Deacons > Beijing, China > Firm Profile

BEIJING 100738

China > Intellectual property: foreign firms Tier 2

Deacons‘ Hong Kong-based IP team, which also leverages support from representative offices in Beijing, Shanghai and Guangzhou, acts for some of the world’s best-known brands. The firm houses patent attorneys, who are  qualified in Australia, China, Europe and the UK, and has a longstanding track record  in handling large trade mark portfolios and prosecution matters. The IP department is co-led by IP expert Charmaine Koo, and Annie Tsoi, who consistently acts for leading companies from the luxury goods, cosmetics, pharmaceutical, entertainment, fashion and electronics sectors. Also integral to the group are patents and designs practice leader, Catherine Zheng, a specialist in China IP protection strategy and contentious matters; Dora Si, who provides 'quick responses' and 'firm and concise advice', and advises on China-related data privacy and cybersecurity issues; and China-focused technology specialist Ian Liu, who is particularly active in IP litigation and enforcement work, along with commercial IP matters.

Practice head(s):

Charmaine Koo; Annie Tsoi

Other key lawyers:


‘The Deacons IP team is very accurate, providing clear advice on how clients should proceed after analysing matters.’

‘The lawyers show concern about what matters to clients’ businesses and the challenges they face. Accuracy and professionalism are what clients value most in this team.

The team discusses all aspects of all issues and provides appropriate professional advice.

‘Particularly useful that the group’s practitioners handle both HK and China trade mark portfolios.’

Great for not only evaluating cases from a legal perspective, but also from a practical angle.

‘Annie Tsoi and Dora Si are rated for their experience, patience and professionalism. They impress with their informative presentations, which point out all the challenges and weaknesses clients have within their trade mark matters, and what improvements they could make.’

Annie Tsoi and Doris Si provide a very professional service.

‘Dora Si – quick responses, proactive, and firm and concise advice.’

Key clients

Ping An Group


Alibaba Group

Hong Kong Science and Technology Park


China > Labour and employment: foreign firms Tier 3

Advising regularly on sensitive employment-related matters, Deacons is adept at assisting its clients with navigating the complexities of PRC labour law. PRC Bar qualified Helen Liao advises both Chinese state-funded enterprises and multinational companies across a range of industries including shipping, telecoms and tourism. Liao's key areas of expertise include cross-border employment arrangements, income tax compliance, immigration and more generally, the multi-jurisdictional labour issues arising from global talent mobility. Notably, the firm counts other law firms among its client roster which it advises on high-level terminations.

Other key lawyers:


‘Everything delivered has been exceptional’.

‘Helen Liao had been most helpful in providing sound and practical legal advice and excellent delivery of works and communications.’

‘The Deacons employment team can undertake both HK and PRC legal work – a rarity in HK.’

Helen Liao is very responsive and knowledgeable.’