Mr. Nguyen Van TOAN

Nguyen Van TOAN focuses his practice on patent prosecution management, strategic client counseling, opinion preparation on issues relating to infringement and validity, and post-grant review proceedings, with an emphasis on software, business methods, graphical user interfaces, and related technologies developed and implemented by the financial services industry.

TOAN counsels financial institutions, technology companies, and emerging start-ups on the development, implementation, and protection of distributed-ledger and blockchain technologies, smart contracts, machine learning and artificial intelligence, and payment systems, and innovative cryptocurrency and token technologies. TOAN has extensive experience counseling clients in patent, trademark, and copyright matters related to software, mobile applications, electronic trading platforms, graphical user interfaces, content management and delivery systems, Internet-of-Things (IoT) technologies, and video compression and image processing technologies.


TOAN also advises clients on patent issues and strategies, and handles other proceedings related to patent and design in Laos, Cambodia and Myanmar.

  • Advised on worldwide injunctive relief for a substantial portfolio of global assets relating to a Chinese Corporation.
  • Provided strategic advice on a substantial trademark infringement action.
  • Represented some of the world’s leading brands in managing their trademark portfolios both in Vietnam, Laos, Cambodia and other Asian jurisdictions and served as a trusted advisor to key decision-makers in commercial and contentious trademark matters.
  • Counseled a multinational financial institution on Japan and foreign patent matters related to blockchain technologies, payment systems, machine learning and artificial intelligence, and digital banking technologies; assist in strategic planning and invention harvesting, and manage a patent portfolio of foreign patents.
  • Advised a client in the tobacco industry on labeling of tobacco products to comply with laws of Vietnam.

Provided expert advice to clients on complex patent matters and disputes.