
Particularly impressive in patent prosecution cases, AFD China Intellectual Property Law Office assists domestic and foreign clients on a wide array of IP matters, including strategy, filing standard patents and invalidation matters. The team is led from the Beijing office by founding partner Xia Zheng and co-head Mingzhao Yang. Zheng is reputed for her expertise in IP strategy, prosecution and post-grant proceedings, while Yang is well-versed in patent filing, re-examination and prosecution.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team stands out for its exceptionally fast response times and a proactive approach that truly guides clients through every step of the process. They go beyond what is strictly required. Their advice is consistently delivered with a strong economic perspective, ensuring that clients receive not only legal precision but also commercially sound guidance.’
- ‘The team is very professional. They deliver high-level services, and the quality of their work is outstanding.'
- 'They prioritise achieving high levels of customer satisfaction.'
- 'The team are precise, competent, reliable and very fast in responding.'
- 'The firm is an excellent choice for China.'
- ‘The firm is perfect in every aspect of their service.’
- 'I highly value the collaboration with AFD China. Their professional and prompt handling of our cases is exceptional.'
- ‘Xia Zheng stands out for the quality of her work, as well as her responsiveness and effort to achieve the best possible result for the client in any given matter.’
- ‘Working with Xia Zheng has been an outstanding experience. As the founder, she combines deep technical expertise with clear, thorough advice, and her availability and responsiveness are truly exceptional. What makes her stand out from competitors is not only the quality of her work but also her proactive and collaborative approach, which creates a highly effective and enjoyable working relationship.’
- ‘Xia Zheng and her team are technically and legally very qualified.’
Key clients
- Lincoln Global
- Nike
- Meta Platforms
- Lear
- Cummins
- Meritor
- Anheuser-Busch
- Cherry
- Volvo
- Lincoln Global
- Nike
- Meta Platforms
- Lear
- Cummins
- Meritor
- Anheuser-Busch
- Cherry
- Volvo
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Xia Zheng; Mingzhao Yang
