Sharad Vadehra, Kshitij Saxena, Dr. Neha Gupta

July 11, 2025
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A Weighty Dispute: Novo Nordisk’s Semaglutide Patent Clash in Delhi High Court

Introduction A major patent battle [1] has erupted in India between pharmaceutical giants Novo Nordisk and Dr. Reddy’s Laboratories over the popular weight loss and diabetes drug semaglutide. Novo Nordisk sued Dr. Reddy’s for manufacturing and exporting its patented drug without consent. This case is significant for the Indian pharmaceutical industry, as its outcome will […]

June 9, 2025
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When Coverage Isn’t Disclosure: DelhiHC’s Denies Interim Injunction forRisdiplam

Introduction On March 25, 2025, the Delhi High Court denied the request of F. Hoffmann-La Roche AG for an interim injunction against Natco Pharma in a high-stakes pharmaceutical patent dispute in F. Hoffmann-La Roche Ag & Anr. vs Natco Pharma Limited [1]1. At issue was Roche’s species patent on “Risdiplam,” a life-saving drug for Spinal […]

October 18, 2023
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Unraveling the Complexities of Product-By-Process Patent Claims: Insights from the Vifor vs. Dr. Reddy’s Case

Introduction A recent judgment by the Delhi High Court in Vifor International Ltd & Anr. vs Defendants has shed light on the intricate realm of product-by-process patent claims and their implications for patentability and infringement. Presently, as per practice guidelines followed by Indian Patent Office (‘IPO’) in prosecuting patent applications pertaining to ‘product-by-process’ claim, the […]

October 13, 2023
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Interim Injunction Denied in Patent Infringement Case: Plaintiffs Fail to Establish Prima Facie Case for Evergreening Patent

Introduction Genus-Species patent applications offer a valuable approach to patent protection, especially in the pharmaceutical domain. By combining a broad genus patent with specific species patents, inventors can secure comprehensive coverage while allowing for future innovations within the invention’s scope. However, to ensure patentability, these applications must adhere to the requirements outlined by the Indian […]