D&N International



Practice area

IP STARS Reviews


D&N International deals with contentious and non-contentious IP work. The firm is recommended for patent protection work in Vietnam. Chemical, biotechnology, mechanical and electrical engineering are notable sector strengths. Its practitioners also understand the IP protection systems in Laos, Cambodia, and Myanmar. Thi Hong Thuy Dang and Viet Cuong Dang are key patent contacts. Work highlights show the firm advised Quang Trung Mechanical Enterprise on patent protection.

Trade mark

D&N International specialises in litigation and enforcement of trade mark and domain names. Led by five partners, the firm advises and represents clients in trade mark clearance, portfolio management, litigation, enforcement and anti-counterfeiting.

Partner Dang Thi To Hang heads the firm's trade mark and copyright department. She has considerable knowledge in Vietnam, Laos, and Cambodia, with a particular focus on trade mark prosecution and enforcement.

Work highlights include partners Nguyen Dang Vu Long and Nguyen Hong Nhung represent American Airlines in a trade mark infringement case regarding the client's registered mark.