Address: 6th Floor, Tri Viet Building, No. 01, Tran Quy Kien Street, Dich Vong Ward, Cau Giay District, Hanoi, Vietnam.
Phone: +84-24-37913084

Patent Lawyer Rankings 2023 Award winning law firm rankings

TRI VIET & ASSOCIATES is a registered and fully licensed IP & LAW FIRM based in Hanoi, Vietnam. The firm was founded by three Patent Attorneys and Lawyers, who have been involved and have nearly 30 years of experience and expertise in the field of intellectual property and litigation, since 1992.

Practice Areas and Jurisdictions

TRI VIET & ASSOCIATES provides clients with a full range of IP services, strongly focuses on PATENT and PCT services in Vietnam, Laos, Cambodia, Myanmar and in other jurisdictions upon client’s inquiries.

Industries and Technologies

TRI VIET & ASSOCIATES provides PATENT and IP services in a wide range of industries and modern technologies, including but not limited to: Aerospace / AgriBio / Agricultural / AgriFood / Agrochemicals / Architectural / Artificial Intelligence / Automation / Automotive / Aviation / Big Data / Biochemical / Biomedical / Biophysical / Biotechnology / Chemical / Chemicals / Clean & Green Technology / Clean Energy and Renewables / Cloud Solutions / Communications / Computer / Construction / Consumer Products / Cybersecurity / Digital / Ecommerce / Edutech / Electrical / Electromechanical / Electronic / Energy / Food & Beverage / Image Processing / Information Technology / Internet / Internet of Things (IoT) / Laser / Machinery / Manufacturing / Materials / Mechanical / Mechatronic / Medical / Metallurgy / Molecular Biology / Nanotechnology / Oil and Gas / Optical / Pakaging / Petro-Chemical / Pharmaceutical / Pharmaceuticals / Physical / Polymers / Printing / Robotics / Semiconductor / Signal Processing / Software / Sports, Fitness and Entertainment / Telecommunications / Textiles / Transportation / Unmanned Aerial Vehicles / Virtual Reality / Augmented Reality / Wearable & Fashion Tech / Wireless, etc.

Human Resource

TRI VIET & ASSOCIATES has a team of patent and trademark attorneys and practitioners, who hold law, science and engineering degrees and some of them hold advanced degrees from the universities in Vietnam and abroad. Besides, the firm has a network of local technical advisers from technical universities, science universities and research institutes who always support our patent staff in difficult, specific and high-tech cases.

Physical Resource

A computerized IP record management system (including hardware and software) together with the digitization of records enable us to store, manage, process and execute the works efficiently, quickly and accurately.

Professional Relationships

TRI VIET & ASSOCIATES has a good professional relationship and effective cooperation with state competent authorities to take protection, enforcement and handling infringements of client’s IP rights in Vietnam, such as Courts, Inspectorates, Market Management Agencies, Customs Offices, Police Agencies and the People’s Committees of all levels.

The location of TRI VIET & ASSOCIATES head office in Hanoi, the capital of Vietnam, about 6km away from NOIP, plus a close and professional relationship with NOIP, enable us to directly meet, work and discuss with examiners for solving any urgent and complicated problem concerning a pending application.

Awards & Ranking

– IP STARTS ranked firm by Managing IP Magazine for patent and trademark prosecution for 2017;

– IP STARTS ranked firm by Managing IP Magazine for patent and trademark prosecution for 2018;

– IP STARTS ranked firm by Managing IP Magazine for patent and trademark prosecution for 2019;

– Winner of the IP Law Firm of the Year Award in 2018 by Corporate Intl’ Magazine;

– Winner of the IP Law Firm of the Year Award in 2018 by Global Law Experts.


TRI VIET & ASSOCIATES is a member of INTA, AIPPI, APAA, VBF (Vietnam Bar Federation), HBA (Hanoi Bar Association), VIPA (Vietnam Intellectual Property Association).

With nearly 30 years of experience and expertise in the field of IP protection and enforcement in Vietnam, along with the above-highlighted strengths in professional experience, human resources, physical resources and professional relationships, all that enable TRI VIET & ASSOCIATES to provide IP services in general and PATENT services in particular to the domestic and international clients in all technical fields, ranging from multinational companies to individual inventors in a qualitative, effective, reliable, and cost-effective manner.


Team Members

Nguyen Duc Long (Mr.)

Managing Partner

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