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

When i looked at all the reviews for the immigration firm, Chen immigration caught my attention for two reason, effective clear communication and their experience to approve otherwise difficult cases. After the initial free evaluation by their experienced attorneys they presented me with step by step instructions and options. I took a week to understand and signed the contract with them. My only concern at that time was not seeing the firm in person as everything is online, However that concern was gone as i saw their work ethics. They are super professional and respect the timelines and deadlines. they meticulously prepare all the documents, which is really important for such cases. I had a wonderful experience with them. I had already recommended two of my friends to hire them. I hired them for both I-140 and I-485. My I-140 was filed with PP and I received the approval in 8 days.

- L. S., Postdoctoral Fellow

I would like to thank Chen Associates for their great help to get the approval for my I-140 petition. I had very pleasant experince working with them and I am highly satisfied with their work.They are very professional and have many experiences on preparing the documents for the immigrant petition. They know about the strength of your case and I receive the I-140 approval notice (NIW) just after 3 months. I also retained them for the I-485 service. I highly recommend your firm to scientists and research scholars. This is one of the best choices in my life.

- N. F., PhD

A real pleasure to work with Chen Immigration. I'm very satisfied with the process and, of course, with the result!
It was a persistent, systematic everyday job of their team for several months, tons of e-mails, all replied professionally. No need for a single phone call! No nerves, no hash, no mess, just persistent professional work that resulted in my approval.
Yes they ask for many supporting documents and evidence but the result is a very strong case approved without any RFE. That's extremely important to save time and nerves.

- A. B.

I decided to choose North America Immigration Law Group based on some positive feedback and experiences that some of my friends had with. Working with them was great. They are very supportive and professional and they are well familiar with the rules and process. Everything was delivered on-time exactly as they promised. My application was approved in less than 60 days
I highly recommend them to anyone who needs their service, specially for NIW category. I already have referred some of my friends to Chen Immigration Law Services and they are also very happy and satisfied with their service.

- M. M., Postdoc

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 worked with this firm for my I-140 EB2-NIW application. They delivered everything as promised. Preparing documents for this application is a cumbersome work but WeGreened makes it really straightforward and simple. All I had to do was to write a research summary and contact my references for recommendation letters. Even for these steps they provided some samples and templates. Their messaging platform is great! Although I never talked to any of the attorneys on the phone, all my questions were responded within less than 24 hours on the messaging platform.

- B. M., RF Computational Engineer

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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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