Before joining legal practices, Mr. Long worked in Compliance Department of VMS-Mobifone, one of the biggest mobile telecommunication service providers in Vietnam. His duties were reviewing and handling client’s claims in term of legal aspect as well as involving in outlining marketing programs.

Mr. Long is the founder of the firm is now the Managing Partner in charge of overall management and operation of the firm with 05 offices in Vietnam (Ho Chi Minh City, Hanoi, Bac Ninh, Can Tho & Ha Tinh) and 01 office in Phnom Penh, Cambodia. He has extensive experience and expertise in intellectual property law, enforcement, commercialization of IPRs, corporate & investment.

During over 22 years of practice, Mr. Long has been engaged and successfully advised and assisted numerous clients, including local giants and MNCs, to initiate, operate and expand their business activities as well as to establish, protect and explore their intellectual property rights in Vietnam. Mr. Long is also active in advising and acting for clients in the matters of intellectual property laws in Cambodia, Laos.

Mr Long is the Speaker at numerous seminars and workshops on intellectual property organized by the Intellectual Property Office of Vietnam, MUTRAP Project, and many Departments of Intellectual Property nationwide. He is also engaged by WIPO as Chief Consultant for a research project about the barriers to the use of PCT system in Vietnam.

As one of founding member of Vietnam Invention Association, Mr. Long is currently acting as Deputy Secretariat General cum Chief of Expertise Committee of Vietnam Invention Association (VIA). 

Mr. Long is currently the representative of Vietnam in the Anti-Counterfeiting Committee of Asian Patent Attorney Association (APAA) and also the non-tenure lecturer at Judiciary Academy.