Remfry & Sagar Team Member

Ranjna Mehta-Dutt


Enrolled at the Bar in 1992, Ranjna is a prominent face of the Indian IP fraternity and leads the Life Sciences practice of the Firm. She has extensive experience in rendering patentability opinions, carrying out and analysing patent searches including freedom to operate searches, drafting patent specifications, filing national and international (PCT) applications, handling patent applications in diverse fields of technology, conducting patent oppositions and handling issues of enforcement. She is well versed in the intricacies of patent law and skilled at formulating strategy for developing and managing patent portfolios. Her experience is particularly pronounced in pharmaceutical, biotech and chemical patents, with a special focus on appeals and contentious matters. She has handled many high profile matters before various forums including the Indian Patent Office and the erstwhile Intellectual Property Appellate Board (IPAB).

That apart, Ranjna also has significant expertise in filing and prosecuting design applications as well as handling the cancellation of designs. Her experience also extends to the protection of plant varieties and obtaining necessary approvals from the National Biodiversity Authority.

She participates in various IP initiatives – often delivering lectures on IP law at domestic and international fora; adjudging moot court competitions at universities; and assisting the government on policy development and related issues. She has also written several pieces for renowned IP publications and comments frequently on topical developments.

Currently, she holds the position of President, Asian Patent Attorneys Association (APAA) – Indian Group. She is also Chair of the APAA Committee ‘Group Presidents’. Ms. Dutt has previously served on the APAA International Designs Committee and is currently a member of the APAA International Patents Committee. She also has the honour of being a member of the APAA International Council. 

Practice Areas

Patents; Designs; Plant Varieties and Bio Diversity


Bachelor's Degree in Life Sciences, PG diploma in Industrial relation and Personnel Management, LL.M.


Ranjna enjoys being in the company of family and friends when she’s not at work. She’s also very fond of reading and music.


‘IP STAR (Patents)’ – Managing Intellectual Property magazine: 2019-24


Features in ‘IAM Global Leaders’ – 2023, 2024


‘Highly Recommended – Prosecution’ – IAM Patent 1000 (The World’s Leading Patent Professionals), 2022-24


‘Distinguished Practitioner (Intellectual Property; Pharmaceuticals & Lifesciences) – Asialaw Profiles 2020-24;


‘IP Expert: Patents’ – Asia IP ‘Top 100 India IP Experts’ 2020-23


‘Powerful Women In IP – India 2021’ – World IP Forum

“Life sciences practice leader Ranjna Mehta-Dutt is a competent all-rounder who has long made a name for herself in the field. ”

IAM Patent 1000 2021

“With “outstanding life sciences expertise”, Ranjna Mehta-Dutt leads the way on chemical, biotechnology and pharmaceutical instructions.”

IAM Patent 1000 2014

“Ranjna Mehta-Dutt is highly sought after for her “immense command of prosecution strategy and law” and enviable scientific background.”

IAM Patent 1000 2016

“Biotechnology sage”

IAM Patent 1000 2017

Press & Publications



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