Baker McKenzie LLP fields a strong IP practice, which is sought after by an established client portfolio of prominent companies in, among other areas, the luxury goods, technology and entertainment sectors. The group is highly regarded for its expertise in handling contentious and non-contentious IP matters, with an established track record in assisting clients with global IP portfolio management, copyright, licensing, counterfeit and infringement issues, and patent litigation. Nont Horayangura specialises in handling multi-jurisdictional IP disputes and investigations, and Abe Sun advises on patents, trade secrets and registered designs matters. Horayangura and Sun lead the team alongside Pattaraphan Paiboon and Kritiyanee Buranatrevedhya. Other key contacts include Yada Viseswongsa, whose workload includes brand enforcement issues.

Domnern Somgiat & Boonma Law Office Ltd offers an extensive range of IP expertise. The practice is sought after for its excellent reputation in handling the full gamut of complex IP matters, often acting for high-profile clients in the fashion, technology, luxury goods and automotive sectors. Nathapong Tongkaew is very experienced in advising on contentious and non-contentious trade mark cases; similarly, Apiwatt Kongsoowan‘s workload includes domestic and cross-border trade mark prosecution and protection matters. Patent work is a core area of strength for Prabjote Busdee, who is well known for representing pharmaceutical companies in IP matters. Chakrapat Mongkolsit advises on design and patent protection and opposition cases, and Juthatip Vejsureeyakul specialises in IP litigation. The quintet collectively head the practice.

Tilleke & Gibbins is well equipped to provide a comprehensive IP offering in Thailand. The team provides 'technically sound and practical advice' to clients in a wide range of sectors, ranging from media and entertainment to consumer goods and food and beverages, relating to both contentious and non-contentious IP cases. Under the joint leadership of Alan Adcock and Darani Vachanavuttivong, who is well versed in advising on enforcement cases involving patents, trade marks and copyrights across Southeast Asia, the team's workload includes licensing, portfolio management matters and a broad spectrum of IP litigation. Wiramrudee Mokkhavesa 'stands out for her strategic calm and ability to simplify complex IP issues'. Somboon Earterasarun and Suebsiri Taweepon are practitioners to note.

The team at Ananda Intellectual Property is well known for its expertise in advising on complex IP cases. The client portfolio includes prominent entities in the entertainment, consumer goods, and food and beverage sectors; the group is regularly instructed in patent and trade mark filings, IP strategy matters and cases concerning the protection of IP rights. Trade mark, patent and copyright litigation are core areas of instruction for Franck Fougere, who co-leads the department with Monnat Theerachat, Kritchakorn Nimwenai and Nuttakorn Sorakun. Patthawarat Jungjinjaroen retired from practice in April 2025.

ILCT Ltd.‘s practice is regularly instructed in complex domestic and multi-jurisdictional IP mandates. The team has a solid track record in handling IP commercialisation and enforcement cases, as well as patents work for clients in the pharmaceutical, chemicals and biochemistry sectors. Juthajit Sriprasart specialises in trade mark and copyright matters, while Titirat Wattanachewanopakorn assists with enforcement cases. Ratinuch Kawnachaimongkol is well versed in portfolio management matters; the three lawyers collectively head the practice with patents expert Ratchapong Thongdeetae. Pannapa Rittinaphakorn is a practitioner to note.

At Rouse, the team has extensive knowledge in patent and trade mark matters. The group is well known for assisting prominent clients with global patent and design portfolios, patents and trade mark filings, and freedom-to-operate searches. The client roster includes companies in the telecoms, biotech, technology and food sectors. At the helm of the practice are patent disputes specialist Fabrice Mattei, trade mark expert Nuttachai Unaratana and Peeraya Thammasujarit, who is very experienced in handling a wide range of IP disputes. Norasak Sinhaseni is well versed in advising on trade mark strategies. Terapat Laopatarakasem joined the team in July 2025.

R.W.T. International Law Office handles IP matters for clients across multiple industries including cosmetics, biotech and luxury goods. Rachadawan Kelar is a key contact for enforcement cases, while Chanapa Keeratitechakorn assists with registrations and Julaluck Samkhumphim handles trade mark and copyright litigation. Patent issues are also prominent in the team's workload. Kelar, Samkhumphim and Keeratitechakorn, together with disputes experts Phusit Yamgate and Theerapat Upaipanit, collectively head the department.

The team at Satyapon & Partners Limited is adept at assisting with a broad range of IP matters, including patent and trade mark prosecution cases, a high volume of filings and application appeals. The client base includes prominent companies in the chemicals, transport, hospitality and medical devices industries. The practice is headed by a very experienced trio. Satyapon Sachdecha's expertise includes anti-counterfeiting strategies; Kritsana Mingtongkhum is well versed in handling trade mark litigation; and Kritchawat Chainapasak is a name to note for patent and design matters.

LawPlus Ltd.'s team garners praise for its 'ability to handle high-stakes IP litigation, international filings, prosecution, and portfolio management with equal ease'. The group's expertise spans trade mark, copyright, patent and digital IP matters. Kowit Somwaiya and Prasantaya Bantadtan spearhead the practice; Raweewan Somwaiya and Yaowapa Pongsuthipanich, who is well versed in assisting clients in the chemical, medical and engineering sectors with IP work, are key practitioners to note.

Lexpertise Law Firm‘s team garners praise for its ‘ability to provide end-to-end IP solutions’ to clients. The group has a solid track record in handling IP litigation, however it is equally adept in advisory work. The department has been kept busy assisting with IP infringement cases and registration disputes. Nandana Indananda ‘combines visionary leadership with deep IP knowledge’ and has expertise in handling high-value contentious matters, and Manaswee Wongsuryrat‘s ‘proactive approach and attention to detail make him exceptionally reliable in high-stakes IP matters’. Ploynapa Julagasigorn is well versed in advising IP enforcement and trade mark prosecution cases. The three lawyers collectively lead the group.

Boutique firm S&O IP Bangkok‘s IP offering spans trade mark enforcement and prosecution cases, portfolio management matters, IP infringement disputes and co-ordinating raid action on counterfeits. Daniel Greif and Narisara Sangiumpun spearhead the team; Greif brings expertise in advising on contentious and non-contentious trade mark cases, while Sangiumpun provides IP strategy advice. Patthariya Sirinunthaphapakorn  is a name to note.

The team at SCL Nishimura & Asahi Ltd is well known for representing automotive, pharmaceutical and electronics sector clients in IP cases. The group's workload includes advising on cross-border trade mark registrations, patent protection matters, and licensing agreements. Pavinee Bunyamissara has a solid track record in advising on trade mark, patent and copyright infringement cases, and Narongcachon Chomsa handles patent and design mandates; the duo co-head the practice. Terapat Laopatarakasem left the firm in July 2025.

TMP Intellectual Property handles cases of patent and trade mark prosecution for clients in a broad range of sectors, as well as advising on non-contentious IP matters. Suthasinee Sutthavas and Pawat Varapirom bring extensive experience in assisting with IP enforcement and protection work respectively, while Munif Chaipanya specialises in trade marks and routinely assists with portfolio management and registration issues. Aswin Traisrisin has expertise in IP litigation, and Adele Marchal handles a high volume of inbound and outbound filing mandates. All named lawyers collectively lead the team.

ZICO IP‘s team is well versed in advising on the full range of IP matters. The group routinely assists clients from the fashion, pharmaceuticals, cosmetics and consumer goods sectors with trade mark and patent filings and prosecutions, as well as portfolio management matters. Pawarisa Suwannachote, Paramee Kerativitayanan and Kamolchanok Sinhaseni, who handles patent and design issues, collectively lead the practice.