Allen Z.Y. Xue Ph.D.


Office Phone: (703)745-5495
Cell Phone: (571)379-9531

Dr. Allen Xue’s practice emphasizes patent prosecution, patent transactions, and strategic counseling. He has addressed inventions in process chemistry (e.g., petrochemical and fuel processing), organic chemistry (e.g., pharmaceutical compounds), material science and metallurgy (e.g., polymer, heterogeneous catalysis), medical devices (e.g., heart stent, robotic surgical instruments), mechanical device (e.g., reactors, fuel cells), and clean energy technologies (e.g. exhaust treatment, fuel cell technologies). Other areas of Allen’s practice include due diligence investigation, opinions writing regarding patent infringement and validity, and IP management counseling.

Allen also has significant experience in litigation, including participating in two high profile 337 investigations at the International Trade Commission.

Allen has extensive experience as an engineer and a researcher, having served a combined eight years in the petrochemical industry and the renewable energy industry. Towards the end of his tenure in industry, Dr. Xue also served as an in-house IP manager. Allen’s extensive experience in industry brings unique perspectives to his counseling practice. In this respect, he appreciates business concerns and focuses on clients’ business goals in rendering legal services.


Patent Prosecution
Patent Opinion
Trademark Prosecution
IP Litigation

Bar Admissions

Supreme Court of the United States
U.S. Patent and Trademark Office


J.D., The George Washington University Law School
Ph.D. in Chemical Engineering, Iowa State University
B.S. in Chemical Engineering, East China University of Science and Technology

Professional Affiliation

American Chemical Society
American Intellectual Property Law Association