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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

My EB1a petition got approved last week without any RFE. WeGreened worked with me very very closely at every step right from the beginning. I really appreciate the draft of recommendation letters you developed for me. Team Victoria is really great, and highly professional in services and timely responses. This is such an awesome experience working with you. Thank you !!

- S. S., System Analyst

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 am glad to know that my EB1 I-140 is approved. You made my dream come true. I am very thankful to North America Immigration Law Group. In addition to one's extraordinary credential, it is very important to have very good attorney for this success. Chen immigration attorneys are very brilliant and professional. They are very prompt in replying every query.
My several friends recommended Chen immigration and indeed they are great. I worked with Ms. Chen and Mr. Ingebritson. They have explained and simplified all process. Their wining strategy of selecting most useful credentials and presentation helped me in success of my case. I am completely satisfied with their service and highly recommending to everyone who is interested in employment-based green card application.
Thank you very much for all your help and advice during entire process of my application.

- P. N., Postdoctoral Fellow

Words can not describe my level of satisfaction working with folks at WeGreened. They have a rigid systematic approach to submit cases to USCIS (i.e. EB2-NIW in my case).
No hitting around the bush during working with you. Straight forward and logical folks. They throw it into your face when you are wrong, accept it with big heart if they fail. Turn-back time to your questions is within 24 business hours with no doubt at every single step of the progress. Do not doubt for even a single second to choosing them, regardless of your geographical point.

- T. J., Affiliate Faculty

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 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

READ MORE

Success Stories: O1-A Approval Secured for an Assistant Professor from Canada working in the Field of Rheumatology

“It was great working with you on this O-1A application.”

Approved in 11 days

State of Residence: Texas

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Success Stories: EB2-NIW Approved for a Vietnamese Clinical Translational Researcher in Oncology Following a Successful Request for Evidence (RFE) Response

“Chen Immigration turned a challenging RFE into a successful outcome. Their professionalism and understanding of research-driven petitions exceeded my expectations. I am grateful for their work.”

Approved in 139 days

State of Residence: Vietnam

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Success Stories: Teaching and Research Assistant from China Secures NIW Approval Following RFE

“Thank you very much for your message and for all your support throughout the I-140 NIW petition process. I’m truly grateful for your assistance.”

Approved in 268 days

State of Residence: Texas

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Success Story: Fast-Track NIW Win! A Postdoctoral Fellow from China Achieves Approval via Premium Upgrade

“Letters are professional, and responses are fast and helpful. I am glad that I chose Chen Immigration Attorneys to prepare my I-140 case.”

Approved in 38 days

State of Residence: Alabama

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Success Stories: An Innovative PhD Student with Pioneering Work in Renewable Energy Technologies Secures EB2-NIW Approval

“I’m truly grateful for the outstanding support and guidance I received throughout my EB-2 NIW petition process. The team demonstrated deep knowledge, professionalism, and responsiveness at every stage. They prepared a strong petition that highlighted my background clearly and effectively, and I’m thankful to have had such dedicated experts on my side. I highly recommend their services to anyone pursuing an immigration path based on research or professional merit.”

Approved in 140 days

State of Residence: Canada

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Success Story: No RFE Issued: We Helped a Chinese Full Professor and Director in Advanced Computing Secure NIW Approval

“I am really very grateful for your work. It is a great experience. Thank you very much.”

Approved in 490 days

State of Residence: China

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Success Stories: Strategic Petition by NAILG Led to NIW Approval for Neurodevelopment Researcher Within 2 Months

“Thank you very much for helping with my NIW application. It is a great pleasure to work with your team.”

Approved in 44 days

State of Residence: Massachusetts

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Success Stories: Iranian PhD Student in Materials Science Secures NIW Approval without any RFE

“I am truly grateful for the outstanding support and guidance I received throughout my NIW petition process. The team demonstrated deep expertise in both immigration law and the scientific aspects of my case. They crafted a compelling petition that effectively highlighted the national importance of my research in materials science and biomedical implants. The entire process was smooth and transparent, and I was thrilled to receive approval without any RFE. I highly recommend their services to any researcher pursuing a similar path.”

Approved in 485 days

State of Residence: Canada

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Success Stories: Former Deputy Regional Director Earned NIW for Civil Engineering Contributions with NAILG Assistance

“I sincerely appreciate your attention, understanding, clear explanations, and prompt assistance throughout the preparation of my file. Your support has been invaluable, and I am truly grateful for your professionalism and efficiency. I hope for a positive outcome regarding my file and look forward to hearing the results in due course. Thank you once again for your efforts.”

Approved in 35 days

State of Residence: Texas

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Success Stories: EB2-NIW Approval for a Turkish Post-Doctoral Researcher in Artificial Intelligence, Thanks to NAILG’s Strategic Petition

“This is great news! Thank you for your assistance.”

Approved in 345 days

State of Residence: Florida

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Success Story: Our Expert Team Secured NIW Victory for a Postdoctoral Scholar From China

“Thank you very much for the assistance on my I-140 NIW case – I had a very good experience! I want to mention in particular that the reference letters and petition letter first drafts were of high quality, as both of my references noted. At the later stage, though, when there were multiple messages going on and one got missed and led to some delays, the lawyer was able to address it quickly once I followed up!”

Approved in 183 days

State of Residence: California

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Success Story: Without RFE, A Controls Engineer Achieves NIW Success with Our Expert Guidance

“I am pretty much satisfied by the efficiency, clear guidance, and easy communication with WeGreened.”

Approved in 347 days

State of Residence: Massachusetts

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Success Stories: Enhancing Consumer Experience Through AI: NIW Granted to Machine Learning Engineer

“Thank you so much for all the effort and dedication your team has put into my case. It has been a pleasure working with you, and I truly appreciate your support throughout the process. Thanks again for your excellent service, and I’d be happy to recommend your firm to others.”

Approved in 521 days

State of Residence: California

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Success Stories: EB1A Approved for a Chinese Senior Engineer Advancing Battery Technology with NAILG’s Guidance

“Thanks for sharing with me this great news! I really want to thank your team for helping me prepare all these documents throughout the entire process. You are so professional and experienced, I actually already recommended your firm to my friends/peers applying NIW/EB1A and would definitely continue doing so:)”

Approved in 279 days

State of Residence: California

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Success Stories: NIW Granted for Cardiology Fellow Improving Survival Outcomes in Cancer Patients

“Excellent service.”

Approved in 19 days

State of Residence: Ohio

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