Jay Gao

Attorney at Law Patent Attorney

Mr. Jay Gao has over ten years of practice experience in intellectual property. His core practice focuses on patent-related litigation and non-litigation legal services. He specializes in patent prosecution, invalidation, patent infringement litigation, intellectual property commercialization, and cross-border legal consulting. He also has case-handling experience in trade secrets, trademarks, copyrights, unfair competition, antitrust and other IP-related areas. The technical sectors he serves cover biopharmaceuticals, medical devices, photovoltaic semiconductors, liquid crystals, new energy batteries, chemical engineering, traditional machinery manufacturing, artificial intelligence, etc. In the biopharmaceutical and medical device sectors, he handles drug patent linkage disputes, patent listing and declaration strategy on the patent information registration platform for marketed drugs, drug patent invalidation, FTO analyses for pharmaceutical products and IP due diligence on biotechnology assets, and provides transaction support on patent valuation and royalty models. He is qualified both as a Chinese Attorney at Law and as a Chinese Patent Attorney, works in Chinese and English, and communicates directly with overseas clients and issues bilingual legal opinions.

+86 10 88369999
Patent & Technology / Plant Variety Protection
Beijing

Practice Focus

  • Patent & Technology 
  • Litigation & Disputes Resolution
  • Corporate Law and IP Commercial
  • Patent Dispute & Invalidity
  • IP Strategy & Risk Management
  • IP Transaction & Commercialization

Technical Field

  • Semiconductor Technology
  • Telecommunications Technology
  • Mechanical Design
  • Manufacturing Processes
  • Automotive Engineering
  • Pharmaceutical Research and Development
  • Medical Devices
  • Genetic Technology
  • Biotechnology
  • Organic Chemistry
  • Inorganic Chemistry
  • Polymer Chemistry
  • Environmental Chemistry
  • Artificial Intelligence
  • Renewable Energy
  • Energy-Saving Technology
  • Environmental Protection
  • Water Treatment Technology

Years with IP Matters

  • 2012 until now

Professional Experience

  • Lawyer & Patent Attorney, Chang Tsi & Partners, Beijing (2026 – Present)
  • Lawyer & Patent Attorney, Lawjay Partners associated with Bird&Bird, Beijing, China (2024 – 2026)
  • Lawyer & Patent Attorney, LexField Law Offices, Beijing (2023 – 2024)
  • Lawyer & Patent Attorney, Global Law Office, Beijing (2022 – 2023)
  • Patent Attorney, Dragon Intellectual Property Law Firm, Beijing (2018 – 2022)
  • Patent Attorney, China PAT Intellectual Property Office, Beijing (2012 – 2018)

Representative Matters

IP Litigation and Dispute Resolution

  • [2025] | Patent invalidation: Represented Bando Kiko, a Japanese manufacturer of glass plate processing equipment, in a portfolio of patent invalidation, administrative adjudication and patent infringement litigation matters against Chinese entities in China.
  • [2025] | Pharmaceutical patent invalidation: Represented Nestlé, a  multinational food and nutrition company, in patent invalidation proceedings in China against another European entity.
  • [2024] | Chemical materials patent Participated in a series of patent invalidation and infringement litigations in China for Sekisui Chemical, a Japanese chemical materials enterprise, against Chinese entities.
  • [2023] | Drug patent linkage Participated in a series of drug patent linkage litigations and patent infringement dispute cases in China for Puma Biotechnology, a US pharmaceutical enterprise, against Chinese entities.
  • [2024] | Polymer materials patent: Participated in infringement litigation matters in China for Solvay, a European polymer materials enterprise, against Chinese entities.
  • [2022] | Trade secrets and patent ownership: Participated in a portfolio of trade secret infringement and patent ownership dispute cases for WM Motor, a Chinese new energy vehicle enterprise.

IP Commercialization

  • [2022] | Technology joint venture contract: Provided legal advice on drafting and revising a Sino-foreign technology joint venture contract for a US energy enterprise operating in China.
  • [2022] | Freedom-to-operate analysis: Conducted FTO analyses for multiple Chinese enterprises covering chemical processes, surgical robots, electroporators and antibody-drug conjugates; also performed FTO analysis on dialysis machines for a European enterprise.
  • [2022] | IP due diligence: Provided IP due diligence services for a Chinese investment company on financing projects targeting multiple enterprises including a Chinese biopharmaceutical company and a Chinese medical device enterprise.
  • [2022] | Biotechnology patent assignment and licensing: Assisted a Chinese biopharmaceutical company in negotiations with a Chinese public institution for patent technology transfer and licensing.

Cross-border Legal Advisory

  • [2023] | Cross-border trade secret dispute: Provided litigation strategy support on trade secret infringement disputes before US federal courts for a foreign-invested AI enterprise.
  • [2022] | US Section 337 investigation: Advised a Chinese food additive enterprise on responding to US Section 337 investigations and US patent infringement litigations.

Education

  • Master of Science (Chemistry), The University of Tennessee, Knoxville (2012)
  • Bachelor of Science (Chemistry), Jilin University (2010)

Bar Admission

  • China Bar
  • China Patent Bar

Languages

  • Chinese
  • English