on the applicant’s evidence, employment situation and immigration strategy.
Key Difference: Self-Petition Versus Employer Sponsorship
EB1A permits self-petitioning. A qualifying researcher does not need a U.S. employer to file the I-140 petition.
EB1B requires a qualifying U.S. employer to file the petition.
Job Offer Requirement
EB1A does not require a permanent job offer.
EB1B requires qualifying employment. Professors generally need a tenured or tenure-track teaching position, while researchers generally need a qualifying permanent research position.
Review the EB1B permanent research position requirement.
Experience Requirement
EB1A does not impose a specific three-year teaching or research experience requirement.
EB1B requires at least three years of qualifying teaching or research experience in the academic field.
Review the EB1B three-year experience rule.
EB1A Evidentiary Structure
An EB1A applicant generally must establish either a qualifying one-time major achievement or at least three of the ten regulatory criteria.
USCIS then evaluates the complete record to determine whether the applicant has sustained national or international acclaim and is among the small percentage who have risen to the top of the field.
EB1B Evidentiary Structure
An EB1B professor or researcher generally must submit evidence satisfying at least two of six regulatory categories.
The complete record must establish that the beneficiary is internationally recognized as outstanding in the specific academic area.
Publications
Publications can support both classifications.
EB1A includes authorship of scholarly articles as one of its criteria. EB1B includes authorship of scholarly books or articles in scholarly journals with international circulation.
Publication quantity alone does not guarantee eligibility under either classification.
Citations
Neither classification establishes a fixed citation minimum.
Citations can help demonstrate research influence, original contributions and professional recognition.
Review EB1A citation evidence and EB1B citation requirements.
Peer Review
Completed journal, conference or grant reviewing may support the judging criterion under both classifications.
Invitations alone are generally weaker than evidence showing actual participation.
Original Contributions
EB1A requires original scientific, scholarly, artistic, athletic or business-related contributions of major significance.
EB1B refers to original scientific or scholarly research contributions to the academic field.
The wording is not identical, although under EB1B USCIS still evaluates the complete record to determine whether the beneficiary is internationally recognized as outstanding.
Employer Requirements
EB1A does not require a petitioning employer.
EB1B requires a qualifying employer. Private research employers must also satisfy additional requirements concerning research staffing and documented accomplishments.
Review EB1B employer requirements.
PERM Labor Certification
Neither EB1A nor EB1B requires PERM labor certification.
Postdoctoral Researchers
EB1A may be structurally easier for some postdocs because it does not require a permanent research position.
EB1B can still be appropriate when a postdoc has or receives an offer for a qualifying permanent research position and satisfies the other requirements.
EB1A for postdocs and EB1B for postdocs.
Professors
A tenure-track professor may have a natural EB1B structure if the university is willing to sponsor the petition.
A professor with a strong enough record may also consider EB1A because it permits self-petitioning.
Can a Researcher File Both?
Potentially, yes. The classifications have different legal requirements, and qualification for one does not automatically establish qualification for the other.
Which Classification Is Better?
There is no universal answer.
EB1A may be attractive when:
- the researcher does not have a permanent employer-sponsored position;
- the employer will not sponsor;
- the applicant wants control of the petition; or
- the evidence strongly supports extraordinary ability.
EB1B may be attractive when:
- a qualifying university or research employer will sponsor;
- the position satisfies the permanent or tenure-track requirement;
- the applicant has at least three years of qualifying experience; and
- the evidence strongly demonstrates international recognition as outstanding.
Review EB1A vs NIW for researchers.
Primary Legal Sources
- USCIS Policy Manual, Extraordinary Ability
- USCIS Policy Manual, Outstanding Professors and Researchers
- 8 C.F.R. § 204.5
Contact The Messersmith Law Firm to request an EB1 evaluation.
This page provides general immigration information and is not legal advice.