Success Story: From RFE to EB-1A Approval for A Postdoctoral Researcher in Clinical Research under Premium Processing

Posted by wegreened on February 23, 2026 in EB1 Green Card, General Medicine (Public Health, Clinical Research, Infectious Diseases, Vaccines, Virology, Epidemiology, Clinical Psychology, Psychiatry)

Client’s Testimonial:

“Thank you so much for the wonderful news!!!! I am so so happy and relieved that the I-140 EB-1A has finally been approved. It has been a long journey, and I sincerely appreciate all the hard work and support from your team throughout this process!!!"

On January 21^st, 2026, we received another EB-1A (Alien of Extraordinary Ability) approval for a Postdoctoral Research Fellow in the Field of Clinical Research (Approval Notice).

General Field: Clinical Research

Position at the Time of Case Filing: Postdoctoral Research Fellow

Country of Origin: Taiwan

State of Residence at the Time of Filing: Massachusetts

Approval Notice Date: January 21^st, 2026

Processing Time: 4 months, 5 days (Premium Processing Requested)

Case Summary:

Drawing on our extensive experience and a proven track record of over 32,000 successful cases, our expert team successfully secured EB-1A approval for an expert in the field of clinical research from Taiwan, whose groundbreaking work in epidemiology, bioinformatics, and data science has been recognized.

The client holds an M.D. and is currently serving as a postdoctoral research fellow at a leading medical institution. The proposed endeavor focuses on advancing clinical research methodologies to address critical national priorities in disease prevention and healthcare equity.

We demonstrated the client's extraordinary qualifications through compelling evidence: 21 peer-reviewed journal articles (6 first-authored), 52 abstracts (27 first-authored), and 1 first-authored preprint published in elite journals. The client's research has been cited 177 times by researchers in at least 16 countries, with at least 7 publications ranking in the top 0.1% to top 10% most cited articles. Additionally, the client has conducted at least 18 peer reviews for prestigious journals.

The petition included 4 independent advisory opinions from international experts who validated the transformative nature of the contributions. One recommender specializing in machine learning applications in biomedical areas noted:

"There is thus no doubt that [Client] shall continue to produce additional valuable research, both driving progress in the field and bringing immense benefits to national and international concerns."

Our team prepared a comprehensive response emphasizing the real-world impact of the research for RFE. With our assistance, the EB-1A petition was approved in over 4 months under premium processing. It has been an honor to support this remarkable researcher. We extend our sincere best wishes for continued success in advancing critical research that transforms lives.

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North America Immigration Law Group (Chen Immigration Law Associates) is a U.S. immigration law firm dedicated to representing corporations, research institutions, and individuals from all 50 U.S. states regarding I-140 immigration petitions. We specialize in employment-based immigration petition and have a proven record of high success rate for the categories of: EB2-NIW (National Interest Waiver), EB1-A (Alien of Extraordinary Ability), EB1-B (Outstanding Researcher/Professor) and O-1 (Alien of Extraordinary Ability).

Our Sixty-four Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend

With nearly 64,000 EB-1A, EB-1B, EB-2 NIW and O-1 cases approved, we have first hand information on the manner in which the USCIS adjudicate I-140 cases. As the USCIS has constantly changed its adjudication standards for the EB-1A, EB-1B and EB-2 NIW categories, our firm's huge database of successful cases gives you unprecedented insight to USCIS adjudication trends. We carefully analyze the data for all of our cases and apply the results of our analyses toward giving our clients up-to-date advice and adapting our strategies such that we remain on par with the ever-shifting landscape of immigration law in the U.S. With us, you will always have access to important updates, strategies, and information so that you can make the most informed decisions about your case.

We Have Helped Tens of Thousands of Clients with Credentials and Backgrounds Similar to Yours

With our exceedingly large number of successful petitions, no matter what credentials you have, no matter your background and field of expertise, no matter your visa status or nationality, chances are we have helped hundreds or even thousands of clients just like you. Our clients are usually impressed with how well we understand their research and work. Our insight and understanding stems from the fact that we have handled many cases with elements similar to yours already, and this helps us devise the best strategies for each individual petition.

Vast Majority of Clients Came to Us Because of Referrals

For years, our firm has attracted new clients based solely on word of mouth, recommendations, and the positive collaboration experiences shared with them by their friends and family. We take pride in our reputation and work hard to ensure that we provide a green card application experience that our clients are happy to share with their friends and colleagues. That is how our cumulative total of approved cases grew from 600 in 2013 to nearly 64,000 in 2025.

Track Record of Success EB-1 and NIW Approvals

(2012.01 - 2025.12)

Category	Approval or Refund^®		Approval or Refiling^TM
	Approval or Refund^®
Category	Approved Sum	Success Rate	Approved Sum	Success Rate
NIW	42,047	99%	5,258	97%
EB1A	9,218	91%	4,534	86%
EB1B	1,488	98%	448	93%
Total	52,753	98%	10,240	92%