indian patent act

How Delay and Non-Use Undid Conqueror’s Claims Against Xiaomi

Introduction How Delay and Non-Use Undid Conqueror’s Claims Against Xiaomi The Delhi High Court’s decision in Conqueror Innovations Private Limited & Anr. v. Xiaomi Technology India Private Limited1 [1] offers a meticulous exploration of patent infringement claims and the high threshold required for interim relief in Indian patent litigation. Justice Amit Bansal’s judgment, pronounced on […]
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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 […]
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Deadline Extensions 101 in Indian Patent Law

Introduction On 15th March 2024, the Indian Patent Office (IPO) published the Patent (Amendment) Rules, 2024. Notably, Rules 137 and 138—relating to the Controller’s powers to condone procedural irregularities and extend deadlines were significantly amended. These changes clarify which specific irregularities can now be condoned by the Controller and which deadlines are eligible for extension. […]
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No Patent For Intermediates without Efficacy

Introduction On May 27, 2025, in Zeria Pharmaceutical Co. Ltd. v. Deputy Controller of Patents and Designs1, the Delhi High Court upheld the refusal of divisional patent, affirming that minor structural modifications of known pharmaceutical compounds—especially intermediates—must still demonstrate enhanced therapeutic efficacy to be patentable under Section 3(d) of the Indian Patents Act, 1970. The […]
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Delhi High Court Reins in Patent Claim Amendments: AbbVie’s Attempt to Convert Method Claims Rejected

Delhi High Court Reins in Patent Claim Amendments: AbbVie’s Attempt to Convert Method Claims Rejected Introduction In a recent judgment in Abbvie Biotherapeutics INC & ANR. v. Assistant Controller of Patents and Designs [1]1, the Delhi High Court upheld the patent refusal order issued by the Controller of Patents for Indian patent application No. 201817047767, […]
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Analyzing the Draft Computer-Related Inventions (CRI) Guidelines 2025 – Part 5: Determination of Excluded Subject Matter

Introduction This article is the final part of our multi-blog series on analyzing the Draft Computer-Related Inventions (CRI) Guidelines, 2025. Part 1 discusses the new definitions and terms introduced in the Guidelines, Part 2 discusses the judgments referred to in the Guidelines, Part 3 discusses the novelty and inventive step sections and Part 4 discusses […]
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Analyzing the Draft Computer-related Inventions (CRI) Guidelines 2025 – Part 4: Sufficiency of Disclosure

Introduction This article is part 4 of our multi-blog series on analyzing the Draft Computer-Related Inventions (CRI) Guidelines, 2025. Part 1 discusses the new definitions and terms introduced in the Guidelines, Part 2 discusses the judgments referred to in the Guidelines, and Part 3 discusses the novelty and inventive step sections. On March 25, 2025, […]
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