https://www.scconline.com/blog/post/2023/01/19/delhi-high-court-rules-principles-of-natural-justice-to-be-followed-by-indian-patent-office-in-pre-grant-opposition-stage-novartis-natco-hearing-both-sides-necessary-legalnews-legalresearch-legalupdat/
Delhi High Court rules in the context of the procedure and principles of natural justice to be observed by the Indian Patent Office in a pre-grant opposition to a patent application