Dr. Mangmang (Eric) Cai earned his Juris Doctor degree from the Georgetown University Law Center, Washington, D.C. Prior to earning his law degree, he received his Ph.D. degree in Organic Chemistry from the University of Maryland, College Park, and a Bachelor of Science degree in Chemistry from Peking University, China. Holding a professional law degree and a hard science degree from the most prestigious universities in the United States and China, Dr. Cai has acquired the knowledge and expertise to provide a full range of legal services in a manner rarely matched by other law firms. His practice focuses on Patent Law, U.S. Immigration Law, Commercial and Business Law, Intellectual Property, and Litigations. Prior to founding the New Weiming Law Group, Dr. Cai also worked for several major U.S. law firms and a lobbying group in the Washington, D.C. metro area. He has successfully advised and represented clients in cases involving immigration, patent application, contracts, and a variety of other legal matters.
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Practice Area
18 years
Sometimes
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Chat withState: District of Columbia
Acquired: 2009
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State: Virginia
Acquired: 2008
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7925 Jones Branch Drive, Suite 5150, Tysons, VA, 22102
252 Client Reviews
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 ...
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 ...
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...
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...
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.
"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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2005
Top 0.1% in LSAT, Law School Admission Council (LSAC)
1991
First Prize, Chemistry Competition, Education System in China
2009 - Present
Attorney, New Weiming Law Group
2017 - Present
American Immigration Lawyers AssociationMember
2008 - Present
Virginia State BarMember
Mostly approved. See https://nwmlaw.com/approvals/casesummaries
2008
J.D.
2001
Ph.D.
N/A
BS - Bachelor of Science
2019
Current Trends and New Developments in Employment-Based Greencard Application
2007
2002
2000
2000
English
Mandarin