What is the success rate of Chen Immigration Law Associates (Wegreened)?

Under our Approval or Refund® service between January 2020 and December 2024, we achieved an overall success rate of 98.44% across 34,061 cases. This includes a 99.52% approval rate for EB-2 NIW (28,946 approvals), 91.76% for EB-1A (4,322 approvals), and 98.51% for EB-1B (793 approvals).

Why choose North America Immigration Law Group?

Clients choose North America Immigration Law Group for our ability to translate extensive case experience into practical legal strategy. With insight drawn from nearly 64,000 approved NIW, EB-1, and O-1 petitions, our attorneys focus on how USCIS officers are currently evaluating cases. Each petition is developed through case-specific legal analysis to align the client’s background with present adjudication standards rather than relying on static language or fixed formats.

North America Immigration Law Group - specialized in NIW (National Interest Waiver) and EB1 Greencard

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）和 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64,000+件。

北美聯合律師事務所 EB1 / NIW 案件批准數據

(2012.01 - 2025.12)

Category	Approval or Refund^®		Approval or Refiling^TM
	Approval or Refund^®
Category	Approved Sum	Success Rate	Approved Sum	Success Rate
NIW	42,047	99%	5,258	97%
EB1A	9,218	91%	4,534	86%
EB1B	1,488	98%	448	93%
Total	52,753	98%	10,240	92%

顧客見證

I heard about this law firm from one of my friends who had high recommendation. Before approaching Chen Immigration Law Associates, I had personally talked to an immigration lawyer whose fee was expensive and the lawyer did not seem much positive regarding my EB2-NIW case. When I first contacted Chen Immigration Law Associates for free EB2-NIW evaluation and heard that my case is eligible for approval or refund, it energized me and made me believe that my case is strong enough too. Though communication was only through email, it was easy and reliable. The timeline set in the contract is always fulfilled. I am really happy that I chose this law firm and I highly recommend it to anyone seeking immigration advice and services. Once again, I am very thankful to the team of Chen Immigration Law Associates for all their effort in making my petition a success.

- O. P.

I will definitely recommend North America Immigration Law Group to all my friends who is seeking for immigration services. I am very, very impressed by their excellent service. The entire process is very professional and they have been responsive and responsible. They will do their best in every little detail to make you case stronger. Their service and attitude towards every case define their high reputation.

- B. H., Postdoctoral Research Fellow

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

We just wanted to thank Chen Immigration for their help during this process. They were absolutely amazing. They responded to all our questions with such detail and were thorough in their examination of all our supporting documentation. They were quick with their responses and always stuck to the timeline. They provided us amazing templates for all out letters of recommendation and overall were exceptional. Highly competent and would strongly recommend to anybody looking for immigration assistance.

- G. B.

Three of my friends who already got green card in EB1 category with the help of Chen immigration recommended me to contact this firm. They gave me free evaluation and approve and refund policy for my EB1B. I don’t know about other firm but I can say that I had a very good experience with Chen immigration. My attorney guided me on every single step and never got irritated even if asked same question several times. I got the answer of all my questions within 24 hours of time. As they promised, they wrote very strong letter of recommendation and drafted my petition within timeline. I was impressed the way they presented my case in the petition and as a results my case got approved in 7 days. I would strongly recommend Chen immigration to anyone trying to get green card under EB1 category. As I heard from my friends and I also experienced that they are the best with impressive team of attorneys. Thank you so much Chen immigration. It would not have been possible without your help. You are doing really good job. Keep it up !
Highly Recommended !!!!

- Dr. S. R., Assistant Professor

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

NIW Approved for a Systems Engineer Advancing AI-Driven Biomanufacturing and Sustainable Food Production Research Following RFE

“My attorney did an excellent job preparing my I-140 petition. Their attention to detail, responsiveness, and expertise made the entire process smooth and stress-free. I highly recommend their services.”

Approved in 203 days

State of Residence: -

Success Story: EB1A Approved Despite RFE! Dual NIW + EB1A Victory for Indian Medical Director via Premium Processing

“It has been a pleasure working with Chen on my EB1A NIW journey. I heard about Chen years ago and hence had the confidence to go with them. I liked their meticulous attitude in preparing the case draft and collecting evidence. Chen has a ton of experience with EB1 and NIW categories. Chen has also been prompt in responding to my queries. I was told the officer who had issued my RFE had only a 30% approval rate. I was nervous due to the recent significant drop in the EB1A approval rate. However, Chen was a great help throughout the process, and I am satisfied with her service. I wish them all the best and endorse her for physicians willing to file an EB1A NIW petition.”

Approved in 15 days

State of Residence: Illinois

Success Stories: Advancing Human-Centered Technologies: Postdoctoral Fellow Secures EB1A and NIW Approvals Despite RFE

“Thank you so much for your tremendous help in my petitions for NIW and EB1A.”

Approved in 16 days

State of Residence: Georgia

Success Story: EB1A Approved for Nanotechnology Engineer Advancing Energy and Sensor Applications

“Thank you for all the help.”

Approved in 29 days

State of Residence: Canada

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

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

Success Story: Overcoming RFE! Our Firm Helped an Iraqi Senior Manager of Data Science Secure NIW Approval via Premium Processing

“I’m incredibly grateful to NAILG for guiding me through every step of the NIW petition process, especially when responding to the RFE. It meant a lot to have a team that understood both the technical depth and national importance of my work. Their attention to detail, responsiveness, and strategic framing of my case played a key role in the approval. From initial consultation to premium processing submission, they handled everything with professionalism and care. I highly recommend NAILG to any researcher or professional pursuing the NIW path.”

Approved in 174 days

State of Residence: North Carolina

EB1A Approved for Cancer Biology Researcher Advancing Genome Stability and DNA Damage Response Research

“It was a great pleasure working with your team: the responses were professional and prompt.”

Approved in 21 days

State of Residence: California

Success Stories: At the Molecular Crossroads: Biomedical Researcher Secures NIW Approval

“Thank you very much for your continuous support.”

Approved in 520 days

State of Residence: Pennsylvania

Success Stories: Healing Through Precision: A Dual Triumph in Oncology

“I am very fortunate to have completed the EB-1A and EB-2 NIW case applications with the Chen Immigration Team at North American Immigration Law Group. Ms. Chen’s team is experienced, efficient, and trustworthy.”

Approved in 85 days

State of Residence: China

Success Stories: An Iranian PhD Candidate’s Path to Success: EB2-NIW Petition Approved with No Request for Evidence

“I had a very positive experience working with the North America Immigration Law Group on my NIW petition. They were consistently responsive (i.e., every question I had was answered within 24 hours), and they followed through on every step they outlined from the beginning, which made me find them trustworthy. After I signed the agreement, they provided access to a well-organized client webpage that made it easy to keep track of tasks, documents, and deadlines. The whole process felt structured and manageable thanks to that system.”

Approved in 562 days

State of Residence: Illinois

Success Stories: A Precision Mind Behind the Lens: EB1A Approved for Fluorescence Microscopy Researcher

“Thank you so much for all your efforts on my green card application. I’m very grateful for all your help.”

Approved in 503 days

State of Residence: New Mexico

NIW Approved for a Researcher Advancing Wireless Networks Despite a Request for Evidence (RFE)

“I truly appreciate your support and guidance throughout this process — it’s been a pleasure working with your team. Once again, thank you for your excellent service.”

Approved in 422 days

State of Residence: -

Success Story: Just 12 Days to NIW Success! Our Firm Helped a Nepal Staff Scientist Get Approved Swiftly with Premium Processing Service

“This is great news!! I feel very elated to have my NIW approved!!”

Approved in 12 days

State of Residence: North Carolina

Success Stories: A Chinese Power Systems Research Engineer Secures EB2-NIW Approval in Just Over One Month via the Premium Processing

“Thank you very much for your help! Really excited that my case got approved without RFE. Thank you so much!”

Approved in 37 days

State of Residence: Washington

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