San Chaithiraphant

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T: +66 2056 5640
F: +66 2056 5678




Thai, English


LLM, University of Glasgow

LLB, Ramkhamhaeng University

MChE, King Mongkut’s University of Technology Thonburi

BEng, Chulalongkorn University

San Chaithiraphant is an attorney-at-law in Tilleke & Gibbins' intellectual property group, specializing in patents for technological products. 

Within the firm's Bangkok IP team, San advises clients on a range of complex patent issues, including specification drafting, registration procedures, portfolio management, and more. He specializes in representing clients whose businesses focus on technology, e-commerce, and digital innovations.

San was ranked among the top of his batch in the Thai Bar Association examinations, and also graduated with distinction with an LLM, focused on intellectual property and digital economy, from the University of Glasgow. He has a multidisciplinary background with advanced degrees in engineering and chemical engineering.

  • Conducted utility and design patents’ freedom-to-operate analyses, as well as infringement analyses, on behalf of clients in a wide range of industries.

  • Filed and successfully registered patents, petty patents, and designs with the Thai Department of Intellectual Property.

  • Represented clients in filing responses to office actions, oppositions, and cancellations to strengthen and defend their valuable patents.

  • Conducted regulatory due diligence for acquisitions by a number of multinational clients.

  • Advised on laws and regulations related to medical devices, drugs, and controlled foods.

  • Assisted clients in life sciences regulatory compliance through every stage of their products’ life cycles.

  • Supported clients’ market entries by advising on product promotional activities in a range of media.

  • Reviewed regulatory service agreements for several global medical device companies.

  • Provided advice on complex issues involving multiple fields of law, including contracts, intellectual property, regulatory affairs, computer crimes, and data protection.

Datesort icon Title
September 21, 2020

Asialaw Profiles 2021: Tilleke & Gibbins Dominates the Thailand Rankings

The recent publication of Asialaw Profiles 2021, a guide to the leading Asian law firms, saw Tilleke & Gibbins further maintaining its dominance of the legal market in Thailand. The firm earned...

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September 3, 2020

Tilleke & Gibbins Earns 15 Nominations for ALB’s 2020 SE Asia Law Awards

Asian Legal Business  (ALB ) has announced its nominations for the 2020 SE Asia Law Awards, and Tilleke & Gibbins has received a record 15 nominations this year—more than double...

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August 27, 2020

Tilleke & Gibbins Wins Thailand Firm of the Year in Asialaw Awards 2020

In the recently announced Asialaw Awards 2020, Tilleke & Gibbins was named Thailand Firm of the Year in the Client Service Excellence category, in recognition of the firm’s full-service client...

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August 18, 2020

Tilleke & Gibbins Named to Inaugural ALB Trailblazers List

Tilleke & Gibbins has been named to Asian Legal Business’ inaugural ALB Trailblazers list, which recognizes firms that are applying innovative strategies to deal with pressing legal issues,...

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August 7, 2020

Tilleke & Gibbins Leads the Way on Copyright: MIP IP Stars 2020

Managing Intellectual Property  (MIP ) has released its list of top-rated copyright law firms around the world, part of its IP Stars 2020 guide, and Tilleke & Gibbins has been recognized...

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September 16, 2020

COVID-19 Resource Center

As the global COVID-19 situation develops, Tilleke & Gibbins is dedicated to ensuring that our clients remain up to date on the most important legal developments in Southeast Asia as they happen...

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September 1, 2020

Thailand Readies Draft Notification to Allow Hemp-Based Ingredients for Food Innovation

San Chaithiraphant, Atthachai Homhuan

The cannabis industry in Thailand took its first concrete step in February of 2019, when medical cannabis was unexpectedly legalized. In August 2019, a Ministry of Public Health (MOPH) notification...

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May 13, 2020

Tilleke & Gibbins Cannabis and Hemp Business Guide – Thailand

Alan Adcock, Atthachai Homhuan, San Chaithiraphant

Attorneys in Tilleke & Gibbins’ regulatory affairs team have produced the Cannabis and Hemp Business Guide – Thailand, a primer on the rapidly developing cannabis industry in Thailand. Cannabis...

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March 19, 2020

COVID-19 Status Update for Southeast Asia - March 18, 2020

The effects of the global COVID-19 pandemic on Southeast Asia are a deep concern shared by all with connections to the region. To encourage clear understanding of the facts on the ground, Tilleke...

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October 18, 2019

The Pharma Legal Handbook: Thailand

Kittiya Nopparatrungroj, Alan Adcock, Atthachai Homhuan, San Chaithiraphant

The Pharma Legal Handbook: Thailand, published by Pharma Boardroom, is a comprehensive guide to the legal framework regulating the healthcare and life sciences industries in Thailand. Authored by...

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