North America Immigration Law Group (Chen Immigration Law Associates - WeGreened®) 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 47,000 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 47,000 in 2023. See what our clients have to say about our service.

Approval Rate For EB1 / NIW Cases Filed By North America Immigration Law Group From 2020 To 2023

Client Testimonials

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

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

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'm very happy with all the work and advice Chen Immigration Team have put into my NIW application. The responses were always timely, the letters drafted were polite, well-structured and timely. When I got my RFE, I was worried, but with the help of the attorneys working with me, the answer to the RFE lead to approval.
Not only do the members of the team work extremely hard and with highest professionalism, they also show that they believe in their clients, are able to emphasize all the achievements better than I ever could, and they genuinely care.
Thank you so very much!
I cannot be happier with everything you've done for me!

- M, Postpoc

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.

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: In Just 5 Days, a Postdoctoral Scholar in the Field of Civil and Environmental Engineering Secured NIW Approval, Special Thanks to Funding Support from 5 Major Sources

Thank you and congratulations to you as well. I've seen firsthand the high standard of your professional work, and I'm eager to write a strong review for you on your platform!

Approved in 5 days

State of Residence: California

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Success Stories: A Visiting Scientist Achieves EB1A Case Approval With the Help of Our Assistance in Just 6 days

Sure, I am so glad to receive this news and surely would like to share this success. Thank you all!

Approved in 6 days

State of Residence: Maryland

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Success Stories: EB-1A Petition Approved for Indian Research Scientist in the Field of Physics in Just A Week

Thank you for sharing the wonderful news about the approval of our EB1A application! We are very happy and grateful for the professionalism you demonstrated throughout the case preparation. This approval would not have been possible without your expertise and dedication.

Approved in 7 days

State of Residence: Massachusetts

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Success Stories: NIW Approval Secured In 6 Days For Chinese Senior Analyst Working in the Field of Mathematical Modeling

Thank you for the notice! I can't believe it got approved so quickly!

Approved in 6 days

State of Residence: Texas

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Success Stories: Thanks to Our Team’s Efforts, an Egyptian Silicon Architect in the Field of Advanced Computing Gets NIW Approval in Only 3 Days

Thank you so much for everything. It has been my pleasure working with you. You are truly and genuinely very professional and very good at what you do. You made this process much easier for me. I have friends who are applying for NIW through the law firm Google works with but their process and progress is much slower and difficult than working with you. I left a 5-star review on both your firm's website and Google Maps.

Approved in 3 days

State of Residence: California

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Success Stories: In Only 6 Days, an Egyptian Technical Specialist Engineer in the Field of Mechanical Engineering Secures NIW Approval

Thank you! This is great news!

Approved in 6 days

State of Residence: Washington

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Success Stories: EB-1A Petition Approved for Indian Principal Scientist in the Field of Cancer Epidemiology in Only 6 Days

It has been my pleasure to work with y'all as well.

Approved in 6 days

State of Residence: Georgia

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Success Stories: In Only A Week, Mexican Postdoctoral Research Associate in the Field of Toxicology Secures NIW Approval

Approved in 7 days

State of Residence: Illinois

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Success Stories: In 6 Days, A Nigerian Ph.D. Candidate in the Field of Chemistry Secured NIW Approval

Thank you so much! This is such a great news!!!

Approved in 6 days

State of Residence: Nigeria

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Success Stories: In Just 2 Days, a Mexican Research Assistant in the Field of Neuroscience Secures NIW Approval

Approved in 2 days

State of Residence: Mexico

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Success Stories: EB-1B Petition Approved After Only A Week for Director of Emerging Technologies in the Field of Artificial Intelligence

I am so glad to see the approval. I can't thank you enough for all your support in this petition.

Approved in 7 days

State of Residence: India

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Success Stories: Scientist from Iran Working in the Biomedical Engineering Field Gets I-140 NIW Approval

Thank you for your efforts. I truly appreciate.

Approved in 114 days

State of Residence: Iran

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Success Stories: An Associate Scientist from India Achieves EB-1A Approval in the Field of Biotechnology, Thanks to Our Exceptional Support and PP Service

I truly appreciate the time and effort you invested in ensuring that every step of the process went smoothly. Your professionalism and clear communication gave me peace of mind, and I am incredibly grateful for your guidance. 

Approved in 22 days

State of Residence: California

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Success Stories: EB-1A Approval Secured For A Postdoctoral Fellow in Just 12 Days with the Help of Our Team and Premium Processing

Thank you so much for your support and assistance! I truly appreciate all the efforts you’ve put into my case.

Approved in 12 days

State of Residence: Georgia

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Success Stories: Engineer from China Secures I-140 NIW in just 47 Days With the Help of Premium Processing

Fantastic news! It has been a pleasure working with the WeGreened team as well!

Approved in 47 days

State of Residence: California

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