is one of Thailand's leading and most widely recognized international law firm.



Brief History of the Firm

Our firm, established in 1966 by MR. SANGUAN LEWMANOMONT, expanding it in 1973 to serve the international legal and business consultants. LEWMANOMONT INTERNATIONAL LAW OFFICE (LILO®) is one of Thailand’s leading and most widely recognized international law firm. The firm has been providing a professional legal and consultancy services to the international and national clients. The 39 years, the firm has expanded significantly with services being offered in all substantive areas of law and consultant by team of legal expertise and business backgrounds, which maintains excellent relationship with government authorities as well as China and other countries which MR. SANGUAN is the Secretary General of Thai-Chinese Friendship Association, also the Secretary General of Thai-Chinese Promotion of Investment & Trade Association which is a counterpart organization of China Council for the Promotion of International Trade (CCPIT).

The 39th Anniversary of the firm which prides itself on the highest ethical integrity with staffed of 12 lawyers/counselors, 10 paralegal, 4 trademark-patent attorneys, 4 accountants.

We are one of the leading Law Firm in Thailand since 1966 and also one of the oldest Law Firm, which has been proudly owned by Local Professional Lawyers. It is our pleasure to provide high quality professional service, honesty and representation in a cost-conscious fashion.

We are also officially authorized Patent & Trademark Agent in Thailand. Our lawyers combine diverse technological & business backgrounds with extensive trial experience in complex litigation and passed the exam & authorized as Patent agent from Intellectual Property Department, Ministry of Commerce. Our attorneys also assist clients in all general practices, corporate, information technology, investment, real estate and also in all aspects of intellectual property matters including trademarks, patents, copyright, trade secrets and unfair competition.

We are friendly professional that have experience working with domestic and international trademark, patent and copyright for several Fortune 500 companies such as Shell Oil, Pennzoil, E-Trade, ALDO Group, JC Penny, as well as mid-sized companies, public companies and entrepreneurial start ups in our country such as AMATA Public Company, Osotspa Co., Ltd, Thai Fish Sauce Co., Ltd, Thai Agri Foods Public Company, S.C.S co., Ltd. We also provide all other legal services which include General Practice, Corporations, Taxation, Investment, Finance & Alien Law, Internet Business, Software licensing and E-comme rce Law.

We also provide our IP legal service worldwide, especially in Southeast Asia including Vietnam, Cambodia, Laos, Myanmar, Malaysia, Indonesia, Philippines and China.

Company News & Update Activities

International seminar on intellectual property protection for high & new technologies and university technology licensing in Shanghai, China on OCT 16-17, 2003


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