A Request for Evidence (RFE) represents one of the most demanding stages of adjudication in the employment-based immigration process. When USCIS issues an RFE, the petition enters a heightened level of review in which the adjudicating officer seeks additional clarification, stronger evidentiary support, or a more persuasive explanation connecting the applicant's accomplishments to the applicable immigration standard. Successfully navigating this stage requires a record that remains organized, internally consistent, and directly responsive to the concerns raised during adjudication.

The following success stories highlight 19 approvals secured after RFE review, which include four EB-1A petitions, thirteen NIW petitions, and two O-1A petitions. Several cases involved prior denials, refiled petitions after withdrawal, multiple service center transfers between the Nebraska Service Center and the Texas Service Center, applicants proceeding without supporting letters, and approvals obtained through the exceptional ability pathway. Together, they demonstrate that favorable outcomes remain achievable when the evidentiary record remains coherent, responsive, and aligned with the applicable legal standard.

Cases With Inherent Challenges

Prior Adverse Decisions and Refiled Petitions

Several approvals involved petitions with prior adverse procedural history, including withdrawn petitions, denied petitions, or related filings under different immigrant classifications. These cases required the successful petition to independently establish eligibility while addressing issues raised during earlier adjudication.

Multiple Service Center Transfers

Several petitions were transferred between the Nebraska Service Center and the Texas Service Center before final adjudication. Such procedural movement can introduce additional complexity because the evidentiary record must remain persuasive and internally consistent throughout review by different adjudicators.

Limited or No Supporting Letters

Multiple approvals proceeded without recommendation letters, testimonial letters, or both. In these cases, the petition necessarily relied more heavily on objective evidence such as publication record, citation impact, scholarly contributions, and professional experience to establish eligibility under the applicable standard.

EB-1A Approvals After RFE (4)

#1: EB-1A in Biomedical Sciences

This EB-1A approval involved a Postdoctoral Fellow, born in China and residing in the United States, who proposes to work as a Biomedical Scientist. Filed in Biomedical Sciences, the petition received an RFE from Officer XM1209 before approval was ultimately secured.

The applicant held a STEM Ph.D. and presented a strong scholarly profile consisting of 16 publications and 346 citations, with peer-reviewed work published as recently as 2023. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#2: EB-1A in Biomedical Sciences

This EB-1A approval involved a Senior Research Fellow, born in India and residing in the United States, who proposes to become a Biomedical Scientist. Filed in Biomedical Sciences, the petition received an RFE from Officer XM2011 before approval was ultimately secured.

The applicant held a STEM Ph.D. and demonstrated a substantial scholarly record consisting of 18 publications and 637 citations, with peer-reviewed work published as recently as 2020. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#3: EB-1A in Artificial Intelligence

This EB-1A approval involved an AIML Machine Learning Engineer, Data and ML Innovation in industry, born in China and residing in the United States, who proposes to continue in the same employment. Filed in Artificial Intelligence, the petition received an RFE from the Texas Service Center before approval was ultimately achieved.

The applicant held a STEM Ph.D. and presented a strong scholarly profile consisting of 27 publications and 591 citations, with peer-reviewed work published as recently as 2025. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The adjudication involved transfers from the Nebraska Service Center to the Texas Service Center and then back to the Nebraska Service Center with a premium processing upgrade.

Notable: This approval is notable for securing EB-1A approval after RFE review while undergoing multiple service center transfers.

#4: EB-1A in Advanced Engineering Materials

This EB-1A approval involved a Postdoctoral Fellow, born in China and residing in the United States, who proposes to continue in the same role. Filed in Advanced Engineering Materials, the applicant's first EB-1A petition received an RFE from Officer XM1317 and was withdrawn before a refiled petition was ultimately approved.

The applicant held a STEM Ph.D. and demonstrated an extensive scholarly record consisting of 21 publications and 1,003 citations, with peer-reviewed work published as recently as 2025. The filing was supported by 5 recommendation letters and proceeded without testimonial letters.

The adjudication involved transfers from the Nebraska Service Center to the Texas Service Center and then back to the Nebraska Service Center with a premium processing upgrade.

Notable: This approval is notable for securing EB-1A approval through a refiled petition after the first EB-1A filing received an RFE and was withdrawn, while also undergoing multiple service center transfers.

NIW Approvals After RFE (13)

#5: NIW in Medical Robotic Systems

This NIW approval involved an applicant born in Egypt and residing in the United States, who proposes to work as a Researcher. Filed in Medical Robotic Systems, the applicant initially filed an NIW petition, followed by an EB-1A petition. The EB-1A received an RFE from the Nebraska Service Center and was subsequently denied, while the NIW was ultimately approved.

The applicant held a STEM Ph.D. and demonstrated a scholarly record consisting of 15 publications and 170 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Nebraska Service Center with a premium processing upgrade.

Notable: This approval is notable for securing NIW approval while a related EB-1A petition received an RFE and was denied.

#6: NIW in Computational Biology

This NIW approval involved a Postdoctoral Researcher, born in Turkey and residing in the United States, who proposes to continue in the same employment. Filed in Computational Biology, the applicant initially filed an NIW petition, followed by an EB-1A petition. The EB-1A received an RFE from Officer XM2415 and was denied, while the NIW was ultimately approved.

The applicant held a STEM Ph.D. and presented a scholarly profile consisting of 16 publications and 65 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 2 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

Notable: This approval is notable for securing NIW approval while a related EB-1A petition received an RFE and was denied.

#7: NIW in Advanced and Networked Sensing and Signature Management

This NIW approval involved a Senior Engineer Product Applications in industry, born in China and residing in the United States, who proposes to continue in the same role. Filed in Advanced and Networked Sensing and Signature Management, the petition received an RFE from Officer XM1986 before approval was ultimately secured.

The applicant held a STEM Ph.D. and demonstrated a scholarly record consisting of 15 publications and 109 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 2 recommendation letters and 1 testimonial letter.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#8: NIW in Epidemiology

This NIW approval involved a Data Analyst, born in Taiwan and residing in the United States, who proposes to continue in the same employment. Filed in Epidemiology, the petition received an RFE from Officer EX0303 before approval was ultimately secured.

The applicant held a STEM master’s degree and presented a scholarly profile consisting of 5 publications and 18 citations, with peer-reviewed work published as recently as 2025. The filing was supported by 2 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Nebraska Service Center with upfront premium processing.

#9: NIW in Artificial Intelligence and Computer Science

This NIW approval involved a Ph.D. student, born in China and residing in the United States, who proposes to work as a Research Scientist. Filed in Artificial Intelligence and Computer Science, the petition received an RFE from Officer XM1988 before approval was ultimately secured.

The applicant did not hold an advanced degree and qualified through the exceptional ability pathway. The applicant presented a scholarly profile consisting of 9 publications and 143 citations, with peer-reviewed work published as recently as 2025. The filing proceeded without any supporting letters.

The adjudication involved transfers from the Nebraska Service Center to the Texas Service Center and then back to the Nebraska Service Center with a premium processing upgrade.

Notable: This approval is notable for securing NIW approval through the exceptional ability pathway without recommendation or testimonial letters while undergoing multiple service center transfers.

#10: NIW in Computer Science

This NIW approval involved a Ph.D. student, born in Iran and residing in the United States, who proposes to work as a Postdoctoral Researcher in Human-Computer Interaction. Filed in Computer Science, the petition received an RFE from Officer EX5083 before approval was ultimately achieved.

The applicant did not hold an advanced degree and qualified through the exceptional ability pathway and the bachelor's degree plus five years of progressive experience pathway. The applicant demonstrated a scholarly record consisting of 6 publications and 29 citations, with peer-reviewed work published as recently as 2024. The filing proceeded without any supporting letters.

The adjudication involved transfers from the Texas Service Center to the Nebraska Service Center and then back to the Texas Service Center with a premium processing upgrade.

Notable: This approval is notable for securing NIW approval through the exceptional ability pathway and the bachelor's degree plus five years of progressive experience pathway without recommendation or testimonial letters while also undergoing multiple service center transfers.

#11: NIW in Dynamic Analysis

This NIW approval involved a Ph.D. student, born in Iran and residing in the United States, who proposes to work as a Postdoc. Filed in Dynamic Analysis, the petition received an RFE from Officer XM1910 before approval was ultimately secured.

The applicant held a STEM master's degree and presented a scholarly profile consisting of 5 publications and 31 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#12: NIW in Genetics

This NIW approval involved a Postdoctoral Research Associate, born in South Korea and residing in the United States, who proposes to continue in the same employment. Filed in Genetics, the petition received an RFE from Officer XM2532 before approval was ultimately secured.

The applicant held a STEM Ph.D. and demonstrated a strong scholarly profile consisting of 7 publications and 265 citations, with peer-reviewed work published as recently as 2025. The filing proceeded without any supporting letters.

The adjudication involved transfers from the Nebraska Service Center to the Texas Service Center and then back to the Nebraska Service Center with upfront premium processing.

Notable: This approval is notable for securing NIW approval after RFE review without recommendation or testimonial letters while undergoing multiple service center transfers.

#13: NIW in Developmental Biology

This NIW approval involved an Account Manager in industry, born in Egypt and residing in the United States, who proposes to continue in the same role. Filed in Developmental Biology, the petition received an RFE from Officer XM2164 before approval was ultimately secured.

The applicant held a STEM Ph.D. and presented a scholarly profile consisting of 6 publications and 59 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#14: NIW in Criminology

This NIW approval involved a Ph.D. student, born in South Korea and residing in the United States, who proposes to work as an Assistant Professor. Filed in Criminology, the petition received an RFE from Officer XM2164 before approval was ultimately secured.

The applicant held a master's degree and demonstrated a scholarly record consisting of 11 publications and 18 citations, with peer-reviewed work published as recently as 2025. The filing was supported by 3 recommendation letters and 4 testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

#15: NIW in Systems Security

This NIW approval involved a Ph.D. student, born in Iran and residing in the United States, who proposes to work as a Postdoctoral Researcher. Filed in Systems Security, the petition received an RFE from Officer EX0850 before approval was ultimately secured.

The applicant held a STEM master's degree and presented a scholarly profile consisting of 4 publications and 29 citations, with peer-reviewed work published as recently as 2025. The filing was supported by 1 recommendation letter and 3 testimonial letters.

The petition was adjudicated through the Nebraska Service Center with upfront premium processing.

#16: NIW in Computer Science

This NIW approval involved a Ph.D. student, born in Iran and residing in the United States, who proposes to work as a Postdoctoral Researcher. Filed in Computer Science, the petition received an RFE from Officer EX5083 before approval was ultimately achieved.

The applicant held a STEM master's degree and demonstrated a scholarly record consisting of 3 publications and 29 citations, with peer-reviewed work published as recently as 2023. The filing was supported by 2 recommendation letters and proceeded without testimonial letters.

The adjudication involved transfers from the Texas Service Center to the Nebraska Service Center and then back to the Texas Service Center with a premium processing upgrade.

Notable: This approval is notable for securing NIW approval after RFE review while undergoing multiple service center transfers.

#17: NIW in Cancer Epidemiology

This NIW approval involved a Ph.D. student, born in Mexico and residing in the United States, who proposes to work as an Epidemiologist. Filed in Cancer Epidemiology, the petition received an RFE from Officer XM2149 before approval was ultimately secured.

The applicant held an M.D. degree and demonstrated a scholarly profile consisting of 15 publications and 50 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 2 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Texas Service Center with a premium processing upgrade.

O-1A Approvals After RFE (2)

#18: O-1A in Biomedical Engineering

This O-1A approval involved a Lead Research Scientist in industry, born in Israel and residing in Canada, who proposes to continue in the same employment. Filed in Biomedical Engineering, the petition received an RFE from the Vermont Service Center before approval was ultimately secured.

The applicant held an M.D. degree and presented a scholarly profile consisting of 13 publications and 63 citations, with peer-reviewed work published as recently as 2024. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Vermont Service Center with upfront premium processing.

Notable: This approval is notable for securing O-1A approval after RFE review in a non-STEM field while the applicant was residing outside the United States.

#19: O-1A in Renewable Energy Engineering

This O-1A approval involved a Senior Manager of R&D in Renewable Energy Systems in industry, born in Iran and residing in the United States, who proposes to continue in the same employment. Filed in Renewable Energy Engineering, the petition received an RFE from the Vermont Service Center before approval was ultimately secured.

The applicant held a STEM Ph.D. and demonstrated an extensive scholarly record consisting of 19 publications and 1,196 citations, with peer-reviewed work published as recently as 2023. The filing was supported by 4 recommendation letters and proceeded without testimonial letters.

The petition was adjudicated through the Vermont Service Center with upfront premium processing.