During COVID-19 pandemic, our firm continues "business as usual" under the current circumstances.
Please rest assured that the pandemic generally does not affect our capacity to handle your case. Currently, we are still preparing cases efficiently and effectively following the timeline set in our retainer agreements.

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 16,000 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

It was an incredible experience working with Chen lawyers. I got my EB1A approved in 10 days. They were so perfect in their work and and took care of every little detail necessary. Very dependable and very friendly to work with. They were very prompt in answering every of my questions; and trust me they have been very kind to have responded to silliest of my doubts and concerns. I strongly recommend them to all my friends. Needless to mention, I am going to work with them for I-485 as well.

- T. K., Research 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

Many thanks to Chen immigration & Attorneys for their great help, and I had a very good experience working with this professional attorney team, they prepared high quality recommendation letters and petition letters, provide guide in detail and response questions in time, I am lucky to have such a team to help me get the approval. I strongly recommended them to all who are seeking green card.

- Y. H., Postdoctoral Research Associate

The efforts put forth by Chen Immigration and Attorneys has been instrumental in obtaining the approvals for my O1-A and EB-1B (I-140) petitions. The approvals came in 4 and 8 days respectively after request for premium processing. However, this did not happen overnight and neither did I want them to happen overnight. Although my credentials were in place for both the petitions, most of the time was spent on preparing the materials and revising them over and over again. I was very busy in my job and barely had time to go over revisions in a continuous basis. However, the team kept at it, always responding to my questions and carefully going over every single piece of text and supporting evidence. Being trained as a scientist during my PhD, I would say, it was more like writing an academic paper with collaborators - everybody invested time and energy into the process and in the end the paper got accepted. This is a win for us all!
It took around 5 months to prepare the materials mostly because of my intermittent involvements but it was worth the wait. That being said, the logical constructs and inferences laid down by my team of lawyers to construct the reasoning as to why I may be suitable candidate in the area of O1-A and EB-1B criteria is outstanding - there simply was not much room to refute the arguments. Very well done! I will always keep you in mind.

- P. D., Senior Research Scientist

I'd like to thank Chen Immigration and attorneys for the great job they did on my I-140 application for NIW. They put together a compelling petition letter with appropriate exhibitions which resulted in my I-140 approval only in 72 days at Nebraska Service Center (the average wait time at this center is more than 10 months now). The team at this firm are experts and experienced. They meticulously prepare all the required documents and effectively communicate with the client. They deliver on time & with the highest quality. I have recommended them to my friends who would like to apply for NIW or EB1A. Chen group knows what they are doing and they are the best, go with them!

- H. C., Postdoctoral Scholar

My EB1A was approved four days after USCIS received my documents. I'm very impressed by the professionalism and enthusiasm of NAmILG during preparation and filing of my case. The prompt approval of my case wouldn't be possible without the expertise and hard working of the attorneys of NAmILG.
One of the advantages of NAmILG I want to point out is they drafted all of the required letters, which saved huge amount of time for me. I'll definitely recommend to my friends who are looking for immigration attorneys.

- T. W., Postdoc

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Success Stories: EB-1A Petition Approved for a Senior Design Engineer Architect from China in the Field of Mechatronic Engineering

Thank you so much for all your kind help in my case!

Approved in 415 days

State of Residence: N/A

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Success Stories: A Postdoctoral Research Fellow from Iran Secured NIW Approval in the Field of Mechanical Engineering Now Awaits I-485 Decision

Thanks for all the help for my application.

Approved in 319 days

State of Residence: Pennsylvania

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Success Stories: A Postdoctoral Associate from China Specializing in Geotechnical Engineering Obtained NIW Petition Approval in 7 Months with the Help of Our Unique Petition Packet

The team is very professional. I appreciate their great efforts in drafting all the documents and meticulously putting together the thick application package. It’s a relatively long process (it took about a year from the day I started the process to the day my case was approved) for the NIW application, but I always felt confident with the help of the great team. Thank you very much. Looking forward to working with you for the EB1 application.

Approved in 218 days

State of Residence: Indiana

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Success Stories: NIW Petition Approved for a Visiting Research Assistant Professor in the Field of Electrical Engineering with Our Customized Petition Package, without RFE

Thanks for your help!

Approved in 321 days

State of Residence: Pennsylvania

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Success Stories: NIW Petition Filed for a Chinese Research Associate in the Field of Energy System Optimization Receives Approval from USCIS

Glad to hear the approval! I appreciate the great work.

Approved in 292 days

State of Residence: Maryland

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Success Stories: NIW Petition Approved for Structural Engineer from Iran with 19 Citations in the Field of Structural Engineering with the Help of Our Special Petition Packet

I would like to thank you again for helping us with my I-140 case.

Approved in 185 days

State of Residence: N/A

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Success Stories: NSC Approves NIW Petition of Research Scientist-Instructor from Brazil in the Field of Molecular Biology in Less than 6 Months

Approved in 162 days

State of Residence: Michigan

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Success Stories: Texas Service Center Approves NIW Petition for a Senior Petroleum Engineer in the Field of Petroleum Engineering

Thank you very much for your support preparing and filing the I140 application. Your diligence and quality of work were outstanding.

Approved in 311 days

State of Residence: Texas

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Success Stories: After waiting 10 Months, a Scientist from Taiwan Secured NIW Approval in the Field of Biomedical Engineering

Thank you so much for helping me with the whole process. Much appreciated!

Approved in 305 days

State of Residence: New York

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Success Stories: Employer-Petitioned EB-1B Approved in Just 4 Days for Applied Scientist in the Field of Computational Modeling with Premium Processing

Great to hear that my EB1B case got approval! Thanks very much!

Approved in 4 days

State of Residence: Washington

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Success Stories: Despite Long Wait, a Resident Physician Secured NIW approval in the FIeld of Radiology, Now Awaits I-485 Decision

Thank you for your endless support, help, and professionalism.

Approved in 304 days

State of Residence: New York

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Success Stories: Based on Matter of Dhanasar, an NIW Petition Was Approved for a Postdoctoral Associate from Vietnam without RFE

Thank you so much. It’s been great working with your firm. You made my application much more simple!!!

Approved in 286 days

State of Residence: N/A

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Success Stories: We Helped a Research Associate From Nepal to Secure NIW Approval in 6 Months and File I-485

Dear Attorneys and everyone working in the background, we are so happy today to see our I-140 approved. We are so thankful to your team for making it happen with your professional expertise. Thank you so much.

Approved in 191 days

State of Residence: Ohio

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Success Stories: After waiting 15 Months, a Postdoctoral Research Fellow from Iran Secured NIW Approval in the Field of Clinical Medicine

Thanks for helping me with my application.

Approved in 456 days

State of Residence: Maryland

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Success Stories: A Ph.D. Student from Iran Secured NIW and I-485 Approval in the Field of Mechanical Engineering with Our Customized Petition Packet

I wanted to thank you again for your help and guidance during the process.

Approved in 160 days

State of Residence: California

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