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Techatat Udomsiri

Partner

Litgation and Dispute Resolution

About

Considered one of Thailand’s most experienced litigators, Techatat specializes in managing large and complex disputes. Prior to joining Siam Premier in 1997, Techatat gained 21 years’ experience in litigation and dispute resolution with local and international law firms and in-house roles, including the positions of head of litigation at Baker & McKenzie Ltd, and legal manager at Thai Plastic and Chemicals Plc.

Techatat has acted in a broad range of commercial disputes with expertise in major contracts, concession and construction, trade practices, and financial services, including litigation and domestic and international arbitration proceedings. He is also experienced in disputes involving criminal charges, employment and labor, estates, intellectual property, and administrative proceedings.

He is native in Thai and fluent in English.

Techatat has been widely recognized for his litigation and dispute resolution expertise. Legal 500 (2010, 2011, 2012, 2016, 2017 and 2018 editions) and Chambers and Partners (2011, 2012 and 2017 editions) state that he is known for his work on significant litigation and arbitration as group co-head dealing with both major civil and criminal matters, in which he is ranked in Band 2.

  • About

    Considered one of Thailand’s most experienced litigators, Techatat specializes in managing large and complex disputes. Prior to joining Siam Premier in 1997, Techatat gained 21 years’ experience in litigation and dispute resolution with local and international law firms and in-house roles, including the positions of head of litigation at Baker & McKenzie Ltd, and legal manager at Thai Plastic and Chemicals Plc.

    Techatat has acted in a broad range of commercial disputes with expertise in major contracts, concession and construction, trade practices, and financial services, including litigation and domestic and international arbitration proceedings. He is also experienced in disputes involving criminal charges, employment and labor, estates, intellectual property, and administrative proceedings.

    He is native in Thai and fluent in English.

    Techatat has been widely recognized for his litigation and dispute resolution expertise. Legal 500 (2010, 2011, 2012, 2016, 2017 and 2018 editions) and Chambers and Partners (2011, 2012 and 2017 editions) state that he is known for his work on significant litigation and arbitration as group co-head dealing with both major civil and criminal matters, in which he is ranked in Band 2.

  • Credentials

    Banking & Finance

    • Acting for an international financial institution in proceedings against the guarantor under a loan obtained by a SET-listed petrochemical company for payment of debts under the loan and guarantee agreements amounting to THB 25 million.
    • Representing the Singapore branch of a French international banking group in an emergency injunction application to prevent a large Thai company from transferring a well-known commercial building in Bangkok CBD to other creditors and claiming for delinquent debts exceeding THB 73 million.
    • Representing various international banks in litigation proceedings against delinquent debtors under syndicated loan agreements, letters of credit, trust receipts, guarantee agreements, mortgages, and pledges.

    Concession & Construction 

    • Representing a Japanese global manufacturing and electronics company against a SET-listed transport infrastructure company in relation to breach of contract and damages claims amounting to THB 500 million on the MRT Blue-line project.
    • Representing a SET-listed chemical company against contractors in breach of contract claims exceeding THB 1 billion in respect of the turn-key construction of a petrochemical complex in Rayong, Thailand.
    • Acting for a SET-listed energy company and its affiliates in defense of THB 65 million in claims in relation to alleged breach of a joint investment in a lignite-fired power plant project in Lao PDR. 

    Commercial Disputes

    • Representing the largest brewery in Singapore in claims against its agent in Thailand for payment of THB 300 million in damages under a distributor agreement.
    • Representing the Thai downstream subsidiary of a US oil company against a Thai company in claims for debt recovery under an agent and sale agreement.
    • Representing a South Korean global electronics company in claims against a Thai company for damages exceeding THB 300 million concerning the distribution of set-top boxes for cable TV.

    Finance & Securities

    • Representing a Thai financial institution against debtors in relation to a margin loan and the Stock Exchange of Thailand.
    • Representing an investment holding company in claims against a foreign bank in relation to a loan for investment under a tender offer to purchase shares valued THB 500 million.

    Intellectual Property

    • Representing multiple foreign and local plaintiff companies including but not limited to a luxury British department store company, a Swiss global watch manufacturer, a SET-listed global construction products company, and a global restaurant chain company in IP enforcement and litigation cases concerning the infringement of trademarks, copyrights, patents and trade names.

    Employment & Labour

    • Representing international and large domestic companies in the construction, aviation and hospitality sectors in employee breach of contract claims in the Labor Court.

    Arbitration Proceedings

    • Representing clients from a broad range of industries and sectors in commercial arbitrations including: a SET-listed chemical company, a global life insurance company, a Malaysian engineering company, a South Korean engineering and construction company, and a Thai subsidiary of a Dutch dairy company.

    Insolvency

    • Representing a US global bank, a Japanese bank, and SET-listed energy companies against their delinquent debtors under the Bankruptcy Act and reorganizing business of debtors.

    Criminal Actions

    • Representing directors and executive officers of a SET-listed company and its affiliate in relation to charges of cheating and fraud alleged by certain traders.
    • Advising a SET-listed property development company in relation to charges under the Securities and Exchange Act.
  • Qualifications

    LL.B. (1st class honours) Thammasat University
    Barrister-at-Law, Thai Bar
    M.B.A. Kasetsart University

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