Thad Chaloemtiarana Partner
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Harvard Law School (J.D., cum laude, 1996; Technical Editor, Harvard International Law Journal)
Pennsylvania State University (B.A., with highest distinction and honors, 1993; Phi Beta Kappa)

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Thad Chaloemtiarana

”Thad Chaloemtiarana and the Pattishall team handle all of our trademark work worldwide. Thad has a deep understanding of both the history of our trademarks as well as our business aims related to them. He has a wide breadth of knowledge about trademarks and is always able to provide efficient and effective advice. He and the firm have helped us successfully oppose others’ applications, defend our own and settle various disputes around the world on favourable terms. We continue to be very happy with Thad and the rest of the Pattishall team."

World Trademark Review, 2024

“’Really thoughtful’ Thad Chaloemtiarana is a ‘focused, business savvy and very intelligent’ litigator who ‘provides excellent advice and gives tailored solutions to get the right result for each client.’”

World Intellectual Property Review, 2023

"Thad listens with genuine interest and an intense focus on his clients’ needs before taking actions to appropriately mitigate risk and build asset value, employing strategies that optimise benefit for any given budget. He is an outstanding mentor with an amazing work ethic and really invests in relationships both with his patrons and his peers."

World Trademark Review, 2022

Thad currently serves as Immediate Past Chair of the American Bar Association’s Section of Intellectual Property Law – one of the largest intellectual property associations in the world. As Immediate Past Chair, and in his prior positions as Chair, Chair Elect, Vice Chair, Membership Officer and a member of Council, Thad was responsible for establishing the public policies and positions of the Section. For many years, Thad was an Adjunct Professor of Intellectual Property Law at Northwestern University School of Law, where he taught a class on Trademarks and Unfair Competition Law.

Thad has litigated cases involving trademark and trade dress infringement, counterfeiting, false advertising and unfair competition, dilution, unauthorized importation of grey market goods, copyright infringement, breach of contract, and domain name cybersquatting. He also has extensive experience in drafting and negotiating many types of transactions, including technology development, integration and licensing agreements; website development and hosting agreements; on-line content and branding agreements; and trademark license, manufacturing and distribution agreements.

  • Automobiles & Components
  • Consumer Durables & Apparel
  • Hotels, Restaurants & Leisure
  • Media
  • Retailing
  • Food & Drug Retailing
  • Food, Beverage & Tobacco
  • Household & Personal Products
  • Health Care Equipment & Services
  • Pharmaceuticals & Biotechnology
  • Commercial Services & Supplies
  • Software & Services
  • Technology Hardware & Equipment
  • Materials
  • Telecommunications Services