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Chavalit Uttasart is a senior lawyer with more than four decades of experience in dispute resolution, intellectual property, corporate and commercial law. He is widely recognised for his expertise in complex litigation, strategic dispute management, and high-value commercial matters.
His practice encompasses a broad range of contentious and advisory work, including civil and administrative litigation, intellectual property enforcement, competition and regulatory matters, corporate restructuring and rehabilitation, foreign investment, mergers and acquisitions, and technology-related legal issues. He also advises clients in regulated sectors, including telecommunications, broadcasting, and digital business. Chavalit has represented both domestic and international clients in significant litigation, arbitration, and rehabilitation proceedings involving substantial commercial interests across a variety of industries, including banking, aviation, retail, energy, logistics, and information technology.
Throughout his career, he has held senior leadership positions at leading law firms in Thailand, including serving as Managing and Founding Partner of SCL Law Group and as a Partner at International Legal Counsellors Thailand Ltd. (ILCT). He also served in senior leadership roles at an international law firm affiliated with one of Japan’s leading legal practices.
He is recognised by leading legal directories for his work in intellectual property and dispute resolution. Chambers Asia has described him as “highly talented and respected in the IP community,” while Legal 500 Asia Pacific has recognised him for contentious work and leadership in the Thai intellectual property sector.
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Punjaporn Kosolkitiwong is a highly experienced disputes lawyer with more than four decades of practice in litigation and arbitration. She advises and represents clients in a broad range of contentious matters, including civil and criminal litigation, intellectual property disputes, tax disputes, administrative proceedings, restructuring and insolvency, and labor matters.
Her practice encompasses complex commercial disputes, cross-border arbitration, regulatory disputes, and high-value litigation across multiple industries. She is widely recognised for her strategic judgment, deep litigation experience, and practical approach to managing sophisticated and sensitive disputes.
Punjaporn has acted for major domestic and international clients in precedent-setting cases involving intellectual property, tax, insolvency, corporate disputes, infrastructure projects, and investor claims. Her experience includes appearances before Thai courts, arbitral tribunals, and administrative bodies, as well as matters involving multi-jurisdictional enforcement and regulatory issues.
Prior to joining Siam Juris Partners Limited, she served as a litigation partner at one of Thailand’s leading law firms for nearly three decades, where she led complex disputes and advised multinational clients on high-stakes litigation matters. She has also contributed extensively to legal education and law reform initiatives, particularly in the areas of bankruptcy and insolvency law.
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Kallayarat Chinsrivongkul is one of Thailand's leading patent practitioners, with more than 30 years of expertise in intellectual property law. She advises domestic and international clients on all aspects of patent protection, including patent prosecution, infringement and validity matters, third party observations, restoration of patent rights, patent portfolio management, and intellectual property protection strategies in Thailand and neighboring jurisdictions, particularly Laos and Cambodia.
Throughout her distinguished career, Kallayarat has represented multinational corporations, research institutions, and innovative enterprises across a broad range of industries, including pharmaceuticals, biotechnology, medical devices, chemistry, electronics, telecommunications, automobile manufacturing and consumer products. Her extensive experience enables her to provide practical, commercially focused advice on the acquisition, protection, and management of intellectual property assets.
Kallayarat is particularly recognized for her expertise in patent prosecution, patent maintenance, and regional patent protection strategies. She regularly advises clients on international filing programs, patentability assessments, and patent protection in Thailand, Laos, and Cambodia.
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Malinee Kriengkrailipikorn is a corporate and commercial lawyer advising on a range of corporate transactions, investments, and restructuring matters. She brings a strong combination of legal expertise and commercial acumen, supporting clients in navigating strategic decisions, regulatory frameworks, and legal compliance.
Her practice includes mergers and acquisitions, asset acquisitions, capital markets transactions (including IPOs), restructuring and insolvency matters, and commercial contract drafting and negotiation.
She has advised cross-border sale transactions involving overseas counterparties, including trade arrangements such as letters of credit, guarantees, and marine transportation.
She has also participated as part of the legal team in investment-related disputes before Thai courts, contributing to legal analysis and the preparation of claims, witness statements, and defenses, particularly in relation to listed company investments. In addition, she has experience in business rehabilitation and restructuring matters
She combines strong legal expertise with practical commercial insight, delivering solutions that are both legally sound and aligned with clients’ business objectives.
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Pasayu Israsena Nah Ayudhaya is a disputes lawyer with significant experience in complex, high-value litigation and arbitration. He advises and represents international and Thai clients in commercial, corporate, and criminal matters, with a particular focus on strategically sensitive and high-stakes disputes.
His practice covers a broad spectrum of contentious work, including large-scale commercial litigation, shareholder and investment disputes, business rehabilitation proceedings, and white-collar criminal matters. He has acted in cases involving substantial financial exposure, including multi-billion Baht claims, and is known for developing clear, results-oriented strategies in complex and fast-moving situations.
Pasayu also has notable experience in arbitration, including representing foreign investors in domestic arbitration and acting as part of the legal team representing the Kingdom of Thailand in investor-State arbitration proceedings. His work frequently involves cross-border elements and coordination with international stakeholders.
In addition to his disputes practice, he advises clients on employment-related investigations, misconduct matters, and commercial issues, including contract drafting and risk management.
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Sirawit Singharaj is a litigation lawyer with extensive experience in high-stakes dispute resolution, complex arbitration, and white-collar criminal matters. He advises and represents both international and domestic clients, with a particular focus on strategically sensitive, high-value commercial disputes and construction-related litigation.
His practice covers a broad spectrum of contentious work, including large-scale arbitration, shareholder and joint venture disputes, and complex enforcement proceedings. He has successfully represented clients in matters involving significant financial exposure, including multi-billion Baht claims, and is adept at developing results-oriented defense strategies in fast-moving, high-pressure environments.
Beyond his litigation practice, Sirawit provides comprehensive legal counsel on corporate and commercial issues, including contract negotiation, risk management, and regulatory compliance.
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Kittitach Ritteeverakul is a litigation and dispute resolution lawyer with experience advising and representing domestic and international clients in a broad range of contentious matters. His practice focuses on commercial litigation, arbitration, labor, criminal, and intellectual property disputes, with particular experience in complex commercial and corporate conflicts.
He advises clients throughout all stages of dispute resolution, from early case assessment and strategic planning to litigation, arbitration, and enforcement proceedings. His work involves analyzing complex legal and factual issues, formulating dispute strategies, and preparing a broad range of court and arbitration submissions.
In addition to his dispute resolution practice, Kittitach advises clients on general commercial matters, employment-related issues, internal investigations, and legal risk management. He is recognized for his analytical approach, attention to detail, and commitment to delivering practical and commercially focused legal advice.
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