Nguyen Thi Yen, BSc.
Senior Trademark Attorney*

Registered Patent Attorney

[*former trademark examiner]

(84) 4 3569 0868

(84) 4 3569 0899


Nguyen Thi Yen is an excellently high-ranking specialist in all aspects of trademark law. Her practice experience covers the whole spectrum of trademark matters, including, but not limited to trademark processing, availability and registration searches, clearance, due diligence, licensing, counseling and issuing opinions on pre-filing and post registration proceedings including the renewal and management of trademark portfolios. Her experiences is very specialized in advising the clients on trademark registrability and availability on absolute and relative refusal grounds. She is also proficient in drafting response to office action. Mrs. Yen has expertise in handling litigation, appeals, opposition filings and cancellations. In addition, her extensive experience also concentrates on examining in determining the infringement action over the trademark rights

Mrs. Yen has regularly been invited by Vietnam National Office of Intellectual Property (NOIP) and Vietnam Intellectual Property Research Institute (VIPRI) to provide the National Trademark Examiners of the NOIP with the training in the trademark law.


Prior to joining ACTIP IP Limited to hold a senior trademark attorney and general counsel in the trademark field, Mrs. Yen has more than 20 years of trademark experience as one of the first senior Trademark Examiners of the first-generation examiner of National Office of Intellectual Property (NOIP) since from its foundation date on 1982. After leaving the NOIP, she had worked for a local IP Agent for 3 years as a senior expert in the trademark matters before serving for Vietnam Intellectual Property Research Institute from 2007 to the end of 2011. Through 30 year experience in the field of trademark with the various positions, she had examined and prosecuted enormous complex trademark applications and litigation trademark cases.


Mrs. Yen obtained a Bachelor of Science in Metallurgy Engineering in 1970 from Hanoi University of Mining and Geology, Vietnam. She is a licensed and registered Patent Attorney in Vietnam.


Vietnam National Office of Intellectual Property

Lao Patent & Trademark Office

Cambodia Trademark Office

Myanmar Registry