
IP powerhouse Liu, Shen & Associates covers a wide array of matters relating to patent and trade mark infringement, validations and due diligence. The firm’s strong bench of lawyers possesses a background in science and has a longstanding reputation for providing expertise in IP applications, litigation and strategic analysis to domestic and international enterprises. The practice is led by seasoned duo Allen Tao, recently handling patent infringement and SEP licensing matters, and Michelle Ma, an expert in patent filing, prosecution and invalidations in the mechanical engineering and design patent field. Hu Qi boasts over two decades of experience and is equipped to handle both dispute resolution and non-contentious matters for technology multinationals. Other notable lawyers include Xiaoning Yu.
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Key clients
- Beijing Roborock Technology Co.,Ltd.
- Panasonic Holdings Corporation
- Largan Precision
- Ford
- Eisai R&D Management Co., Ltd.
- Jiangsu Hailai Xinchuang Medical Technology Co., Ltd.
- Foshan Giiker Innovation Co., Ltd.
- Solventum
- BOE Technology Group Co., LTD
- Beijing Roborock Technology Co.,Ltd.
- Panasonic Holdings Corporation
- Largan Precision
Work highlights
Acting in the case of Jiangsu Hailai Xinchuang Medical Technology Co., Ltd., an important reference for IPR compliance for pharmaceutical products or medical devices in the clinical trial stage. It crafted a winning strategy leveraging forensic evidence and expert testimony, safeguarding the client’s R&D investments and market position.
Acted on a high-stakes patent infringement settlement. Secured a landmark settlement in a high-profile patent infringement case involving plastic aspherical lens design and production, assisted the negotiation between Largan Precision and Foxconn in China.
Representing the Roborock vs. Dreame case. The Intellectual Property Court of the Supreme Court was able to conclude the case within 10 days of receipt of the application in accordance with the law, which effectively demonstrated the judicial relief function and judicial reform effect of the new system of behavioural preservation review.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Allen Tao; Michelle Ma
Other key lawyers
Stephen Zou; Hu Qi; Xiaoning Yu
