Client’s Testimonial:
“The North American Immigration law firm was extremely professional during the entire process of my O1-A petition filing from the date of contact till the date of filing. They answered each of my concerns precisely and in a timely manner. They rigorously went through all the documents and prepared well-drafted testimonials for recommenders. I am extremely thankful to the law firm. It was a pleasure working with the law firm. I highly recommend the law firm.”
On December 10th, 2025, we received another O1-A (Individuals with Extraordinary Ability or Achievement) approval for a Research Assistant Professor in the Field of Mechanical Engineering (Approval Notice).
General Field: Mechanical Engineering
Position at the Time of Case Filing: Research Assistant Professor
Country of Origin: India
State of Residence at the Time of Filing: Texas
Approval Notice Date: December 10th, 2025
Processing Time: 20 days (Premium Processing Requested)
Case Summary:
“[Client]’s work promises to have a remarkable impact on the nation’s efforts to solve manufacturing supply chain issues and advance the production of materials for important US sectors.”
This statement is taken from one of the six recommendation letters submitted as part of the O1-A (Individuals with Extraordinary Ability) petition for a research assistant professor from India who holds a Ph.D. and an M.Tech. in mechanical engineering.
Leveraging extensive expertise in the field of mechanical engineering, the client’s specialized research focuses on solid-state additive manufacturing techniques, advanced metallic materials for defense applications, and the development of high-performance alloys for the aerospace and automotive sectors. The client’s work addresses critical national priorities, including supply chain resilience and technological advancement in manufacturing.
To demonstrate the client’s extraordinary ability, our firm strategically presented comprehensive documentation highlighting their exceptional qualifications. We emphasized the client’s impressive publication record of 56 peer-reviewed journal articles (15 first- or co-first-authored), 36 conference abstracts (4 first-authored), and 1 book, published in the most prestigious journals in the field
Our petition showcased the remarkable influence of the client’s research, which has accumulated 1,506 citations, with multiple publications ranking in the top 1% most cited articles. We documented citations from prestigious institutions worldwide, demonstrating sustained international acclaim.
Furthermore, we presented evidence of the client’s standing as a recognized authority, including at least 30 peer reviews for highly distinguished journals and service on multiple editorial boards. Our team also highlighted major federal funding from the Army Research Laboratory, Office of Naval Research, and NASA, demonstrating institutional recognition of the client’s significant contributions.
We are pleased to report that the client’s O-1A petition was approved in just 20 days under premium processing without any Request for Evidence (RFE). It has been an honor to support them throughout this process, and we extend our sincere best wishes for their continued success.
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 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
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