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

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

My EB1B I-140 got approved within 10 business days. I have worked with Chen Immigration Team from North America Immigration Law Group for 4 months before submitting my application. They were extremely thorough, meticulous and prompt with their service. They drafted all the necessary letters (employment verification, recommendation letters and petition letter) within the agreed timeline. They helped me to choose potential recommenders and were always quick to answer any of my questions. They are very professional and definitely know what they are doing. I will definitely recommend Chen Immigration Team to anyone who is planning to apply for Permanent Residency Status in USA.

- B., 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

I highly appreciate the outstanding work and help provided by North America Immigration Law group to me during my I-140 petition. They have very good understanding of the case and even easily understood my research and full profile to make the petition. There response before committed time is really appreciable. I found that the case taken by them is a big assurance that it is going to be approved. My EB1A- I-140 got approved very quickly even the day after the premium processing application was received without any RFE or difficulty.
I highly recommend Chen Immigration Team for green card petitions. Thanks a lot for their big help.

- S. S., Group 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

I would like to thank the Chen Immigration team for getting my I-140 (EB-1B) approved with no RFE. I choose premium processing and the case was approved in 13 days. The team is very professional and helpful in every step on your way to the approval. I had many questions from time to time during the preparation process and they were answered in a timely manner. I have also retained them for I-485 and hope that it will also be approved in a timely manner.

- A. K.

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Success Stories: Only in 8 Days, EB-1A Got Approved for a Teaching Assistant with Premium Processing Request

Thank you so much for your help and your effort!

Approved in 8 days

State of Residence: New Jersey

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Success Stories: An Inspiring Associate Professor from China Secured NIW Petition Approval in the field of Economics, Despite a Long Halt

Thanks for your quality service that helped me to get the approval notice. Thank you!

Approved in 605 days

State of Residence: N/A

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Success Stories: North America Immigration Law Group Supported an Associate Research Scientist from Taiwan to Secure EB-2 NIW Petition Approval in Just 6 Months

Thank you very much. It’s been great working with you.

Approved in 183 days

State of Residence: New York

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Success Stories: Despite an RFE, A Lead Pediatrician from India Secured EB-1A Approval, Thanks to Our Well-organized Legal Strategy

I would like to say that I am thoroughly satisfied with your service. Thank you so much for all your help.

Approved in 673 days

State of Residence: Pennsylvania

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Success Stories: A Postdoctoral Research Fellow from China Secured EB-1A Approval Within 7 Months with Our Team’s Resolute Support

The lawyer really helped me a lot during the petition preparation. I thank NAILG for his/her great expertise in the EB-1A petition. The office is quite professional, their quick responses to all kinds of questions made the communication efficient and productive.

Approved in 213 days

State of Residence: Texas

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Success Stories: Expedited EB-1A Case Got Approval in Just 10 Days for A Principal Research Associate with the Help of PP Service

I have just finished the I-140 procedure, so far it is being made with good caution and knowledge. Thank you for helping with my questions and documentation.

Approved in 10 days

State of Residence: Massachusetts

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Success Stories: A Ph.D. Student from Germany Pursuing Brain and Cognitive Sciences Secured I-140 (NIW) Approval After Presenting a Personalized Petition

Everything went well and I’m glad I went with Chen Immigration Attorneys. I was deliberating doing it all by myself, but I’m glad I didn’t, since this was so much easier, and I felt assured throughout the process that everything was done to maximize my chances of securing approval. Communication was easy through the webtool and the instructional documents were clear. I’m also happy that the attorneys suggested to go with only one independent reference in my particular case, since getting references just adds extra time and is a hassle. All around happy with my experience.

Approved in 268 days

State of Residence: Massachusetts

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Success Stories: A Massachusetts-based Research Fellow Secured EB-1B and EB-2 NIW Petition Approvals Less than 2 Months apart with Our Specialist Help

Thanks very much for all the great service you have offered.

Approved in 419 days

State of Residence: Massachusetts

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Success Stories: A Massachusetts-based Research Fellow Secured EB-1B and EB-2 NIW Petition Approvals Less than 2 Months apart with Our Specialist Help

Thanks very much for all the great service you have offered.

Approved in 236 days

State of Residence: Massachusetts

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Success Stories: An Ingenious Postdoctoral Scholar from Vietnam Secures NIW Petition Approval in the field of Pharmaceutical Sciences, No RFE Issued

Thank you very much for your preparation of my case. I appreciate it!

Approved in 227 days

State of Residence: California

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Success Stories: A Researcher from China Approaches Green Card Victory with EB-1B and EB-2 NIW Petition Approvals (PP Upgrade for EB-1B)

Thank you for your service.

Approved in 218 days

State of Residence: Minnesota

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Success Stories: A Researcher from China Approaches Green Card Victory with EB-1B and EB-2 NIW Petition Approvals (PP Upgrade for EB-1B)

Thank you for your service.

Approved in 7 days

State of Residence: Minnesota

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Success Stories: Our Distinctive Legal Strategy in This NIW Case Helped a Research Assistant Secure Petition Approval in the Field of Chemistry with Just 34 Citations

I really appreciate your work. Thank you.

Approved in 267 days

State of Residence: Ohio

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Success Stories: Our Team Assisted an Assistant Professor to Obtain EB-2 NIW Approval, Without RFE

Thank you very much for preparing my documentation. Your team’s help has been crucial in preparing a successful application. I am overall very happy with the services.

Approved in 245 days

State of Residence: N/A

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Success Stories: California-based Assistant Project Scientist Obtained NIW Approval in the Field of Plant Pathology [5 Publications, 1 Peer-Review Activity]

I am glad to retain Chen Immigration for my EB-2 NIW case. They are expert on employment-based petitions. My case was well prepared and petitioned in a professional manner. I was excited to receive my approval notice within 8-month while everything was slow down due to the pandemic. I highly recommend Chen Immigration for their outstanding expertise. Thanks Chen.

Approved in 234 days

State of Residence: California

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