Patent prosecution & strategy
Invention identification, patent drafting, responses to office actions and reexamination, informed by product development and R&D plans.
Lawyer · Patent Agent
Chen Cheng
Intellectual property work grounded in technology and business. A background in physics, computer software and law informs my approach to patent protection, product risk and corporate IP decisions.
- Telecommunications
- Software & AI
- Brain–computer interfaces
- Intelligent vehicles
Working languages: Chinese / English
01
Practice areas
Invalidation & disputes
Patent validity assessment, prior art research and evidence comparison for invalidation proceedings and related disputes.
FTO & design-around
Freedom-to-operate analysis based on the target market, product design and relevant patent claims, with assessment of design-around and licensing options.
Corporate IP management
Support for investment due diligence, patent licensing and acquisitions, trademark portfolios, patent review procedures and trade secret management.
02
Professional background
My experience spans patent agency practice and in-house IP roles at technology companies. It covers prosecution and disputes as well as R&D collaboration, international portfolios and investment due diligence. I work in Chinese and English.
Technical education
- Beijing University of Technology · MSc, with a focus on quantum computing and quantum information
- Northeast Normal University · Bachelor's degrees in physics and computer software
Technical and commercial context
- Patent work involving software, telecommunications, digital signal processing, electronics and semiconductors
- In-house patent review, portfolio management and coordination with overseas counsel
- Experience across legal practice and patent agency proceedings
03
Selected matters & projects
Selected experience drawn from my professional record. Client identities have been omitted. Past matters do not predict future outcomes.
01 / PATENT DISPUTES
Invalidation proceedings leading to settlement
During my work at a patent agency, I represented a client in invalidation proceedings against a competitor's patent. The proceedings helped the parties reach a commercial settlement, linking the patent challenge to the broader business dispute.
02 / INTELLIGENT VEHICLES · R&D
Building a patent programme around R&D
In an in-house IP role at an intelligent vehicle company, I established patent management, incentive and workflow procedures. Alongside the company's filing programme, I independently researched, drafted and handled office action responses for more than 100 applications involving AI, autonomous driving, new energy and mechanical technologies.
03 / BRAIN–COMPUTER INTERFACES
Portfolio management and industry research
At a brain–computer interface company, I handled patents involving brain–computer interfaces and EEG medical devices, monitored competitor patents, participated in patent reviews and planned overseas filings. I also contributed to projects concerning patent analysis and industry IP reports in this field.
04 / AUDIO TECHNOLOGY · INTERNATIONAL IP
Coordinating filings and patent transactions
In an audio technology company, I coordinated patent matters in China, the United States, Europe, Australia and other jurisdictions. The work involved PCT, Hague System and direct filing routes, together with patent licensing and acquisition projects.
05 / INVESTMENT · CORPORATE IP
IP due diligence across financing rounds
In an in-house role at an internet company, I assisted with IP due diligence for Series B, C and C+ financing, IP reviews of acquisition targets and related transfers of rights. I also organised patent reviews, invention identification and competitor patent monitoring.
06 / TECHNICAL STANDARDS · TRADE SECRETS
Standards development and internal protection
In a group-level patent and standards role, I coordinated work on the initiation, drafting and publication of 16 association standards. I also worked with the IT department on information security and trade secret protection, including internal confidentiality rules.
04
Working together
- What should I include in an initial enquiry?
- A brief description of the technology or product, the issue and any known deadline. For disputes, please identify the parties for a conflict check. We can agree on a suitable channel before exchanging confidential technical documents or case files.
- Can we work in English?
- Yes. I communicate in Chinese and English and coordinate with local counsel on overseas IP matters. The jurisdictions, scope of work and responsible professional entity are agreed before engagement.
- How are scope and fees agreed?
- They depend on the materials, procedural stage, deadlines and work involved. Engagement is subject to a conflict check, an appropriate professional entity and written terms.
05
Contact
Contact me by phone, WeChat or email with a brief outline of your matter and timing.
