북미 이민법 그룹(첸 이민 법률 회사)은 미국 50개 주에서 기업, 연구 기관 및 개인의 I-140 이민 청원을 대리합니다. 본사는 취업 이민을 전문으로 하며, 이하 분야에서 높은 성공률을 기록하고 있습니다: EB2-NIW (고학력자 독립 이민), EB1-A (특수 능력 보유자) and EB1-B (우수 연구자/교수).

수천 건의 I-140 승인 경험을 바탕으로 통찰력 있는 USCIS 판결 추세 제공
58,000건에 달하는 EB-1A, EB-1B 및 EB-2 NIW 승인을 통해 이민서비스국(USCIS)의 I-140 안건 판정 방식에 대한 정보를 직접 제공합니다. 이민서비스국은 지속적으로 EB-1A, EB-1B 및 EB-2 NIW 해당 판정 기준을 지속적으로 변경해 왔으므로, 본사의 수많은 성공 사례 데이터베이스에서 이민서비스국의 판정 경향에 대해 전례가 없을 정도로 날카로운 통찰을 할 수 있습니다. 본사는 모든 사례의 데이터를 신중히 분석해 고객께 지속적으로 변경 중인 미국 이민법에 입각한 최신 정보를 토대로한 조언과 전략을 제공합니다. 저희에게 맡겨 주신다면, 언제든지 중요 갱신 사항, 최신 전략 및 정보를 얻으실 수 있으므로 항상 귀하의 사례에 알맞은 현명한 결정을 내리실 수 있습니다.

귀하와 유사한 배경과 자격 증명을 보유한 수십만 고객이 저희의 도움을 받으셨습니다.
저희는 고객의 비자 상태, 국적, 배경 및 전문 분야에 구애되지 않고 수백, 수천명의 고객께 도움을 드렸습니다. 저희를 찾으셨던 고객은 모두 저희가 고객의 연구와 업무를 놀랍도록 잘 이해한다는 것에 감탄을 금치 못합니다. 고객에 대한 깊은 이해는 저희가 수많은 유사 안건을 처리했기 때문에 생겨난 것임과 동시에 개별적인 청원에 대한 최고의 전략을 구축할 수 있도록 합니다.

대부분의 고객님께서 저희를 찾으시는 이유는 바로 입소문 때문입니다
수년간 본사는 기존 고객의 입소문과 추천만으로 새로운 고객을 유치했습니다. 본사는 친구와 가족이 지인에게 저희와의 긍정적인 경험을 공유한 것에 자부심을 갖고, 고객 여러분들에게 행복한 그린카드 신청 경험을 제공할 수 있도록 노력하고 있습니다. 이러한 노력으로 저희는 2013년 600건을 성공시켰으며 2025년에는 58,000건 이상을 성공시켰습니다.

2020년부터 2023년까지 북미 이민법 협회가 제출한 EB1 / NIW 사례 승인 통계

Client Testimonial

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

I greatly appreciate Chen Immigration Law team for all the help and support, and for their very professional service, from the beginning to the end of my I-140 approval!<
My experience with them with filing my EB2-NIW petition steamily positive. They are professional, well-mannered, timely, and helped us steered through the complex petition process.
I talked with couple of others law firms but find out that Chen Immigration has refund policy, means that they do their homework according to your case before file the case. Which give me more confidence. At the end I figure out that the work very hard to prepare my case. I highly recommend to people if they want to apply for I-140.

- M. W. M, Enterprise Applications Administrator and Developer

I cannot describe how excited I was when I got to know that my I-140 EB1A application has been approved. This simply could not be true if without the professional help from the North America Immigration Law Group. I don't think that my background conditions were safe for this application. But I knew that their preparation strategy made my case pretty strong. Although the application was long and challenging, it was very nice to work with their team during the whole process period. They impressed me with excellence, professionalism, and highly responsiveness. I do believe that their service is the best one in the immigration business.
Thank you so much for your effort to help me get through the EB1A application. I have recommended and will be happy to continue recommending your professional team to other people who really want to be greened.

- K. J., Electrical Engineer at New York State

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 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

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

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Success Stories: Our Customized EB1A Petition Aided a Chinese Staff Robotics and Controls Engineer in Mechanical Engineering to Secure EB1A Approval in Only 15 Days

“Wow, this is really great news. Thank you so much for the guidance and help throughout this process. I truly appreciate all your efforts.”

Approved in 15 days

State of Residence: California

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Success Stories: Heartfelt Appreciation – Cameroonian Postdoctoral Researcher Expresses Deep Gratitude for Our Meticulous Efforts in Securing NIW Approval Despite Waiting for a Longer Duration of Time

“This is Excellent news !! Thank you SO MUCH for making my day !! I sincerely appreciate your hard work, dedication, and guidance throughout my I-140 NIW petition process. Thank you for all the effort you put into ensuring a smooth and successful outcome. Your support has been invaluable. I will be sure to recommend your firm to others who may benefit from your exceptional service. Thank you again for everything !! I am thrilled that my EB2-NIW petition was approved in less than 10 months without an RFE ! I am incredibly grateful to Chen Immigration Law Group (Wegreened) for their expertise, professionalism, and unwavering support throughout the process. Their clear guidance, attention to detail, and responsiveness made a significant difference in my case. Thanks to their diligent work, my Form I-140 was approved smoothly, and I couldn’t be happier. I highly recommend Chen Immigration Law Group (Wegreened) to anyone seeking expert immigration legal services. Thanks again Chen, for your exceptional service!”

Approved in 297 days

State of Residence: Maryland

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Success Stories: Our Firm Helped a Subspecialty Physician from Europe Secure NIW Approval in Only 2 Months and 20 Days

“Chen and associates are very competent and fast. They respond via their portal to any question in <24h, and their portal is great to upload and organize all the documents. My experience made me understand that it is the background and the endeavor that counts.”

Approved in 80 days

State of Residence: -

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Success Stories: We Helped a Graduate Student Researcher from China in the Field of Pharmaceutical Chemistry Achieve NIW Approval Without Any RFE

“Thanks for sharing this great news with me! It’s been a great experience.”

Approved in 426 days

State of Residence: California

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Success Stories: NAILG Secures NIW Approval for a Chinese Senior Mechanical Engineer I in the Field of Mechanical Engineering Without Any RFE

“The overall experience is good! Thanks for the fantastic work!”

Approved in 84 days

State of Residence: Arizona

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Success Stories: NIW Petition Approved for a Formation Evaluation Reservoir Engineer in the Field of Petroleum Engineering, Thanks to Our Guidance and Premium Processing Service

“I am happy to share my experience with the Chen Immigration Team. I received my EB2-NIW I-140 approval through premium processing. The team is highly experienced and professional, providing prompt and thorough responses to all my questions. I highly recommend their services, and many of my friends and colleagues are currently working with them on their cases.”

Approved in 37 days

State of Residence: Texas

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Success Stories: An Indian Principal Research Engineer Working in the Field of Computer Science Received O1-A as well as EB1A Approvals with the Help of NAILG’s Teamwork

“That is very good news…Thank you for helping me through both the O1A and EB1A visas. I found the process well-organized with timely responses and thorough document checks. It made it easier to manage my time and any related mental stress.”

Approved in 20 days

State of Residence: Maryland

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Success Stories: A Remarkable NIW Approval for a Computer Vision Scientist from China, Secured in Just 2 Months Through Our Dedicated Efforts

“Thanks for all the efforts and I would definitely refer WeGreened to my friends.”

Approved in 60 days

State of Residence: California

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Success Stories: A Senior Machine Learning Scientist Achieves EB1A Case Approval with the Help of Our Team’s Efforts and Guidance

“The Chen Immigration Team was professional and responsive, providing clear guidance throughout the preparation of my case. The drafted materials effectively highlighted the significance of my background, ensuring a strong and well-presented application.”

Approved in 341 days

State of Residence: New York

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Success Stories: In Just 2 Months, a Software Engineer II from India Achieves NIW Approval with Our Customized Petition Packet

Approved in 60 days

State of Residence: Ohio

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Success Stories: A Research Scientist in Food Safety from China Secures NIW Approval in Just 19 Days with Our Dedicated Support and the Premium Processing Service

“Thank you so much for helping me with my NIW case. I’m super excited that it got approved smoothly.”

Approved in 19 days

State of Residence: Georgia

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Success Stories: A Ph.D. Candidate from California Secures NIW Approval in Just 2 Months and 4 Days with Our Expert Assistance, Also Thanks to Premium Processing

“Hi! Thank you so much for your help through this! I have been recommending you to my friends, and I know a bunch of them are currently preparing their case with you. Hopefully in a few years I will have enough citations and I can apply for EB1-A with you.”

Approved in 64 days

State of Residence: California

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Success Stories: NAILG Helped a Faculty Specialist from Nepal to Obtain NIW Approval in the Field of Data Science (with 14 Citations and a Master’s Degree)

“I want to thank the entire team for their exceptional support throughout my EB2 NIW application process. Your guidance on each section of the application was invaluable, and your thorough review of the information I shared helped me catch my errors and ensure accuracy. I truly appreciate how you accepted my feedback and incorporated only the relevant suggestions, demonstrating your expertise and professionalism. Your quick responses during critical periods were crucial and greatly appreciated. Additionally, your proper guidance considering my mixed backgrounds and academic and industrial experiences was instrumental in making this journey smoother and more manageable. Thank you for everything! I am looking forward to the next step of the green card process.”

Approved in 67 days

State of Residence: Washington

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Success Stories: A Remarkable NIW Approval for a Research Engineer II from India, Secured in Just 27 Days Through Our Dedicated Efforts

“I am very satisfied with the professionalism demonstrated throughout the entire process and the clear, straightforward answers to all my questions. I will definitely recommend my friends and colleagues to consider Chen Immigration Attorneys for their green card applications.”

Approved in 27 days

State of Residence: Georgia

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Success Stories: With Our Excellent Case Preparation, NAILG Wins NIW Approval for a Post-doctoral Research Associate in Aerospace Engineering

“Yes, that is awesome. Thank you so much for your help putting the case together. Overall I think that your service is of very high quality.”

Approved in 465 days

State of Residence: Arizona

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