Dr. Prisca Octavia Rumokoy


Dr. Prisca Octavia Rumokoy is a promising young lawyer with outstanding academic excellence. Holding double master’s degrees in law, she obtained her Bachelor of Laws and first Master of Laws from Universitas Sam Ratulangi, both with a summa cum laude honor, and her second Master of Laws degree with a Business Law Certificate from the University of Southern California, graduating in the top 5% of her class.


Dr. Prisca Octavia Rumokoy took her doctorate at the University of Washington on a full scholarship from the Indonesian Ministry of Finance through the Indonesia Endowment Fund for Education. She successfully earned a Doctor of Philosophy degree from that university, where she graduated among the top of her class.


Before joining Walalangi & Partners, she worked at the Stanley Mosk Courthouse, California Superior Court.

Prisca Octavia Rumokoy successfully earned her Bachelor of Laws and first Master of Laws with a summa cum laude honor at a young age and was named “the Youngest Indonesian Bachelor and Master of Laws” by the Indonesian World Records Museum (MURI). During her university years, she served as the Chair of Women’s Affairs of the Student Executive Council and was active in the Law Student Body Association.

Having completed her master’s studies at Universitas Sam Ratulangi, she continued her studies at the University of Southern California, where she managed to obtain her second Master of Laws with a Business Law Certificate. Back in the day, she received several awards, such as Excellent Performance in LL.M Legal Writing and Outstanding Academic Performance. She graduated from the university in the top 5% of her class and was inducted into the Phi Kappa Phi Honor Society, the United States’ oldest and most selective collegiate honor society for all academic disciplines.

Her academic excellence and promising talents were again shown when she received her Doctor of Philosophy degree from the University of Washington, where she graduated among the top of her class and was then invited to join the Golden Key International Honour Society.

Other than practicing as an Indonesian lawyer, Prisca Octavia Rumokoy is also passionate to share her knowledge and experience. Her passion for sharing knowledge prompted her to teach basic courses, such as Introduction to Legal Science and Introduction to Indonesian Law, to first-year law students at a public university in Indonesia. In addition, she has presented her works on international trade and business at the University of Cambridge and the University of Oxford and has been regularly invited as a Guest Lecturer at the University of Washington School of Law, teaching the International Trade Law course since 2019.

Prisca Octavia Rumokoy is a member of the American Society of International Law and also an Associate Member of The Chartered Institute of Arbitrators, the world’s leading qualifications and professional body representing the interests of alternative dispute resolution practitioners worldwide.

  • Counsel to Mitsui & Co., Ltd, one of the world’s largest trading companies with a diversified portfolio that spans approximately in 63 countries, on its successful post-acquisition report of PT Pangan Lestari (Indonesian’s leading foodservice distributor) to the Indonesian Business Competition Supervisory Commission (Komisi Pengawasan Persaingan Usaha – KPPU).  Through the acquisition, Mitsui aims to improve PL’s distribution and cold-chain logistics by combining both parties’ collective expertise to significantly impact Indonesia’s food distribution and cold-chain logistic landscape and contribute to the country’s economic progression.
  • Counsel to Mitsui Co & Ltd,and FP Corporation  on its Indonesian post-acquisition merger report of their acquisition of Lee Soon Seng Plastic Industries Sdn. Bhd., one of the largest manufacturers of functional food containers in Malaysia with packaging wholesalers in Malaysia, Singapore, Australia, the Philippines, and other Southeast Asian nations.
  • Counsel to Mitsubishi Corporation and Sinar Mas Land on the inauguration of the PoC of Indonesia’s first autonomous electric vehicle at Q-Big BSD City, using first intelligent transportation system of French-made shuttle bus Navya Arma. The 15-passenger self-driving electric vehicle has a battery capacity of 33 kWh and is equipped with Global Positioning System (GPS) and Light Radar (LIDAR) sensor. This goes in parallel with the vision of G20, i.e., to go towards smart green cities, more low-carbon mobility, and less traffic congestion.
  • Advising a sectoral foreign government agency in various aspects of Antitrust Law in Indonesia, including in relation to merger report for assets transfer, mergers, consolidations, and/or acquisitions, and dominant position rules under the Indonesian Antitrust law.
  • Advising a leading Japanese telecommunication and a Japanese Fortune Global 500 company on various Indonesian law’s regulatory framework related to its proposed investment in various digital payment and finance sectors in Indonesia, including among others, mobile payment and Q&R code based payment services, online loyalty point related services, digital banking and financing, small loan online services, digital consumer finance (including buy now pay later (BNPL) arrangement), and digital insurance.
  • Counsel to world-leading steel manufacturing companies on their investment in an existing Indonesian foreign investment subsidiary of a notable South Asia automotive and manufacturing company.
  • Advising and supporting multiple Japanese major manufacturing companies, in relation to their investigation relating to anti-dumping investigation in Indonesia as a surrogate country on certain goods imported to Japan from the People’s Republic of China (PRC) and the Republic of Korea.
  • Counsel to one of the leading logistics companies in Japan, in the restructuring of its Indonesian subsidiaries to maximize the synergy effects within its group and to optimize its position in Indonesian market.


  • Miriam Andreta/Sinta Dwi Cestakarani/Prisca Octavia Rumokoy, Lexology Getting The Deal Through, Banking Regulation, 2021.