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  • Elisabeth Haub School of Law at Pace University, J.D.
  • Master of Diplomacy Studies, China Foreign Affairs University
  • B.S. Computer Science and Engineering, Beijing University of Aeronautics and Astronautics
Tianlin (David) Liu
Professional Experience

David is a Technical Advisor with experience in drafting and prosecuting patent applications in computer-related and other electrical technology areas, such as consumer electronics, software, artificial intelligence, electrical engineering, automatic control, telecommunications, network and image processing.

Most recently a patent attorney in China, David has represented various clients in patent license negotiations and settlement discussions before the Supreme Court of China, the Intellectual Property Court of Beijing, the Patent Reexamination Board (PRB) of State Intellectual Property Office (SIPO) and various provincial agencies.

Representative Matters

  • Represented a Chinese manufacturer of computer cables and connectors in an appeal to the Intellectual Property Court of Beijing
  • Represented a laptop fan manufacturer from Taiwan in an appeal to the Intellectual Property Court of Beijing
  • Represented a Korean display manufacturer before the Patent Reexamination Board of SIPO to Petition for inter parties Review
  • Represented a multinational provider of consumer electronics products in a patent infringement action before the Intellectual Property Court of Beijing
  • Represented a well-known cell phone provider in a patent invalidity application to Patent Reexamination Board of SIPO, which successfully obtained invalidity of all asserted patent claims on multiple grounds
  • Represented a real estate development company in application for retrial of contract dispute before the Supreme Court of China
  • Represented a new energy company of Norway in a contract litigation case before District Court of Jiangsu Province.


Professional Associations
International Association for the Protection of Intellectual Property, also known as AIPPI
Asian American Bar Association of New York (AABANY)
New York Intellectual Property Law Association (NYIPLA)
American Intellectual Property Law Association (AIPLA)
Beijing Lawyers Association
All China Lawyers Association

Bar and Court Admissions
Patent Bar of China


Life Beyond the Law
David is an avid photographer and also enjoys cooking. He is a registered cook in China.