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Joyce Yan

Patent Agent

E-mail: patent@changtsi.com
Phone: +86 88369999

Joyce Yan has 13 years of experience in patent drafting, patent translating, patent prosecution, and analysis on patent infringement matters, etc. She is also experienced and successful in handling Office Action issued by CNIPA, including cases before the Patent Reexamination Boar .

Practice Areas

  • Specialized in patent drafting, patent translating, patent prosecution, and analysis on patent infringement matters, etc.

Technical Fields

  • Chemistry including polymer chemistry and electrochemistry
  • Biology

Years with IP Matters

  • 13 years

Professional Experiences

  • Patent Attorney, Chang Tsi & Partners, Beijing, China
  • Patent Attorney, Jeekai & Partners, Beijing, China

Representative Clients

  • XYLECO, INC.
  • CEMPRA PHARMACEUTICALS, INC.
  • COMMISSARIAT A L‘ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
  • TOTAL MARKETING SERVICES
  • THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
  • JW PHARMACEUTICAL CORPORATIO
  • EDWARDS LIFESCIENCES CORP
  • AVERY DENNISON CORP
  • RICOH ELEMEX CORP
  • BEOING CO.

Education

  • Tianjin University     Master of Membrane Science and Technology               (2007)
  • Shandong University of Technology       Bachelor of Chemical Engineering & Technology       (2005)

Bar Admission

  • China Patent Bar (2015)

Languages

  • Chinese
  • English

Team Overview

With over 350 legal professionals with a diversified background, Chang Tsi & Partners offers clients deep expertise and professional experience, leading to successful legal solutions. Our attorneys are always praised for their sharp insights into the policy, and their pragmatic commercial awareness. Qualified to practice in other jurisdictions, our attorneys can maximize the profit of clients in different areas.