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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 14,000 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 / O1A Cases Filed By North America Immigration Law Group From 2014 To 2018

Client Testimonials

I'm so excited that my I-140 got approved within such a short time! I do think the North America Immigration Law Group did a great job. They are so patient to answer lots of my questions. The recommendation letters and petition letter are well prepared. That saved lots of my time! I will definitely recommend to my friends, as well as other people who prepare to apply for green card!

- X. L., Postdoctoral Fellow

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

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 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 will definitely recommend North America Immigration Law Group to all my friends who is seeking for immigration services. I am very, very impressed by their excellent service. The entire process is very professional and they have been responsive and responsible. They will do their best in every little detail to make you case stronger. Their service and attitude towards every case define their high reputation.

- B. H., Postdoctoral Research Fellow

I am Associate Professor in Mechanical Engineering. I would like to extend my deepest gratitude to Chen immigration group for their great help on my NIW-I-140 case preparation and filing. Undoubtedly without your help, it was not possible to get my application approved. Thank you for such an amazing support. Their professional guidance, patience, and prompt responses make the whole process efficient and successful. I highly recommend Chen immigration group!

- A. A. D. S., Associate professor at Engineering

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Success Stories: EB-1A Approved in 12 Days for a Postdoctoral Associate in the field of Chemical Engineering based in Tennessee Thanks to Premium Processing

I am writing to excitingly inform you that my I140 EB1A + PP already got approved! You and your team ' intensive help truly means a lot. Very nice working with Wegreened to finally win this hard battle for I140.

Approved in 12 days

State of Residence: Tennessee

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Success Stories: EB-1B Petition Approved in Only 7 Days for Indian Chemical Engineering Senior Scientist based in California

Thank you very much for the notification about my EB1B approval. I was not expecting a decision this soon! It is a huge relief for me and this approval was essential for personal and professional reasons. I want to sincerely thank your entire team very much for your expertise, knowledge and hard work that made this case successful

Approved in 7 days

State of Residence: California

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Success Stories: Cameroonian Research Scientist in the Field of Mechanical Engineering Received NIW Approval in Just over 6 Months

Thanks for the response. And again thank you for the meticulous work your firm put in my case.

Approved in 189 days

State of Residence: Oregon

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Success Stories: Indian Research Scientist in the Field of Cancer Biology & Therapy Received EB-1A Approval Despite RFE

I am good in science and research but not good in the ABC’s of green card I-140 process. North America Immigration Law Group (Wegreened.com) walked me through this process in a professional way and I truly appreciate their support: without which I might not have got this..!!

Approved in 105 days

State of Residence: Florida

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Success Stories: Petrophysical Engineer from St. Vincent and the Grenadines Received NIW Approval in Less than 8 Months Thanks to Personalized Petition

Thank you for your excellent support throughout this process. I truly appreciate your teams responsiveness and patience as I learned the application process. I will recommend your team to my colleagues. My advice to anyone who is thinking about working with your team is to trust your teams judgement and advice. I think your team is always attuned to the current trends in the EB1 and EB2 application and approval process and knows what is needed for an approval. 5 stars…second to none!!!!!

Approved in 218 days

State of Residence: Texas

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Success Stories: Indian Assistant Professor in the field of Molecular Biology Obtains EB-1B Petition Approval in Just 7 Days with Premium Processing (PP)

I appreciate your firm’s expertise and hard work in getting the approval of my I-140 petition. It is amazing to get it done within a few days of filing without any RFE. It is really great work. Surely I will recommend my friends and colleagues to use your firm to get their Green card and O1 visas. Only five stars are not enough for your hard work. Your firm is experienced, excellent and the best. Thank you very much for all your help. 

Approved in 7 days

State of Residence: New York

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Success Stories: South Korean Research Specialist in the field of Dermatology with Approved NIW will File an I-485 to Obtain a Green Card

I am excited to share the news that my approval notice for I-140 has arrived in mail. Thank you for putting together a strong case on my behalf!

Approved in 194 days

State of Residence: Massachusetts

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Success Stories: PhD Candidate and Researcher from Ethiopia in the field of Epidemiology Received NIW Approval by Presenting a Customized Petition

I am so pleased to tell you that my I 140 petitions has been approved. I just received the letter today before few hours. I would like to take this opportunity to thank you very much for all what you did to bring my application to this stage. I am really grateful for all your effort and attention in preparing and submitting my application. I have no words to express my appreciation to all what you did starting from reviewing my CV until submitting my application.

Approved in 192 days

State of Residence: Florida

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Success Stories: EB-1A Approval in Just 11 Days for a Chinese Research Scientist in the field of Cellular and Molecular Biology in the State of Pennsylvania

I am very happy that my case has finally been approved. Thank you very much for your help with my case! I am so grateful for the excellent work you did for my case. Please feel free to share our success experience. Your work is amazing, and I will definitely recommend you to my friends

Approved in 11 days

State of Residence: Pennsylvania

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Success Stories: EB-1B Approval in Only 3 Days for A Chinese Senior Vice President, Chief Technology Officer, and Co-Founder based in California

Thanks for all the hard work during the process. I am extremely satisfied with the service received during my applications.

Approved in 3 days

State of Residence: California

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Success Stories: Engineering Lecturer from Egypt Obtained NIW Approval in 6 Months and 10 Days

Thank you so much for your outstanding service. I appreciate your professionalism very much

Approved in 191 days

State of Residence: Ohio

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Success Stories: An Indian Principal Scientist in the Field of Organic Chemistry Approaches Green Card Success with an Approved EB1-B Petition (PP Requested, Processing Time: 13 Days)

Thank you for the update. I appreciate all your efforts to get my case approved.

Approved in 13 days

State of Residence: North Carolina

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Success Stories: NIW Approval for Japanese Postdoctoral Fellow in the Field of Cardiovascular Medicine based in California

I am so happy with your service and will definitely recommend you to my friends.

Approved in 194 days

State of Residence: California

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Success Stories: Employer-Sponsored EB-1B Petition Approved in Just 9 Days for Chinese Assistant Professor in the Field of Mechanical Engineering

Thanks a lot for all the help and letting me know that my I-140 has been approved.

Approved in 9 days

State of Residence: Minnesota

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Success Stories: Lecturer Outside the US Obtained NIW Approval and is Now Ready for Immigrant Visa Processing

Thank you so much for the good news of my NIW approval. I really appreciate your care and endeavor. Working with Chen Team was a very good experience. Your team was highly professional and knowledgeable as well as systematic and organized throughout my case preparation. All questions were promptly replied in details and with clear explanation.

Approved in 396 days

State of Residence: Outside US

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