Justisiari P. Kusumah



Practice Areas

  • Commercial IP
  • IP Litigation and Enforcement
  • Arbitration and Mediation
  • Technology, Media, and Telecommunication

Justi is a leading figure in IP law in Indonesia, He oversees the Commercial IP, Telecommunication, Media and Technology practice group, as well as the Dispute Resolution team. Throughout his long legal career, Justi has advised and represented government agencies, state-owned enterprises, and numerous multinational companies on IP litigation and enforcement, transactions, legal due diligence, and other legal matters. Justi’s high-profile clients include the world largest software developer and Indonesia’s state-owned telecommunication conglomerate.

Justi was involved in the drafting of many IP-related regulations as a member of a IP expert team under the Ministry of Law and Human Rights. He was a member of Indonesia’s delegations to USTR Public Hearing in Washington, USA, and to the World Intellectual Property Organization (WIPO) General Assembly Meeting in Geneva, Switzerland. He is also a member of various task forces under of the Ministry of Law and Human Rights of the Republic of Indonesia and the Ministry of Communications and Informatics.

In addition to his formal education, Justi has attended various training courses in Indonesia, Singapore, Canada, the USA, France, Australia, Hong Kong, and Japan. He has acted as an instructor for various trainings organized by and for different Indonesian government institutions and universities.


  • Doctor of Law, Pelita Harapan University
  • Master of Law, Padjajaran University
  • Bachelor of Law, Padjajaran University
  • Visiting Student, National University of Singapore (1994)


  • Most Recommended Litigation Lawyer by Hukum Online
  • Best Litigation Lawyer for Client Service Excellence by Hukum Online
  • Leading Individual by Legal 500
  • Highly Recommended Lawyer by the World Trademark Review
  • Indonesia’s Top 100 Lawyers by Asia Business Law Journal
  • Leading IP lawyer by The Asia Pacific Legal 500
  • Leading practitioner in IP in Asialaw Leading Lawyers
  • Highly recommended lawyer in IP and Telecommunication in Chambers Asia-Pacific


  • Member of INTA
  • Member of INTA Asia Global Advisory Council (2021–2022)
  • Member of INTA Alternative Dispute Resolution Sub-Committee (2021–2023)
  • Member of APAA
  • Executive Director of Indonesia Anti-Counterfeiting Society – MIAP (2020 – 2022)
  • Member of the Advisory Board of Indonesian IP Consultants Association (AKHKI)
  • Indonesian Bar Association (IKADIN)