CMS

Firm overview:

CMS operates in Beijing, Shanghai, and Hong Kong, providing full-service IP and legal support to multinational and Chinese clients. The firm’s services include patent portfolio management, filing strategy, enforcement, transactional due diligence, and dispute resolution. The Greater China IP team collaborates with CMS’s London patent prosecution team to deliver end-to-end support across advisory, global prosecution, commercialisation, and enforcement.

Patent prosecution is a cornerstone of the firm’s China IP practice. The team leverages various artificial intelligence (AI) tools and has started to create specific AI-driven tools for clients, such as CMS Umbra which enhances patent portfolio management.

As a top-10 global firm with over 10,000 professionals in 90+ offices, CMS leverages extensive global resources to support major transactions and complex IP matters. The firm is also part of the Life Sciences Asia-Pacific Network (LAN), offering coordinated legal and regulatory expertise across the region.

Team overview:

Jonathan Chu heads CMS’s IP practice in Hong Kong and Beijing, leading the Greater China team on complex patent matters. He advises on patent prosecution, enforcement, licensing, technology transfer, and IP due diligence, handling high-profile disputes and strategic transactions across life sciences, TMT, consumer goods, and entertainment. His experience coordinating cross-border enforcement campaigns ensures seamless support for clients’ patent portfolios in Hong Kong and Mainland China.

Supporting Chu, Mengyi Chen focuses on patent enforcement, licensing, and technology commercialisation. Qualified in Hong Kong and the Greater Bay Area, she advises on high-value patent disputes and transactions, with significant experience in data privacy and the digital economy, particularly in life sciences, entertainment, and technology.

Candy Tong manages patent prosecution, portfolio strategy, and cross-border enforcement. She helped establish CMS’s first IP filing practice in Asia, doubling the firm’s IPR portfolio in Hong Kong, and provides guidance on contentious and non-contentious patent matters, including commercialisation and global portfolio management.

Key matters:

• Patent filing in Hong Kong: Life sciences

The team has handled various patent filings in Hong Kong, including biotechnology and pharmaceutical companies from the US, Japan and Europe, and education/research institutes from China and the US.

These cover a multitude of life sciences innovations, from systems for treating pulmonary infections to ultrasound-guided therapies and cancer treatments.

• Patent filing in Hong Kong: Technology

The team has assisted domestic and international clients with patent applications in various technical fields.

The patents have covered data processing methods, road-making materials, wireless communication systems and other inventions.

• Worldwide IP filing strategy

The team drew on its expertise both within and outside of China to advise a client on its worldwide IP filing strategy, including patent applications in the EU, Japan, Mainland China and Hong Kong.

Clients:

American Express, Bank of England, Decathlon, Dolby, Hong Kong Science and Technology Parks Corporation (HKSTP), Jaguar Land Rover, Samsung, Seagate Technology, The Government of the Hong Kong Special Administrative Region, UPS