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. […]
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 […]