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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件成長至接近64,000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

It was a long and tough journey to prepare the EB-1A I-140. However, with the professional assistance and prompt feedback from the NAIL firm, this process has become much easier. They always stick to the deadlines that have been promised (preparing reference letter in 10 days, petition letter in 10 days). Thank you Chen associates for your enormous help, which helped me get my case approved one day after USCIS received my Form I-140. I will absolutely recommend you to every of my friends who will be applying for the green card in the future.

- J. L., Postdoctoral Fellow

Many thanks to Chen immigration & Attorneys for their great help, and I had a very good experience working with this professional attorney team, they prepared high quality recommendation letters and petition letters, provide guide in detail and response questions in time, I am lucky to have such a team to help me get the approval. I strongly recommended them to all who are seeking green card.

- Y. H., Postdoctoral Research Associate

I have to say the team at Chen Immigration Law Associates are very professional and responsive. My I-140 NIW EB-2 was approved recently and I truly appreciate all the patience and efforts that their team did for my case. As a result of this satisfactory experience, I am planning to continue working with Chen Immigration group for my I-485 case. Before applying for NIW, I searched many other lawyers and this firm was the best among them. Good luck everyone!

- A. S., Teaching/Research Assistant

My I-140 petition under NIW category got approved. I have a phd in mechanical engineering and was a postdoctoral fellow at the time of submitting my petition. I would like to thank Chen Immigration Team in drafting the petition and recommendation letters. I am impressed by their professionalism, their willingness to respond to any question in a timely manner and their dedication in emphasizing every aspect of my work and research. I would not be able to draft such an assuring petition letter myself. I am so grateful to have Chen Immigration Team as my attorney. I highly recommend Chen immigration law group. Thank you so much.

- V. V.

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.

I received my EB1 A I 140 approval notice a few days ago.
Chen Immigration made this possible. it would have been very difficult to pull this through without their help!
They are very thorough in evaluating your case , respond within 24 hours to every questions you post and work diligently in getting petition letter and LOS done in time . There is no doubt in my mind that Chen immigration are the best attorneys to represent your case.
I have recommended several of my friends and will continue to do so. Thank you so much!

- S. S.

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“Great. Thank you for all your effort.”

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

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“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.”

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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.”

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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

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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.”

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

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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!”

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“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!”

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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.”

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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!”

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“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.”

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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!”

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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.”

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