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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件成长至接近64,000件。

北美联合律师事务所 2020 年至 2024 年EB1 / NIW 案件批准数据

顾客见证

I had worked with Chen Immigration group for my O-1A visa first and then retained with them for my I-140 petition under EB1A category. Their services are rapid and prompt with an affordable fee structure. They also have very high success rate of approvals. They have taken utmost care on all the required documentation. They usually respond to my questions in 1 business day. I highly recommend Chen Immigration group for my fellow colleagues for their petitions under various categories.

- R. V., Chief Technology Officer

Many thanks to NAmILG/Chen Immigration for the quality and efficiency of their services. They have always replied very fast to any of my requests or questions. They have provided me with very clear answers and guidelines to navigate the I-140 application process. Their preparation of the file and their drafting of letters were thoroughly thought out and meticulous. I consider they have played a key role in the success of my I-140 application.
I would highly recommend Chen Immigration for their professionalism, honesty, and straightforwardness.

- P. A. M., Postdoctoral fellow

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

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 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

It is with great pleasure that I here come to express my highest gratitude and respect for North America Immigration Law Group. Victoria Chen and her incredible competent and professional Team of Attorneys are highly recommended by me. They diligently worked on my application and provided me with the best word of advice and expertise regarding my I-140 case. My process was approved within the standard and current processing time of four months. I am now, undoubtedly working with them again to apply for the I-485. I would recommend one and only Law Immigration Group, and that is Chen Immigration & Attorneys. This Team is stupendous.

- L. O., Senior Applications Engineer

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Success Story: O1-A Approved in Just 17 Days! Custom Strategy Secures Win for A Chinese Post-Doctoral Fellow via Premium Processing

“Great. Thank you for all your effort.”

Approved in 17 days

State of Residence: South Carolina

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Success Stories: Collaborative Win: NAILG and Postdoctoral Research Associate in Materials Engineering Achieved NIW Approval

“I’m happy with the service. Thanks.”

Approved in 40 days

State of Residence: Utah

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Success Stories: NAILG Helped a Senior Advisor from India to Obtain NIW Approval in the Field of Computational Chemistry in 1 Month, 21 Days only

“Great news! Thank you for your support and guidance in this important process. The team was prompt and very diligent in preparing and reviewing the material and did a nice job explaining the expectations and best practices to help ensure the application is as smooth as possible.”

Approved in 51 days

State of Residence: Indiana

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Success Story: We Helped an Expert in Applied Entomology Secure NIW Approval with Confidence

“With the expert guidance of Chen Immigration Law Associates, I successfully obtained my EB-2 (NIW) approval (priority date: May 21, 2024, decision date: March 18, 2025). The firm’s deep understanding of the petition process, professionalism, and prompt responses made the entire experience smooth and efficient.
 
I am grateful to the Chen team for their outstanding support and highly recommend them to researchers and professionals seeking U.S. immigration under the NIW categories.”

Approved in 295 days

State of Residence: China

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Success Story: Senior Software Developer from China Achieves NIW Victory Through Our Assistance

“I was amazed by the professionalism and strategic approach of the legal team, which made the complex NIW process feel manageable and clear. Their expert guidance was instrumental in the successful approval of my case, and I am grateful for their invaluable assistance in achieving this goal.”

Approved in 295 days

State of Residence: New York

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Success Stories: A Dual Triumph in U.S. Immigration: Elevating Population Health Through Data and Digital Innovation

“Many thanks again for your professionalism and great help. I will definitely refer to my colleagues and friends. I would also like to specifically thank my attorney for his outstanding skills and help with my case. I really appreciate him.”

Approved in 69 days

State of Residence: Singapore

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Success Stories: Turning Data into Public Health Insight: EB2-NIW Approved for AI-Powered Health Researcher

“This is great news! I’d like to express my sincere thanks to the team and attorneys for all the help and support during this long process. Navigating the application could be intimidating at times. Your clear instructions and detailed feedback helped me immensely along the way.”

Approved in 200 days

State of Residence: Texas

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Success Story: From Neuroimmune Signals to National Impact — Dual I-140 Approvals for a Biomedical Innovator

“Thank you so much for your invaluable assistance in securing my approvals.”

Approved in 112 days

State of Residence: United Kingdom

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Success Story: O1-A Approved in Just 14 Days! A Postdoctoral Research Associate Secures Success with NAILG’s Team and Premium Processing

“Thank you so much for the wonderful news! It was a real pleasure working with you!”

Approved in 14 days

State of Residence: Illinois

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Success Story: NIW Success for Chinese Graduate Student – Approved with Our Tailored Strategy and Premium Processing

“It’s been a great experience working with your firm, and I really appreciate all the help along the way! The expertise and prompt responses are exceptional, definitely would recommend to anyone who is interested in applying for a green card!”

Approved in 44 days

State of Residence: Massachusetts

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Success Stories: Radiologist Secured NIW for Pioneering Research on Safer, Faster Imaging Techniques

“Thank you very much for your help and support from the free evaluation till my I-140 approval.”

Approved in 131 days

State of Residence: New York

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Success Stories: From ICU Data to Lifesaving Predictions: How One Researcher Is Using Algorithms to Revolutionize Critical Care

“Thank you for your great work and kind assistance throughout the process. The attorney is very helpful and prompt in response. Overall, it’s a satisfying experience!”

Approved in 45 days

State of Residence: United Kingdom

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Success Story: With Strategic Filing, Our Expert Team Assisted a China Associate Research Scientist Secure NIW Approval

“I’m so thankful to NAILG for helping me get my NIW petition approved. From the very beginning, they were patient and incredibly knowledgeable. I never felt alone in the process—they guided me step by step, answered all my questions quickly, and made everything feel manageable. I truly appreciate their hard work and care, and I wouldn’t have been able to do this without them.”

Approved in 476 days

State of Residence: New Jersey

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NIW Approved for Inorganic Chemist Advancing Rare-Earth Elements Extraction and Nuclear Waste Remediation

“Thank you so much!!! I really appreciate your help!”

Approved in 490 days

State of Residence: Michigan

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Success Stories: Medical Scientist from Nepal in Biomedical Science Secures EB2-NIW Approval, Overcoming RFE Challenge

“This is fantastic news! I want to extend my sincere thanks to your entire team for their outstanding assistance with my I-140 application and the subsequent I-140 RFE. I truly believe my case wouldn’t have been approved without the dedication and expertise of your professionals.”

Approved in 169 days

State of Residence: Florida

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