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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 11,000 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

Thank you to the North American Immigration Law Group/Chen Immigration and Attorneys for their unwavering support and help in helping my secure my I-140 approval under EB1A and also under NIW. Their service was professional and timely. They answered my million and one questions with patience and worked with me on every stage of the process. They helped draft the letters and were open to edits and comments from me. What I also liked was that they were open to receiving suggestions from me to help strengthen my case especially when we were responding to our RFE.
Thank you to this team for working diligently and patiently with me to help build my case and get the EB1A petition approved.
I highly recommend them.

- S. V., Assistant Professor

WeGreened has been a pleasure to work with. They were so thorough with everything. With their very knowledgeable and able support and timely help in every respect I could finally get my I-140 approved in EB-1A category.
I would therefore highly recommend them to all who wants to file a permanent residency.

- R. C., Senior Development Scientist

The Chen Immigration Law group was recommended to me by a fellow postdoc at a networking event. He claimed that if they say that my credentials are good enough to file a case for a green card then it is almost certain success. He was absolutely right.
After evaluating my credentials we decided to apply under the EB2-NIW category. Overall, it was a pleasure working with them. All my questions were answered promptly and to the point. Although the communication was only through emails, it was very effective. They made very clear to me what documents are necessary and how to obtain them and they drafted amazing reference letters and the I-140 petition letter. The price was very reasonable (the best I could find) and they always keep their timeline.
I am really grateful for their service and I highly recommend them. Thank you so much!

- P. F., Post-doctoral Scientist

Three of my friends who already got green card in EB1 category with the help of Chen immigration recommended me to contact this firm. They gave me free evaluation and approve and refund policy for my EB1B. I don’t know about other firm but I can say that I had a very good experience with Chen immigration. My attorney guided me on every single step and never got irritated even if asked same question several times. I got the answer of all my questions within 24 hours of time. As they promised, they wrote very strong letter of recommendation and drafted my petition within timeline. I was impressed the way they presented my case in the petition and as a results my case got approved in 7 days. I would strongly recommend Chen immigration to anyone trying to get green card under EB1 category. As I heard from my friends and I also experienced that they are the best with impressive team of attorneys. Thank you so much Chen immigration. It would not have been possible without your help. You are doing really good job. Keep it up !
Highly Recommended !!!!

- Dr. S. R., Assistant Professor

A real pleasure to work with Chen Immigration. I'm very satisfied with the process and, of course, with the result!
It was a persistent, systematic everyday job of their team for several months, tons of e-mails, all replied professionally. No need for a single phone call! No nerves, no hash, no mess, just persistent professional work that resulted in my approval.
Yes they ask for many supporting documents and evidence but the result is a very strong case approved without any RFE. That's extremely important to save time and nerves.

- A. B.

My EB1a petition got approved last week without any RFE. WeGreened worked with me very very closely at every step right from the beginning. I really appreciate the draft of recommendation letters you developed for me. Team Victoria is really great, and highly professional in services and timely responses. This is such an awesome experience working with you. Thank you !!

- S. S., System Analyst

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Success Stories: We Filed a Customized EB-1B Petition for a Professor in the Field of Cardiovascular Tissue Engineering and Secured Case Approval

Thank you very much! I really appreciate your firm's promptness and professionalism.

Approved in 40 days

State of Residence: California

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Success Stories: Research Assistant in New York in the Field of Computer Science Secures NIW Approval Thanks to Personalized Petition

Thank you for your excellent service.

Approved in 175 days

State of Residence: New York

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Success Stories: NIW Petition Approved in under 6 Months for Resident Physician in Tennessee in the Field of Internal Medicine

I received an email notification this morning that my I-140 was approved. Thank you for the hard work and thanks for preparing a solid petition!

Approved in 175 days

State of Residence: Tennessee

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Success Stories: University-Sponsored EB-1B Petition Approved for Assistant Professor in Michigan in the Field of Social Work

It's been a pleasure working with you. You are your team are truly amazing, professional, and very thorough, and always responded on time.

Approved in 6 days

State of Residence: Michigan

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Success Stories: Unique EB-1A Petition Approved In 11 Days for Resident Physician from India in the Field of Medicine

Thank you so much for your work on my case.

Approved in 18 days

State of Residence: Massachusetts

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Success Stories: Personalized NIW Petition Helped an Associate Faculty Member with 18 Citations in the Field of Environmental Science Move Closer to Green Card Success

I got I-797 indicating my I140 application has been approved. Thank you very much for your support!

Approved in 91 days

State of Residence: Texas

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Success Stories: NIW and EB1A Petitions Approved on the Same Day for Assistant Project Scientist from China in the Field of Biochemistry (142 citations)

I will strongly recommend your law firm to my family, colleagues and friends! Thank you again for your effort and support!!!

Approved in 339 days

State of Residence: North Carolina

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Success Stories: Customized EB-1A Petition Helped an Information Technology Expert in Wisconsin in the Field of Information Technology Secure Case Approval

I cannot get approval without your support and paper work. You made big difference in my career and life. Your service is very excellent.

Approved in 63 days

State of Residence: Wisconsin

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Success Stories: Customized EB-1A Petition Approved in 8 Days for Assistant Professor in Mississippi in the Field of Pharmaceutical Sciences

Thank you very very much for the excellent work you do, the meticulousness approaches to the details and all fantastic work you did to make my petition strong and get it approved in a week. You are the master of this.

Approved in 8 days

State of Residence: Mississippi

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Success Stories: Research Fellow in Massachusetts in the Field of Immunology Receives EB-1A Approval Just 9 Days after Filing

Thank you so much for this wonderful news!

Approved in 9 days

State of Residence: Massachusetts

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Success Stories: Civil Engineer outside the US Secures NIW Approval and is Now Ready for IV Processing

Yeessssss!!!!!! GREAT NEWS, thank you so much!!!!!

Approved in 319 days

State of Residence: Outside the US

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Success Stories: Personalized NIW Petition Approved for Doctoral Candidate from Iran in the Field of Applied Physics

Thank you so much. this is great news, a big weight has been lifted off my shoulders.

Approved in 274 days

State of Residence: Texas

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Success Stories: NIW Petition Approved in under 2 Months for Postdoctoral Research Associate from Nepal in the Field of Organic Chemistry

Thank you for your professional service to prepare the excellent case on my behalf. Your assistance is highly appreciated.

Approved in 58 days

State of Residence: Texas

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Success Stories: Immunology Research Fellow from India Successfully Attained EB1A Approval Thanks to Customized Petition

Thank you so much for all your help!! Really glad to hear the great news and your service has been incredible.

Approved in 10 days

State of Residence: Massachusetts

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Success Stories: EB-1A Petition Approved for Postdoctoral Researcher in Texas in the Field of Immunology Thanks to Our Personalized Presentation

Congratulations to us! Thank you for all the help!

Approved in 106 days

State of Residence: Texas

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