JJP Appoints Experienced Patent Specialist as New Team Leader

Oct 23, 2025

Januar Jahja & Partners (JJP) welcomes Ms. Rena Purnama Sari as the firm’s new Patent Team Leader, responsible for leading and overseeing all aspects of JJP’s thriving patent practice. With more than a decade of experience in patent prosecution and intellectual property management, Ms. Rena brings extensive knowledge and leadership to the team.

According to Prudence Jahja, JJP’s Managing Partner, “We were impressed by Rena’s depth of experience and technical understanding, which make her an excellent choice to lead our growing patent practice. With Rena now on board, we feel that the JJP Patent Team is in excellent hands.”

Before joining JJP, Ms. Rena spent 12 years at another established IP law firm in Indonesia, developing her expertise in patent filing, substantive examination, and portfolio management for both domestic and international clients.

Throughout her career, Ms. Rena has managed thousands of patent applications, guiding clients through the intricacies of the Indonesian patent system with precision and care. Her technical expertise spans a wide range of fields, including chemistry (her educational background), pharmaceuticals, electrical engineering, mechanics, and biology. She is also highly experienced in conducting patent searches, patentability assessments, and Freedom-to-Operate (FTO) analyses, as well as handling Plant Variety Protection (PVP) applications.

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About Januar Jahja and Partners: Established in 1986, Januar Jahja and Partners (JJP) is one of the leading intellectual property firms in all of Indonesia. Our firm and professionals have been recognized by such outlets as Legal 500WTR 1000IAM Patent 1000IP Stars / Managing IPGlobal IP Awards, and Chambers Asia Pacific, among others. JJP is led by industry-setting professionals with particular expertise in assisting clients to navigate the promising but sometimes confusing Indonesian IP scene. As a one-stop IP shop, JJP handles all aspects of our clients’ IP needs, including civil enforcement, investigations, dispute resolution and of course IP prosecution and litigation. For more information, please visit: www.jahja.com.

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