Client’s Testimonial:
“Chen Immigration was very professional and responsive. They guided me through every step of my NIW petition and made the process smooth.”
On October 30th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Senior Statistical Data Analyst in the Field of Biostatistics (Approval Notice).
General Field: Biostatistics
Position at the Time of Case Filing: Senior Statistical Data Analyst
Country of Origin: China
State of Residence at the Time of Filing: Missouri
Approval Notice Date: October 30th, 2025
Processing Time: 21 months, 15 days
Case Summary:
Drawing on our extensive experience and proven track record of over 32,000 successful cases, our expert team recently secured National Interest Waiver approval for a senior statistical data analyst from China in the field of biostatistics.
The client, who holds an M.S. in biostatistics, came to us with strong credentials but faced the common challenge many specialized researchers encounter: articulating how technical work serves compelling national interests. Our strategic approach transformed this challenge into a compelling petition. The petition was approved after 21 months without the issuance of a Request for Evidence (RFE).
Research with Substantial Merit and National Importance:
In preparing the NIW petition, North America Immigration Law Group (NAILG) emphasized that the client’s research is vital to improving the accuracy, efficiency, and equity of healthcare systems through the development of robust study designs and analytical methods for diverse biomedical data. Her work supports medical researchers by enabling them to conduct statistically sound studies that yield reliable results—ultimately shaping clinical guidelines, public health strategies, and evidence-based interventions.
The client received three recommendation letters. A strong recommendation letter from an expert has highlighted the real-world impact of the client’s work:
“Given [The Client]’s consistent track record of accomplishments, demonstrated by [The Client]’s extensive experience at esteemed institutions and ongoing research achievements, there is no doubt that [The Client] is prominent in the field of biostatistics. As such, [The Client]’s research efforts must continue unabated.”
NAILG showcased the client’s academic and professional excellence through an impressive record of scholarly achievements and research impact, including:
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11 peer-reviewed journal articles (1 first-authored), published in top-tier journals.
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A total of 62 citations, demonstrating broad recognition and use of her findings by independent researchers worldwide.
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Research supported by major funding agencies, including the National Heart, Lung, and Blood Institute and the National Institutes of Health (NIH).
The Result
This clean approval reflects our comprehensive initial submission, which anticipated potential concerns and proactively addressed them with authoritative evidence and strategic positioning. For researchers in biostatistics, data science, and healthcare fields, this case demonstrates that specialized technical work can meet the demanding NIW standard when properly connected to national priorities and supported by objective evidence. It has been an honor to support this exceptional researcher, and we extend our sincere best wishes for continued success in advancing healthcare research in the United States.
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 Ten Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend
With more than 58,000 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 over 58,000 in 2025.
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