Mangmang Cai

Mangmang Cai

4.9
Rating: 7.8

Licensed for 17 years

Immigration Lawyer at Tysons, VA
Practice Areas: Immigration

7925 Jones Branch Drive, Suite 5150, Tysons, VA

About Mangmang

Biography

Practice Areas

1

Practice Area

Immigration 100%

EB-1, NIW, O-1, H-1B, PERM, L-1, and other green card and visa applications for scientists and professionals.

18 years

100%

Fees and Rates

Cost

Retainer

Sometimes


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in District of Columbia for 16 years

State: District of Columbia

Acquired: 2009

Good Standing

No misconduct found

Licensed in Virginia for 17 years

State: Virginia

Acquired: 2008

Active

No misconduct found

Location

New Weiming Law Group, PLLC

7925 Jones Branch Drive, Suite 5150, Tysons, VA, 22102

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Mangmang Cai's Reviews

Avvo Review Score

5.0 /5.0

252 Client Reviews

Filter Avvo Reviews (252) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 36 reviews | Communication Style

Posted by Xiaoqiang | August 07, 2025 | Hired Attorney | Immigration

Green Card Journey with NewWeiMing

My journey to obtaining a green card, transitioning from NIW to EB1A to I-485, was greatly supported by Dr. Yuanyuan Zhang and Xiao Yang. The timeline of my approvals speaks volumes about their professionalism and exceptional services. Here's a look at my approval timeline: 2022.10: Submitted NIW ...2023.2 : NIW I-140 approved in just 4 months. I used the NIW I-140 to secure the priority date. In 2024, I consulted Dr. Zhang for an evaluation of my case to explore the possibility of applying for EB1A. She offered practical advice to strengthen and enhance my case. In January 2025, I reached out for another evaluation, and after reviewing my materials, Dr. Zhang promptly advised proceeding with the application. 2025.2. Submitted EB1A 2025.4 : EB1A approved through the premium processing (PP) service. 2025.5 : Submitted I-485 2025.6 : Completed fingerprinting for I-485 2025.8 : I-485 approved. I accomplished everything within half a year, exceeding my expectations. I owe a great deal of gratitude to Dr. Zhang for her strategic case analysis and letter writing. I am also incredibly thankful to Xiao Yang for her timely communication, coordination, and meticulous work in organizing my materials.

Posted by Shun | February 22, 2025 | Hired Attorney | Immigration

Effective and affordable

I was introduced to Mangmang Cai by my close friends because they have managed to get their Green Cards by working with New Weiming Law Group. My professional background is a mix of academia and industry. I was not sure how my credentials can meet the USCIS' requirements initially. Luckily, I have ...received effective and timely feedback from Yangyang Zhang and Xiao Yang. My case has been approved! I would recommend New Weiming Law Group's service to someone considering getting a Green Card!

Posted by Ardy | October 14, 2024 | Hired Attorney | Immigration

Effective immigration support by New Weiming Law Group

I was referred to Dr. Cai's NWL group by a close friend for my immigration application. Since the begining, Dr. Cai and his team have been professional and timely in their email responses. Dr. Cai made an intial determination on the suitability of my EB1A petition by the next day. He answered a multi...tude of questions that I had about my immigration status in a comprehensive manner. In addition to Dr. Cai, I have frequently interacted with Donald Forest and Xiao Yang in the entire process. Donald had several phone calls with me in which we discussed and strategized the manner in which my petition was presented. Additionally, he helped me in writing several sections. My petition intially received an RFE and Donald worked with me on how we could address it in the best manner possible. He was open to my suggestions and carefully assessed which ones would most likely satisfy the USCIS officer based on his experience. Xiao was meticulous in handling the several documents needed for the petition and was extremely responsive to the questions/clarifications I needed. Xiao also compiled the index of exhibits and made sure they were correctly categorized. Overall, I had a positive experience working with the NWM Law Group and the response to the RFE resulted in an approval.

Posted by Pushkal | October 02, 2024 | Hired Attorney | Immigration

Highly recommended for EB-1A I-140 petition

I was referred to Dr. Cai’s New Weiming Law (NWL) Group by my colleague who had a favorable experience working with them. NWL prepared my petition for EB-1A which was approved by USCIS. I had a wonderful experience working with NWL. The whole process was streamlined. They shared a detailed workfl...ow and expected timelines from the very first interaction. They prepared and organized all the evidence methodically. The communication was very good. They promptly answered all my questions, both over emails and calls. In my opinion, the petition that they prepared was of the highest quality. I would like to give a special shout out to Donald Forest who worked closely with me throughout the application process. Donald ensured that he understands my work and drafted the petition accordingly. He was able to communicate the significance of my contributions very well. All the evidence that we gathered contributed meaningfully to the application. If you are looking for a firm that would pay close attention to your work, understand its importance and not simply rely on number of papers/citations, then I would strongly recommend Dr. Cai’s NWL.

Posted by anonymous | September 29, 2024 | Hired Attorney | Immigration

Great work!

I am excited to share my experience with Dr. Cai Mangmang’s team. They are very professional and knowledgeable, guided me through every step of the process. I highly recommend New Weiming Law Group to anyone seeking immigration assistance.

See All Client Reviews

Mangmang Cai's Lawyer Endorsements

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Somair Syed Alam headshot
Somair Alam

Immigration lawyer | Feb 11

Relationship: Fellow lawyer in community

"I'm pleased to endorse Mangmang. He is a top-notch immigration lawyer and a zealous advocate for his clients. A highly recommended attorney."

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Experience

Rating:  7.8 (Very Good)

Honors

2005

Top 0.1% in LSAT, Law School Admission Council (LSAC)

1991

First Prize, Chemistry Competition, Education System in China

Work Experience

2009 - Present

Attorney, New Weiming Law Group

Associations

2017 - Present

American Immigration Lawyers Association

Member

2008 - Present

Virginia State Bar

Member

Sample of Legal Cases

EB-1A, EB-1B, NIW, O-1, H-1B, L-1, PERM, Family-Based, and other applications

Mostly approved. See https://nwmlaw.com/approvals/casesummaries

See More Legal Cases

Education

2008

Georgetown University Law Center

J.D.

2001

University of Maryland

Ph.D.

N/A

Peking University

BS - Bachelor of Science

Speaking Engagements

2019

Seminars at Harvard and MIT

Current Trends and New Developments in Employment-Based Greencard Application

Publications

Languages

English

Mandarin

Avvo Rating

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