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北美聯合律師事務所(North America Immigration Law Group; Chen Immigration Law Associates)是一家從事美國移民的律師事務所,致力於代表來自美國50個州的公司、研究機構和個人,針對I-140移民申請提供法律服務。 我們專精於職業移民申請,並在下列移民類別保有高成功率的證明記錄: EB2-NIW(國家利益豁免)EB1-A(傑出人才)EB1-B(傑出教授/研究員)

我們所累積的上萬件I-140批准通知讓我們對美國移民局的裁決趨勢有著前所未有的洞察力
擁有上萬筆的EB-1A,EB-1B和EB-2 NIW批准紀錄,我們對USCIS判決I-140案件的方式有著豐富的第一手資料。 由於USCIS會不斷改變對EB-1A,EB-1B和EB-2 NIW類別的裁決標準,我們事務所累積的龐大成功案例數據庫能提供您前所未有且透徹的USCIS裁決趨勢。 我們仔細分析我們所有案例的數據,將分析結果應用於為客戶提供最新的建議,並隨時調整我們的策略,使我們與美國不斷變化的移民法規局勢保持一致。 與我們合作,您可以隨時得知重要的更新、策略和資訊,讓您可以對您的申請做出最明智的決定。

我們已經成功幫助過上萬位背景和條件與您相似的客戶
我們經手過眾多的成功案例。無論您的條件、背景、專業領域、簽證身份或國籍為何,我們極有可能已經幫助過數百名甚至數千名和您相似的客戶。 我們的客戶通常對我們能如此了解他們的研究和工作感到印象深刻。 我們的洞察力和理解來自於我們已經處理過許多與您條件類似的案例,這使我們有能力為每份申請量身訂製最佳策略。

許多客戶都是因為他人的推薦而與我們接洽
多年來,我們事務所吸引了許多新客戶與我們合作,他們全都是基於我們的口碑、他人的推薦以及朋友和家人所分享的愉快合作經驗而選擇我們。 我們以我們的聲譽自豪,也努力確保我們提供令人滿意的綠卡申請服務給每位客戶,讓客戶樂於與他們的朋友和同事分享經驗。 這就是為何截至2025年,我們累積的批准案件總數已從2013年的600件成長至超過61,000件。

北美聯合律師事務所 2020 年至 2024 年EB1 / NIW 案件批准數據

顧客見證

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

One word to define Chen immigration: 'Professional'

First of all, I want to thank the immigration team for their timely and excellent services. They were absolute joy to work with and the team was thorough, experienced and well placed to provide me excellent reviews, advice throughout my EB2-NIW application process. I have already recommended a few of my friends who already echo my sentiments and will continue to refer Chen Immigration services to anyone who seek my advice.

- D. T.

It was a privilege to work with Chen immigration attorneys during my NIW I-140 application. They were really professional and kept the deadlines depicted by the client-attorney agreement. They will answer your questions within a day with the maximum clarity. I would definitely recommend them to anyone looking to apply for a NIW green card. Thanks once again and keep up the good work.

- I. S., Research Scientist

My EB1B I-140 got approved within 10 business days. I have worked with Chen Immigration Team from North America Immigration Law Group for 4 months before submitting my application. They were extremely thorough, meticulous and prompt with their service. They drafted all the necessary letters (employment verification, recommendation letters and petition letter) within the agreed timeline. They helped me to choose potential recommenders and were always quick to answer any of my questions. They are very professional and definitely know what they are doing. I will definitely recommend Chen Immigration Team to anyone who is planning to apply for Permanent Residency Status in USA.

- B., Scientist

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

It was an incredible experience working with Chen lawyers. I got my EB1A approved in 10 days. They were so perfect in their work and and took care of every little detail necessary. Very dependable and very friendly to work with. They were very prompt in answering every of my questions; and trust me they have been very kind to have responded to silliest of my doubts and concerns. I strongly recommend them to all my friends. Needless to mention, I am going to work with them for I-485 as well.

- T. K., Research Scientist

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Success Story: Empowering Social Impact through Data Science: Chinese Researcher Secures NIW Approval

“I greatly appreciate the Chen Immigration Law Associates for your support with my NIW application! You are an excellent team. Many thanks for your hard work, prompt and clear response, and professional expertise! Special thanks to Belinda Bu for her great help and expertise!”

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State of Residence: Colorado

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“I am truly grateful for the thorough and professional support provided by the entire Chen Immigration team. You addressed all of my questions promptly and in detail, guiding me through each step and helping me prepare the strongest possible case. You demonstrated a clear understanding of the intricacies of my work and skillfully crafted a compelling case on my behalf.”

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State of Residence: Indiana

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Success Story: We Helped a Postdoctoral Scholar from China Achieve NIW Approval Without RFE

“I am glad to hear this good news. Thank you for your guidance and kind support.”

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State of Residence: California

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Success Stories: NAILG Expert Strategy Secured 21-Day NIW Approval for Computer Science Research Scientist

“Thanks for all the help in putting this petition together. Your team responded in a very timely manner and was very professional.”

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State of Residence: Iowa

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Success Stories: Associate Professor in Neuroscience Achieved EB-1A Approval with NAILG’s Expert Legal Support

“I will definitely refer you to my friends.”

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Success Stories: Surgical Pathology Fellow Investigating Molecular Cancer Mechanisms Secured NIW in Just Over a Week With NAILG

“I got in touch with North America Immigration Law Group through a referral by a friend who also had a great experience. It was a wonderful experience working with them on my application. They always reply within 24 hours. They provided a high level of guidance as well as attention to detail. They suggested some extra documents based on recent trends. I am so happy for the case approval and want to thank them so much for guiding me through this path. Highly recommend them.”

Approved in 9 days

State of Residence: Florida

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Success Story: NIW Approved Without RFE: We Helped an Iranian Human Genetics Expert Achieve Success

“I am very thankful to the team for their help with my EB-2 NIW application. They worked hard and gave me clear advice, which made the process easier. Their support was important in getting my application approved without any problems. I am happy with their service and recommend them to anyone needing help with U.S. immigration.”

Approved in 347 days

State of Residence: Switzerland

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Success Stories: Strategic Petition Yielded 16-Day NIW Approval for Applied Researcher in Machine Learning

“Thank you so much for your support during my NIW petition! I’m truly grateful for your expertise, responsiveness, and guidance every step of the way.”

Approved in 16 days

State of Residence: California

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Success Stories: NAILG Guides PhD Candidate in Electrical Engineering to NIW Approval in 2 Months – No RFE, No Delays

“Thank you so much for your hard work! It was really a great experience.”

Approved in 60 days

State of Residence: North Carolina

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Success Story: NAILG Helped a Chinese Expert Earn NIW Approval via Premium Processing

“WeGreened’s streamlined process and responsive team made my NIW application smooth and stress-free. Their clear guidance saved me time and helped me present my achievements effectively. Highly recommended.”

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Success Stories: Building Tomorrow’s Technologies: A Dual Win in Mechanical Engineering

“NAILG made my immigration journey much smoother than I expected. They really understood my research and knew exactly how to present it to USCIS. What stood out was how they turned my technical work into a compelling story that highlighted its importance to the U.S. The team was professional, responsive, and clearly experienced in handling cases like mine. Getting both NIW and EB1A approved speaks to their expertise. I’d definitely recommend them to fellow researchers looking for reliable immigration help!”

Approved in 457 days

State of Residence: California

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Success Stories: Statistical Physics PhD Candidate Earned NIW Approval for Advancing Understanding of Intelligent Systems

“My attorney was both professional and dependable. Thanks to his support, my case was successfully prepared within just a month and a half.”

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State of Residence: California

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“I greatly appreciate your help with my approved EB-1A.”

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Success Stories: NAILG Helped Cancer Immunotherapy Researcher Win NIW for High-Impact Research in Tumor Treatment

“I had a great experience working with NAILG on my NIW case. They understood the scientific details of my work and built a strong, well-organized petition. The process was smooth, and their team was always responsive and helpful. I’d definitely recommend them to other researchers.”

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Success Stories: With NAILG’s Help, Plant Biology Postdoctoral Fellow Earned NIW for Contributions to U.S. Agriculture

“Thank you very much!”

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