Lawyers and Counselors

Law Firm in Bangkok, Thailand

Dej-Udom Krairit, Esq.

Founder and Managing Director

Dej-Udom’s esteemed roles in the legal arena are numerous and varied, setting him apart as a versatile leader in his field. He served as President of the Inter-Pacific Bar Association from 1999 to 2000 and held the consequential roles of Secretary-General and Foreign Affairs Director of the Thai Bar. He has also been honored to serve three distinguished terms as the President of the Lawyers Council of Thailand. His leadership extended to the Association of Asian Patent Attorneys (APAA), where he was Vice President in the early 1980s, and was also an ex council member. In each of these positions, Dej-Udom has demonstrated an unparalleled commitment to elevating the standards of legal practice, both domestically and internationally.

Worawut Krairit, Esq.
Senior Partner & Executive Director
Fields of Specialization – Corporate Law, Customs, Taxation, Property, and Intellectual Property


Before taking on his role as Dej-Udom & Associates’ Executive Director, Mr. Worawut Krairit spent a number of years as a corporate tax and business consultant for SGV, the local representative of Arthur Andersen. Since joining the firm in 1988, he has been responsible for providing legal advice to major corporate clients, both Thai and international, and in addition to his other duties, Mr. Krairit has worked closely with many major Fortune 500 companies in obtaining Board of Investment privileges. Mr. Krairit is a graduate of Thammasat University (1975) and was admitted to the Thai Bar in 1976.

Nipa Pakdeechanuan, Esq.
Senior Partner & Executive Director
Fields of Specialization – Corporate Law and Incorporation & Startup

Nipa Pakdeechanuan is the firm’s senior corporate partner and has advised many foreign clients on the regulations and requirements for establishing businesses in Thailand. Her areas of expertise include undertaking legal due diligences for foreign companies entering into joint ventures with Thai companies and obtaining the business licenses, certificates and permits for all company and industry types. She has also handled the registration of many companies under the Treaty of Amity and Economic Relations between Thailand and the United States. She graduated from Thammasat University in 1987 where she also obtained a Business Law Diploma in 1998. She was admitted to the Thai Bar in 1990.

Poondej Krairit, Ph.D.
Senior Counsellor
Fields of Specialization – Intellectual Property and Technology Law


Dr. Poondej Krairit is the Head of the Intellectual Property Department and a recognized expert on Intellectual Property matters. He is a post-graduate of Boston University and holds a PhD in Computers and Engineering Management from Assumption University. He currently serves on the Committee of the Design Group of Asian Patent Attorney Association (APAA), the Committee for Intellectual Property Association of Thailand (IPAT), and the Intellectual Property Promotion Association of Thailand (IPPAT). He is a Professional Patent Agent certified and registered by Department of Intellectual Property in the Ministry of Commerce. In the enforcement and protection of Intellectual Property in Thailand, Dr. Krairit and his team have close working relationships with the police, the Ministry of Information and Communication Technology, and the Department of Special Investigations in the Ministry of Justice.

Mr. Wanchai Kijchanpaiboon
Fields of Specialization – Litigation

Mr. Wanchai Kijchanpaiboon brings over two decades of litigation experience to his role as a Partner at Dej-Udom & Associates. His wide-ranging expertise spans multiple legal sectors, from civil and consumer law to intellectual property and criminal law. With a robust educational background and various certifications, Mr. Wanchai is well-equipped to handle complex litigation matters, making him an invaluable asset to the firm and its clients. Mr. Kijchanpaiboon is a graduate of Thammasat University (1993) and Chulalongkorn University (1999), he was admitted to the Thai Bar in 1995.

Kittitad Rattanakuha, Esq.
Deputy-Head of Litigation
Fields of Specialization – Labor Law, Civil Law, Commercial Law, Criminal Law, Administrative Law, Intellectual Property Law

Kittitad Rattanakuha brings a wealth of experience to his role as the Deputy-Head of Litigation at Dej-Udom & Associates. Specialized in multiple fields such as labor, civil, commercial, criminal, administrative, and intellectual property law, he has proven to be a versatile and highly competent attorney. Prior to joining Dej-Udom & Associates in 2009, Khun Kittitad held managerial positions in human resources and legal departments for various companies and worked as an attorney with Kasem Office Sorasakkasem Lawyer. His various training courses in labor dispute resolution, work safety, and trade competition add to his multifaceted skill set.

Ms. Benjawan Rasdusade
Fields of Specialization – Taxation, Corporate Law

Ms. Benjawan is a seasoned legal professional with specialized skills in taxation and corporate law. Elevated to a partner role at Dej-Udom & Associates in 2019, she has broad experience in commercial matters. From company registration to advising on foreign investment and property matters, her range of expertise makes her an essential resource for clients in diverse sectors. With a strong academic foundation and admittance to the Thai Bar, Ms. Benjawan offers a well-rounded package of skills and expertise.

Mrs. Sawitree Rujited
Senior Partner
Fields of Specialization – Immigration, Work Permit and Relocation Matters

Before joining Dej-Udom & Associates Ltd., Mrs. Sawitree Rujited has built an extensive and distinguished career in immigration and work permit matters. Her experience spans across various sectors, encompassing roles such as a Criminal Cases Lawyer, a Lawyer at Bangkok Bank, Senior Litigation Management in Retail Recovery at the Kiatnakin Phatra Group, Legal Manager at Thanachart Insurance, and Compliance Manager at APF Insurance. Mrs. Rujited earned her LL.B. degree from Thammasat University in 1991. She was officially admitted to the Thai Bar as a Barrister-at-Law in 2002 and became a Notarial Services Attorney in 2015. Furthermore, Mrs. Rujited’s achievements extend to her recent appointment in December 2022 as a distinguished member of the Human Rights Committee. She also holds the prestigious position of chair of the Subcommittee on the Rights of Children, Women, and the Lawyers Council of Thailand, under the Royal Patronage.

Khun Krit Kulvijitrangsi
Senior Associate
Fields of Specialization – Immigration, Investment Promotion

Khun Krit Kulvijitrangsi serves as a Senior Associate at Dej-Udom & Associates, specifically attached to the Immigration Department. He has been with the company since 2018 and brings specialized knowledge in immigration and investment promotion. Prior to his role at D&A, he was a Senior Investment Promotion Officer at the Office of the Board of Investment (BOI), where he was responsible for a range of duties including the consideration and approval of e-Export applications and advising on visa and work permits. He holds a Master’s Degree in International Business & Economics from the National Institute of Development Administration (NIDA) and a Bachelor’s Degree in Economics from Kasetsart University.

Charn Issara Tower I, 2/Fl. 942/69 Rama IV Road, Bangkok 10500, Thailand
Tel: +66 (0) 2233-0055, 2236-6681 │ E-mail: