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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 more than 16,000 EB-1A, EB-1B, EB-2 NIW and O-1 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 over 3,500 petitions in 2019.

Approval Statistics For EB1 / NIW / O1A Cases Filed By North America Immigration Law Group From 2014 To 2018

Client Testimonials

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

The fact I like most about the Chen Immigration and Attorneys is their communication systems and responses. Throughout the whole application process until approval, I had lots of questions in different phases regarding case file preparation, EAD cards, travel with AP, service request etc. What I needed to do was to leave a message in the case management system and got detailed and satisfactory responses in a timely manner.
Their services ranging from the free evaluation at the first day to case preparation and drafting recommendation and petition letters have exhibited high professionalism and standard. I would suggest anyone to retain them for his/her I140 and I485 case preparation.

- S. A., Postdoctoral Researcher

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

We just wanted to thank Chen Immigration for their help during this process. They were absolutely amazing. They responded to all our questions with such detail and were thorough in their examination of all our supporting documentation. They were quick with their responses and always stuck to the timeline. They provided us amazing templates for all out letters of recommendation and overall were exceptional. Highly competent and would strongly recommend to anybody looking for immigration assistance.

- G. B.

It has been a pleasure working with the Wegreened Team. I always received prompt, courteous and professional responses from them throughout the EB1A filing process. They guided me in developing the material for the reference letters, drafted the letters in a timely manner and prepared a strong case which eventually lead to success. I am really grateful to them for all their help.

- V. J., Senior Engineer

I highly appreciate the support and professionalism of Chen Immigration Law firm. Although it took me a long time to gather all my documents but attorneys from WeGreened.com were never late in replying to any of my concerns. They were extremely meticulous in analyzing my documents and made sure all my supporting exhibits were appropriate. In only 30-days my EB2/NIW was approved and I'm sure it was due to their experience handling of my case. I'll certainly recommend others to consider hiring Chen Immigration Law Assoc. for any kind of immigration purposes. One of my friends is already in touch with them after hearing my success story. I sincerely appreciate their time and effort in preparing my case.

- A. R., Postdoctoral Scholar

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Success Stories: Ph.D. Student in the Field of Power Engineering Received NIW Petition Approval, Despite RFE

I want to express my sincere appreciation to your team for all the helps. You have been truly supporting me during such stressful RFE period and I am very glad to work with such professional law firm.

Approved in 325 days

State of Residence: Illinois

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Success Stories: NIW Petition Approved for a Data Scientist/Engineer in the Field of Biomedical Data Science with 14 Citations without RFE

Good news, my case is approved! Thank you so much.

Approved in 167 days

State of Residence: New York

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Success Stories: Employer-Petitioned EB-1B Approved in Just 1 Week for Researcher in the Field of Computer Science

Thank you so much for all your help. I am very glad, and appreciate all the help you provided me.

Approved in 7 days

State of Residence: North Carolina

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Success Stories: Employer-Petitioned EB-1B Approved for Senior Scientist in the Field of Organic and Organometallic Chemistry

I sincerely appreciate all the help and guidance you provided through this process. Thank you so much! Feel free to share my story and I am sure you can help much more people like me. I've already recommended your office to a few of my friends.

Approved in 151 days

State of Residence: Missouri

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Success Stories: Comprehensive Petition Led to NIW Approval for Research Scientist in California in the Field of Plant Pathology

Approved in 205 days

State of Residence: California

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Success Stories: NIW Approval Became Easy for a Visiting Scholar in Illinois with North America Immigration Law Group (NAILG)

I just want to share good news with you . My I-140 just got approved today. Thank you very much for your help.

Approved in 183 days

State of Residence: Illinois

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Success Stories: Comprehensive Petition Led to NIW Approval for Data Scientist in the Field of Mechanical Engineering Without RFE

Thank you so much for your help.

Approved in 152 days

State of Residence: Tennessee

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Success Stories: With Our Help, an Iranian Ph.D. Student in the Field of Mechanical Engineering Received an NIW Petition Approval in Less than 6 Months

Thank you so much for your help and I will refer my friends for sure to your office.

Approved in 162 days

State of Residence: Wisconsin

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Success Stories: We Helped a Postdoctoral Associate Secure NIW Approval in the Field of Biomedical Engineering, Despite RFE

We are so glad to hear that my I-140 has been approved. Thank you for the great news! It has been a pleasure working with your team and I really appreciate your professional and dedicated work.

Approved in 428 days

State of Residence: North Carolina

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Success Stories: NIW Petition Approved for Iranian Ph.D. Student in the Field of Mechanical Engineering

I appreciate my attorney efforts for preparing a strong case for my NIW. Chen firm has a professional team with a long time experience which is substantial in this process.

Approved in 493 days

State of Residence: Alabama

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Success Stories: EB-1A Petition Approved in 3 Months and 2 Days for Research Fellow in Nevada in the Field of Microbiology, Despite RFE

The feeling is mutual, it was indeed a pleasure to work with y'all and no words can express what I am feeling right now.

Approved in 92 days

State of Residence: Nevada

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Success Stories: NIW Petition Approved for Assistant Professor from Nepal in the Field of Computational Science with 34 Citations

Thank you so much for your help during this application process.

Approved in 246 days

State of Residence: Mississippi

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Success Stories: NIW Petition Approved in Less than 7 Months for Iranian Ph.D. Candidate in the Field of Chemistry

Great! Thank you very much for your help. I am highly satisfied with the service and have already recommended you to multiple friends.

Approved in 206 days

State of Residence: Massachusetts

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Success Stories: Ph.D. Student in the Field of Neuroscience Received NIW Petition Approval Now Awaits I-485 Approval

Thank you very much!

Approved in 164 days

State of Residence: Arizona

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Success Stories: Research and Teaching Assistant in the Field of Particle Physics Received NIW Petition Approval in Less than 6 Months

This is indeed the best Christmas gift I have ever got in my life. I cannot thank you more.

Approved in 162 days

State of Residence: Illinois

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