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 32,000 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.

Please see our success stories at https://www.wegreened.com/blog/

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 approved cases grew from 600 in 2013 to over 3,500 in 2019. See what our clients have to say about our service.

Approval Rate For EB1 / NIW / O1A Cases Filed By North America Immigration Law Group From 2015 To 2019

Client Testimonials

My I-140 (NIW) was approved this week!
I was fortunate to come across Chen immigration when I started looking into my options for green card. I quickly realized they are extremely professional and would handle my case at a personal level. Indeed, over the last 1 year they have performed beyond my expectations.
Chen immigration team gave me a free evaluation after assessing my portfolio. Their timing for my case has been impeccable at every step. The lawyers have worked with me as a team. Communication with the whole firm has just been outstanding. I would recommend Chen Immigration extremely highly to all my friends and anyone who is in my shoes and looking into the process for Green card.

- M. R., Physician

I had a great experience working with Chen Immigration Law Group. I applied for EB1A premium processing and the case was approved within 2 weeks without any RFE.
I was impressed with the quality of petition letter and the reference letters drafted by their team. Although my field is highly technical, the attorneys seemed highly knowledgeable and were able to present my research in a manner which was easy to understand, impressive and yet not 'over-selling'.
They went over my research/citations meticulously and were able to catch mistakes which honestly I would have missed if I was preparing my own case. They were also very prompt with replying to any questions I had during the process.
In short, I would strongly recommend them to all who want to get through the green card process without stress.

- P. J., Postdoctoral Researcher

It was a long and tough journey to prepare the EB-1A I-140. However, with the professional assistance and prompt feedback from the NAIL firm, this process has become much easier. They always stick to the deadlines that have been promised (preparing reference letter in 10 days, petition letter in 10 days). Thank you Chen associates for your enormous help, which helped me get my case approved one day after USCIS received my Form I-140. I will absolutely recommend you to every of my friends who will be applying for the green card in the future.

- J. L., Postdoctoral Fellow

I have to say the team at Chen Immigration Law Associates are very professional and responsive. My I-140 NIW EB-2 was approved recently and I truly appreciate all the patience and efforts that their team did for my case. As a result of this satisfactory experience, I am planning to continue working with Chen Immigration group for my I-485 case. Before applying for NIW, I searched many other lawyers and this firm was the best among them. Good luck everyone!

- A. S., Teaching/Research Assistant

My I-140 petition under NIW category got approved. I have a phd in mechanical engineering and was a postdoctoral fellow at the time of submitting my petition. I would like to thank Chen Immigration Team in drafting the petition and recommendation letters. I am impressed by their professionalism, their willingness to respond to any question in a timely manner and their dedication in emphasizing every aspect of my work and research. I would not be able to draft such an assuring petition letter myself. I am so grateful to have Chen Immigration Team as my attorney. I highly recommend Chen immigration law group. Thank you so much.

- V. V.

When i looked at all the reviews for the immigration firm, Chen immigration caught my attention for two reason, effective clear communication and their experience to approve otherwise difficult cases. After the initial free evaluation by their experienced attorneys they presented me with step by step instructions and options. I took a week to understand and signed the contract with them. My only concern at that time was not seeing the firm in person as everything is online, However that concern was gone as i saw their work ethics. They are super professional and respect the timelines and deadlines. they meticulously prepare all the documents, which is really important for such cases. I had a wonderful experience with them. I had already recommended two of my friends to hire them. I hired them for both I-140 and I-485. My I-140 was filed with PP and I received the approval in 8 days.

- L. S., Postdoctoral Fellow

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Success Stories: NAILG Gets NIW Approval for an Indian Assistant Professor in Computer Science Without RFE

Thank you very much for helping us in our I-140 preparation as the case has been approved by USCIS.

Approved in 509 days

State of Residence: Kentucky

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Success Stories: A Postdoctoral Scholar from China Gets EB1-A Approval in 36 Days Only with Premium Processing Upgrade and Our Expert Guidance

Wegreened did an impressive service and amazing quality for preparing my material and supporting my applications during the whole procedure of I-140 application. I will highly appreciate it and will recommend Wegreened.

Approved in 36 days

State of Residence: Illinois

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Success Stories: Thanks to PP, An Indian Fellow in Cardiology Gets EB1-A Approval in Just 15 Days, with Our Team's Efforts

I have no words to thank you all enough for this enormous support and guidance without which this will not be possible. I sincerely appreciate all your help.

Approved in 15 days

State of Residence: New York

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Success Stories: National Interest Waiver (NIW) Approved for a Ph.D. Candidate from Lebanon Without RFE Issuance

North America Immigration Law group has been nothing short of exceptional throughout this process. Their expertise, responsiveness, and professionalism allowed for a smooth NIW application process.

Approved in 309 days

State of Residence: Michigan

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Success Stories: A Postdoctoral Fellow from India Working in Cancer Biology Gets EB1-A Approval with Our Help, Premium Processing Requested

Thank you for all the efforts and for working together for my EB1A approval

Approved in 147 days

State of Residence: Maryland

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Success Stories: A Tenure-track Assistant Professor in Chemical Engineering from India Gets NIW Approval with Our Expert Service

It was amazing working with Chen Associates for the NIW and EB1 applications. The lawyers at the firm were very detailed, efficient and swift in their work. You can see the effort and professionalism they put for developing the petition and recommendation letters. If I have to choose again, I will choose them without any reservation.

Approved in 418 days

State of Residence: California

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Success Stories: Our Team of Experts Help Win an EB1-B Approval for an Assistant Professor in Fluid Mechanics Hailing from China

Thank you very much for all the help

Approved in 137 days

State of Residence: Massachusetts

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Success Stories: Thanks to Premium Processing, an Indian Research Fellow in the Field of Molecular Biology gets EB1-A Approval in just 13 days

Thank You so much for making this happen.

Approved in 13 days

State of Residence: Maryland

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Success Stories: A Research Investigator in Medicinal Chemistry from China Gets EB1-A Approval in a Little Over a Month, Thanks to Premium Processing

Thank you for your great work on my case.

Approved in 33 days

State of Residence: Michigan

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Success Stories: A Postdoctoral Research Associate in Agricultural Science from India Gets Both EB1-A and NIW Approvals with Help from Our Experts at NAILG

Thanks very much for your help and support in getting my EB1-A I-140 approved. I have given you a five-star review and it was a pleasure working with you on the I-140 application. I am very happy and super relieved now.

Approved in 149 days

State of Residence: Washington

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Success Stories: A Postdoctoral Research Associate in Agricultural Science from India Gets Both EB1-A and NIW Approvals with Help from Our Experts at NAILG

Thanks very much for your help and support in getting my EB1-A I-140 approved. I have given you a five-star review and it was a pleasure working with you on the I-140 application. I am very happy and super relieved now.

Approved in 35 days

State of Residence: Washington

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Success Stories: We Helped a Postdoctoral Researcher from China in the Field of Electrical Engineering Achieve NIW Approval, Now Awaits EB-1A Approval

Thank you so much for your help! It is so glad to hear my NIW getting approved.

Approved in 299 days

State of Residence: Texas

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Success Stories: Thanks to Our Experts, a Postdoctoral Researcher from Nepal in Biochemistry Gets NIW Approval Despite RFE

I truly appreciate your help in this filing process. 

Approved in 279 days

State of Residence: Maryland

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Success Stories: Thanks to Our Experts, a Professor in Veterinary Pathology from Egypt Gets NIW Approval in Just Over 3 Months

I’d like to express my gratitude towards all what you did during my successful immigration process petition, to all your team and for everything they did, thanks so much!

Approved in 100 days

State of Residence: N/A

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Success Stories: Our Expert Team Helped a Chinese Postdoctoral Scholar in Organic Chemistry Get NIW Approval Without RFE

It's been great to work with you on the process. I will refer you to my friends in need of immigration service.

Approved in 305 days

State of Residence: California

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