T-Mobile International AG and Co. KG. v. The Controller General of Patents, Designs and Trademarks and Anr.

This case involved an appeal against the refusal of a patent application for a method to optimize mobile terminal performance, rejected under Sections 3(k) and 3(m) of the Patents Act. The court had previously remanded the case for re-evaluation. During subsequent hearings, the court realized there were no clear guidelines for assessing objections under Section 3(m). To address this, the court appointed an Amicus Curiae to help formulate such guidelines. The primary outcome was the finalization and publication of these detailed guidelines for examining patent claims under Section 3(m), aiming to provide clarity for patent examiners and applicants. Result: Appeal was disposed of on merits; new guidelines for Section 3(m) examination were finalized and ordered for implementation by the Patent Office.