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Peng Liu

Patent Agent

Phone: +86 10 88369999

Liu Peng has been engaged in intellectual property work since he graduated from graduate school in 2015. Liu Peng is mainly responsible for patent application, response to Office Action, reexamination, drafting of domestic and foreign patent applications, patent mining, etc., and has handled more than 700 patent application documents and responses to Office Action. Patent services have been provided for Baidu, Goldwind, LeTV, MIUI, iQIYI, Zhuhai Jinshan, Cheetah Mobile, Hikvision and many other customers. Professional fields cover mechanical, electrical, Communication and other fields.

Practice Areas

Domestic and Foreign Patent Applications, Comments and Responses to Office Action

Technical Fields

  • Mechanical
  • Electricity
  • Electronic engineering
  • Communication

Years with IP Matters

  • 5 years

Professional Experiences

  • Patent Agent, Chang Tsi & Partners, Beingjing, China (2020 until now)
  • Patent Engineer, An Intellectual Property Law Firm, Beijing, China (2016 - 2020)
  • Patent Engineer, An Intellectual Property Law Firm, Beijing, China (2015 - 2016)

Representative Clients

  • Baidu (Baidu Online Network Technology (Beijing) Co., Ltd.)
  • H3C (Hangzhou H3C Telecom Technology Co., Ltd.)
  • MIUI (Beijing MIUI Technology Co., Ltd.)
  • Hikvision (Hangzhou Hikvision Digital Technology Co., Ltd.)
  • iQIYI (Beijing Qiyi Century Technology Co., Ltd.)
  • Zhuhai Jinshan (Zhuhai Jinshan Software Co., Ltd.)
  • Cheetah mobile (cheetah mobile Inc)


  • Master of science, North China Electric Power University (2015)
  • Bachelor of science, Hebei University of science and technology (2012)


  • 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.