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北美联合律师事务所(North America Immigration Law Group; Chen Immigration Law Associates)是一家从事美国移民的律师事务所,致力于代表来自美国50个州的公司、研究机构和个人,针对I-140移民申请提供法律服务。 我们专精于职业移民申请,并在下列移民类别保有高成功率的证明记录: EB2-NIW(国家利益豁免)EB1-A(杰出人才)EB1-B(杰出教授/研究员)

我们所累积的上万件I-140批准通知让我们对美国移民局的裁决趋势有着前所未有的洞察力
拥有上万笔的EB-1A,EB-1B和EB-2 NIW批准纪录,我们对USCIS判决I-140案件的方式有着丰富的第一手资料。 由于USCIS会不断改变对EB-1A,EB-1B和EB-2 NIW类别的裁决标准,我们事务所累积的庞大成功案例数据库能提供您前所未有且透彻的USCIS裁决趋势。 我们仔细分析我们所有案例的数据,将分析结果应用于为客户提供最新的建议,并随时调整我们的策略,使我们与美国不断变化的移民法规局势保持一致。 与我们合作,您可以随时得知重要的更新、策略和信息,让您可以对您的申请做出最明智的决定。

我们已经成功帮助过上万位背景和条件与您相似的客户
我们经手过众多的成功案例。无论您的条件、背景、专业领域、签证身份或国籍为何,我们极有可能已经帮助过数百名甚至数千名和您相似的客户。 我们的客户通常对我们能如此了解他们的研究和工作感到印象深刻。 我们的洞察力和理解来自于我们已经处理过许多与您条件类似的案例,这使我们有能力为每份申请量身订制最佳策略。

许多客户都是因为他人的推荐而与我们接洽
多年来,我们事务所吸引了许多新客户与我们合作,他们全都是基于我们的口碑、他人的推荐以及朋友和家人所分享的愉快合作经验而选择我们。 我们以我们的声誉自豪,也努力确保我们提供令人满意的绿卡申请服务给每位客户,让客户乐于与他们的朋友和同事分享经验。 这就是为何截至2025年,我们累积的批准案件总数已从2013年的600件成长至超过58,000件。

北美联合律师事务所 2020 年至 2023 年EB1 / NIW 案件批准数据

顾客见证

Chen Immigration is by far the most professional and meticulous group I have come across. The entire process, right from the evaluation by Victoria Chen, to the final submission to USCIS is systematic and diligently planned. Each and every question is answered and at no point does one feel helpless. The letters are expertly drafted. Kudos to the team and Ms. Chen.

- S. P., Scientist

I am thankful to Victoria Chen and her immigration team for making this happen. I got my I-140 approved in EB1A category. This group is highly professional and I am very satisfied with the services. The reply to all of my questions were prompt. The team is extremely meticulous with documentation and drafting of letters, especially the petition. I strongly recommend North American Immigration Law group for US immigration!!!!

- P., Neuroradiologist and Research Scientist

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

2 years ago when I googled saying 'Best immigration lawyer for NIW' - It showed up Chen immigration on top of the list at Yelp. I decided to work with Chen immigration firm and now I am highly satisfied with my decision.
My EB2-NIW application has been approved after 13 months. Chen immigration helped me to submit this application. I am very much impressed the way they prepare my application for this category. They are very professional ! I have already recommended dozen of my friends to Chen immigration and will highly recommend to all those who are currently looking for immigration lawyer in USA.

- M. S., Postdoctoral Research Associate

Thank You Chen Immigration and Attorneys for your tremendous effort on helping me approve my NIW EB-2 petition. They are very professional from start to end. All the questions asked were answered in a professional manner in timely basis. I really appreciate all your work and suggestion during the process. If anyone of you plan to file your NIWS, Chen Immigration and Attorneys are probably the best options out there.

- M. K., Geophysicist

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

READ MORE

Success Stories: Without RFE, a PhD Candidate in the Field of Biomedical Engineering Secures I-140 NIW Approval with the Help of Our Expert Team

“I would like to thank you for preparing my application! The petition letters you drafted, along with the recommendation letters, are very helpful. My questions have always been answered promptly. Overall, the whole process was fast, smooth, and well-guided. Thank you so much!”

Approved in 360 days

State of Residence: Wisconsin

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Success Stories: In Just 1 Month, 22 days, an Indian Research Scientist in the Field of Public Health Secures NIW Case Approval with the Help of Our Expert Team

“Thank you for your notice. Your services have been exceptional.”

Approved in 52 days

State of Residence: New York

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Success Stories: NIW Petition Approved for a Food Technologist – Quality Assurance from Nepal in the Field of Microbial Food Safety, Thanks to Our Team’s Efforts and the Premium Processing Service

“Great Work! Completely met and exceeded my expectations. They were swift to respond and also made sure to verify all documents and information precisely. All issues were instantly resolved and any confusion or issues I had were immediately addressed. I would recommend it to everyone.”

Approved in 49 days

State of Residence: Tennessee

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Success Stories: NIW Petition Approved for a Researcher from Togo in the Field of Nutrition Without Any Request for Evidence [RFE], Thanks to Our Team’s Dedication and Guidance

“I appreciated the work you did, especially the promptness with which you responded. Thank you so much for your kind words and support throughout the process. I’m thrilled to have my I-140 NIW approved, and I truly appreciate your expertise and guidance.”

Approved in 290 days

State of Residence: Togo

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Success Stories: A Senior Research Engineer from China in the Field of Wireless Communications Achieves EB1A Case Approval in Just 19 days with the Help of Our Assistance and Premium Processing

“Thank you team! It has been a great pleasure to work together, and thank you so much. This cannot happen without your professional and great effort.”

Approved in 19 days

State of Residence: Texas

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Success Stories: A Researcher in the Field of Electrical Engineering Successfully Obtained His NIW Petition Approved

“I am writing to express my deepest gratitude for your outstanding support and guidance throughout my EB2 NIW petition process. Your expertise, dedication, and professionalism were crucial in ensuring a smooth filing and, ultimately, a successful approval. A special thanks to Attorney Lei Lei for invaluable assistance, patience, and meticulous attention to detail. Your insights and strategic approach made a significant difference in strengthening my case. I truly appreciate the effort and dedication you and your team put into every step of the process. I am incredibly grateful for your exceptional service and unwavering support. I will gladly recommend Chen Associates to anyone seeking immigration assistance. Thank you again for everything!”

Approved in 93 days

State of Residence: Alabama

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Success Stories: In Just 2 Months, a Chinese AI Engineer in the Field of Machine Learning Systems Secures NIW Case Approval with The Help of Our Expert Team

“That’s great news! Thanks for handling my case with care and efficiency.”

Approved in 60 days

State of Residence: California

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Success Stories: NAILG Helps Biomedical Scientist from Zimbabwe Achieve NIW Approval

“I am extremely grateful to the Chen Immigration for their professionalism and expertise when I filed my EB-2 NIW petition. They were very helpful and answered all the questions I had during the process. In addition, they compiled an excellent petition packet which resulted in my case being approved with no RFE. I definitely recommend the team!”

Approved in 297 days

State of Residence: Massachusetts

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Success Stories: NAILG Assists Geotechnical Engineer in Securing NIW Approval for Advancing Deep Foundation Systems and Infrastructure Safety

“I am extremely satisfied with the exceptional service provided by the North America Immigration Law Group. Their expertise and meticulous approach in preparing my EB-2 NIW petition made the entire process smooth and stress-free. They effectively highlighted my contributions, ensuring my case was presented in the strongest possible way. Thanks to their guidance and professionalism, my petition was approved efficiently. I highly recommend NAILG to anyone seeking a reliable and knowledgeable team for their NIW petition.”

Approved in 65 days

State of Residence: Kansas

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Success Stories: We Helped a Ph.D. Candidate from Thailand in the Field of Digital Economy Achieve NIW Approval in Just 1 Month, 25 Days with Our Intelligence and Guidance. Also, Thanks to the Premium Processing Service

“Thank you all so much for the preparation, hope I can get the good news from the USCIS.”

Approved in 55 days

State of Residence: Thailand

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Success Stories: NIW Petition Approved for a Ph.D. Candidate from Pakistan in the Field of Civil Engineering, Thanks to Our Team’s Dedication and Guidance

“Thank you for your excellent service. The entire process of composing the petition letter was quite enjoyable. Every detail ran smoothly. Each of the responses received from the Attorney was highly informative and well directed. Overall, I am extremely satisfied with your service. Thank you.”

Approved in 297 days

State of Residence: Texas

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Success Stories: Biostatistics Expert Secures EB-1A Approval with Our Law Firm’s Assistance

“Thanks for all the efforts!”

Approved in 37 days

State of Residence: Massachusetts

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Success Stories: Despite a Request for Evidence [RFE], Our Team Successfully Secured NIW Approval for a Full Professor in the Field of Chemistry

“I want to express my profound gratitude to you and the Firm for this wonderful news of the approval of my I-140 petition. Your passion, dedication, dexterity, and professionalism made this possible. Even when it looked gloomy, you reassured me that the final result would be good. The manner in which you handled the appeal gave me the confidence that you are doing the needful. I am really grateful and very proud of you. Surely I will be glad to recommend your firm to my friends who will be interested. I will not have a problem with you sharing the success story in the manner you have stated. Once again, a very big thank you.

Chen Attorney has shown a lot of professionalism in preparing my case. They painstakingly look at every detail with the goal of getting the best results. They are very timely in attending to the various stages involved in the case preparation. I must commend their efforts.”

Approved in 521 days

State of Residence: Nigeria

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Success Stories: NIW Petition Approved for a Senior Scientist from China in the Field of Pharmaceutical Sciences in 1 Month, 21 Days, Thanks to Our Team’s Dedication and the Premium Processing Service

“It has also been a great experience working with your firm.”

Approved in 51 days

State of Residence: New Jersey

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Success Stories: A Chinese Ph.D. Candidate Working in the Field of Computer Science Gets I-140 NIW Approval with Our Assistance

“The team is responsive and professional. I am very happy with the entire process!”

Approved in 50 days

State of Residence: New York

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