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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) and EB1-B (Outstanding Researcher/Professor).

Our Ten Thousand I-140 Approvals Provide Unprecedented Insight into the USCIS Adjudication Trend
With 10,000 EB-1A, EB-1B and EB-2 NIW approvals, 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 approvals grew from 600 in 2013 to more than 3,000 in 2017.

Approval Statistics For EB1 / NIW Cases Filed By North America Immigration Law Group From 2013 To 2017

Client Testimonials

The best thing to happen to me in my GC process was my friend's recommendation of NAILG. They have been impeccable when it comes to keeping their promised time. They have also been giving me appropriate advice at appropriate times and have prepared a 1i140 packet that I could not have done myself in 100 years. I can't thank them enough.

- K. K., Research Scientist

I heard about this law firm from one of my friends who had high recommendation. Before approaching Chen Immigration Law Associates, I had personally talked to an immigration lawyer whose fee was expensive and the lawyer did not seem much positive regarding my EB2-NIW case. When I first contacted Chen Immigration Law Associates for free EB2-NIW evaluation and heard that my case is eligible for approval or refund, it energized me and made me believe that my case is strong enough too. Though communication was only through email, it was easy and reliable. The timeline set in the contract is always fulfilled. I am really happy that I chose this law firm and I highly recommend it to anyone seeking immigration advice and services. Once again, I am very thankful to the team of Chen Immigration Law Associates for all their effort in making my petition a success.

- O. P.

My EB1B I-140 got approved within 10 business days. I have worked with Chen Immigration Team from North America Immigration Law Group for 4 months before submitting my application. They were extremely thorough, meticulous and prompt with their service. They drafted all the necessary letters (employment verification, recommendation letters and petition letter) within the agreed timeline. They helped me to choose potential recommenders and were always quick to answer any of my questions. They are very professional and definitely know what they are doing. I will definitely recommend Chen Immigration Team to anyone who is planning to apply for Permanent Residency Status in USA.

- B., Scientist

It was a privilege to work with Chen immigration attorneys during my NIW I-140 application. They were really professional and kept the deadlines depicted by the client-attorney agreement. They will answer your questions within a day with the maximum clarity. I would definitely recommend them to anyone looking to apply for a NIW green card. Thanks once again and keep up the good work.

- I. S., Research Scientist

We just wanted to thank Chen Immigration for their help during this process. They were absolutely amazing. They responded to all our questions with such detail and were thorough in their examination of all our supporting documentation. They were quick with their responses and always stuck to the timeline. They provided us amazing templates for all out letters of recommendation and overall were exceptional. Highly competent and would strongly recommend to anybody looking for immigration assistance.

- G. B.

They are the best immigration attorney you can ever find. My NIW petition was recently approved in nearly nine and half months. When I first contacted them, after preliminary evaluation they were confident enough to pursue my case. They plan their work and work their plan absolutely meticulously. I was impressed in every step of the case preparation with their attention to every detail. They really know what they are doing. The best part is, unlike most of the other law firms, they prepare the petition letter and all the recommendation letters themselves. The only thing on your part is preparing the research summary and gathering required documents. I strongly recommend Victoria Chen & Associates ( to anyone and everyone thinking of filing an immigration petition.

- S. D., Technical Specialist


Success Stories: Chinese Postdoctoral Fellow with 149 Citations Files Both NIW and EB1A Petitions to Increase Likelihood of Case Approval

Thanks for doing an excellent job for my EB-1A and NIW I140 application. I could not get such a smoothy approval without your help. I've already recommended you to two of my friends. I am pretty sure that they will get excellent service from you. All my best wishes to your group.

Approved in 428 days

State of Residence: California

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Success Stories: EB-1A Petition Approved in 12 Days for Postdoctoral Research Fellow in Ohio in the Field of Immunology

Happy to see that my case was approved. Thanks a lot for the support and professionalism you showed during the preparation of my case documents. Special thanks to [North America Immigration Law Group], who helped me a lot and clarified all my questions about filing.

Approved in 12 days

State of Residence: Ohio

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Success Stories: EB-1A Petition Approved Despite RFE for Chinese Postdoctoral Research Associate with 101 Citations in the Field of Materials Science

Thanks so much for your efforts in my case. Finally, my case is approved and I appreciate your contribution in my case.

Approved in 98 days

State of Residence: Washington

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Success Stories: EB-1A Petition Approved for Postdoctoral Fellow in Georgia in the Field of Bioengineering

Thank you so much for your help with my case. It was really a wonderful experience and I am very satisfied with your service.

Approved in 184 days

State of Residence: Georgia

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Success Stories: NIW and EB1A Petitions Approved on the Same Day for Teaching Faculty/ Research Affiliate from India in the Field of Earth Sciences

Chen attorneys were extremely professional and knowledgeable regarding immigration procedures; the team remained alert and updated on all changes at the USCIS and communicated relevant information on time. Both of these aspects have helped me manage the stress involved with preparation of two petitions and awaiting the outcome of two cases. When both cases went outside the processing time, the Chen group was remarkable in assisting by raising service requests and email follow ups and communicating reasons for possible delays. I will recommend the exceptional service provided by this team provides and will certainly consider having the team work on the next steps of the process with us. Thank you Ms. Chen. It was a pleasure and I felt supported all through the process (even when the timeline became extremely stressful).

Approved in 317 days

State of Residence: Colorado

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Success Stories: We Helped a Chinese Research Associate in the Field of Analytical Chemistry Obtain EB1A Approval Despite an RFE

Thanks for your message.

Approved in 104 days

State of Residence: Virginia

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Success Stories: EB-1A Petition Approved for Senior Research Associate in Texas in the Field of Molecular Biology with 150 Citations

Thank you.

Approved in 8 days

State of Residence: Texas

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Success Stories: Postdoctoral Scholar-Employee from China in the Field of Behavioral Neuroscience Receives EB-1A Petition Approval (140 Citations)

Thanks for helping with the I-140 filing!

Approved in 10 days

State of Residence: California

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Success Stories: EB-1A Petition Approved for Scientist in New Jersey with 164 Citations in the Field of Genetics

I checked the website and it is approved. Thank you so much for your effort! Your team is very professional!

Approved in 11 days

State of Residence: New Jersey

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Success Stories: PP Upgrade Allowed a Senior Research Scientist with 136 Citations to Secure EB-1A Petition Approval in 42 Days

That's a great news! Thank all in your law firm that have participated in my case over the past 6 months. I had a favorable experience working with your team.

Approved in 42 days

State of Residence: New York

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Success Stories: EB-1A Petition Approved in 6 Days for Postdoctoral Scholar in Virginia in the Field of Civil Engineering (118 Citations)

Thanks! I really appreciate your help with my 140 petition. Your service is very professional and excellent. I was fortunate to pick you as my attorney.

Approved in 6 days

State of Residence: Virginia

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Success Stories: NIW and EB1A Petitions Approved for Research Scientist with 162 Citations in the Field of Chemical Engineering

Hi, I just got message that my EB1A I140 was approved. thank you so much for your help.

Approved in 13 days

State of Residence: Massachusetts

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Success Stories: NIW Petition Approved for Postdoctoral Research Scientist from Turkey in the Field of Atmospheric Physics

Thank you very much for your service.

Approved in 322 days

State of Residence: Maryland

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Success Stories: EB-1A Petition Approved in Under 2 Weeks for Principal Algorithm Researcher in Pennsylvania in the Field of Electrical Engineering

That is great news! Thank you so much for all your help in this process!! By working with your law firm, the whole process became very streamlined and easier to go through. The samples, FAQs and other materials in your client package were extremely helpful while I was assembling my package.

Approved in 13 days

State of Residence: Pennsylvania

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Success Stories: Our Efficient Legal Team Helped a California-based Postdoctoral Scholar in the Field of Biochemistry Obtain EB-1A Petition Approval despite a NOID

Thank you.

Approved in 40 days

State of Residence: California

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