Client’s Testimonial:
“The entire team provided consistent and excellent service, care, expertise and work on behalf of our O1and O3 applications. Please keep up the great work as you have assisted us tremendously during this trying period of our lives. Many and much thanks for the excellent and superlative work!!!! Congrats to you too for another successful mission to be added to the long list of accomplishments by you and the North American Immigration Law Group. Best wishes.”
On March 12th, 2025, we received another O1-A (Individuals with Extraordinary Ability or Achievement) approval for a Senior R&D Scientist in the Field of Biomedical Sciences (Approval Notice).
General Field: Biomedical Sciences
Position at the Time of Case Filing: Senior R&D Scientist
Country of Origin: Singapore
State of Residence at the Time of Filing: Florida
Approval Notice Date: March 12th, 2025
Processing Time: 16 days (Premium Processing Requested)
Case Summary:
The O1-A visa benefits aliens of extraordinary ability in the sciences, arts, education, business, or athletics, those foreign nationals should at least have:
- Sustained national/international claim;
- Their achievement must be recognized in the field through extensive documentation;
- Current/previous employment in a critical or essential capacity for organizations or establishments that have a distinguished reputation.
Our client, after completing his Ph.D. in biomedical sciences, is currently employed as a senior r&d scientist, working in the field of biomedical sciences. He approached us to file his O1-A (Individuals with Extraordinary Ability or Achievement) petition on his behalf.
His research addresses some of our nation’s most pressing issues in the early detection of cancer and other diseases and the elimination of nucleic acid extraction from medical diagnostic tests. His strong background in molecular biology and chemistry has allowed his research to be particularly original, with applications in the development of novel complex disease-detecting technologies.
He is particularly well-known for his research that has received notable funding from the National Institutes of Health (NIH) and resulted in the discovery of factors responsible for PP7 coat protein binding to its translational RNA operator. The importance of our client’s background and accomplishments in his area of expertise is discussed further in the four letters of support from fellow experts in the field. Out of those, one excerpt is stated below:
“I believe that [client] has proven himself to be a highly motivated and particularly skilled researcher. His earlier training and his extensive work since then have him an unusual and valuable skill set. His projects continue to solve critical issues the field, demonstrating his ongoing worth within the field of biomedical sciences.”
Consequently, to make a strong case in his favor, we included the following details in his petition packet:
- His work has resulted in 10 peer-reviewed scientific articles (6 first-authored) and 2 first-authored patent application publications.
- His publications have been cited 675 times according to Google Scholar.
- He has completed at least 50 peer reviews to date.
Thus, his impressive background, strong record of past achievements, recognition of expertise by journals seeking his services to review manuscripts, and unique knowledge relevant to his current and future work indicate that he qualifies as an alien of extraordinary ability. Finally, he acquired his O1-A visa approval in just 16 days (thanks to NAILG’s experts). We wish him a flourishing life ahead and feel glad to have been a part of his fantastic journey.
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 Hundreds and 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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