team member

Debashish Banerjee


Debashish predominantly advises clients operating in the pharmaceutical, chemical, crop protection and life sciences domains. Besides considerable experience in prosecuting patent applications, he has handled pre-grant and post-grant oppositions before the Indian Patent Office (IPO) as well as appeals and revocations before the Intellectual Property Appellate Board (IPAB). He is also a seasoned patent litigator having appeared before trial and appellate courts across the country.

Having spent close to a decade and a half at the Bar, Debashish has in-depth knowledge of Indian patent law and practice – a key asset whilst crafting strategies for clients. His current profile includes writing briefs and motions, handling patent prosecution, advising clients on validity opinions, freedom to operate opinions, claim construction analysis, preparing expert witnesses for deposition and trial, coordinating patent infringement investigations, due diligence, pre-litigation counseling, working with technical experts in preparing depositions for contentious proceedings, researching complex legal issues and attending hearings before various fora.

He is also the author of several articles on patent law and technology.

Practice Areas

Patents; Patent Litigation


Bachelor's Degree in Chemistry, LL.B., Post Graduate Diploma in Business Management


Avid traveler, cricket aficionado, obsessive foodie.


‘Rising Star’ – Managing Intellectual Property magazine: IP STARS 2019



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