Smoking Tobacco, Foiling Obviousness
Philip Morris’s patent concerned a tobacco article meant to be heated electrically, with a wrapper designed to make it harder to ignite with a flame. ITC argued that…
Indian Patent Law
206 articles
Cassiopea Hair Loss Formulation Patent Refusal Set Aside for Fresh Examination
Cassiopea’s proposed treatment for androgenetic alopecia uses a high concentration of cortexolone-17-α-propionate dissolved in a topical formulation with specified solvents and additives. The Controller rejected its patent application…
Mind Your Claims: Delhi High Court Frames Guidelines for Mental Acts Under Section 3(m)
In the case of T-Mobile International AG and Co. KG v. The Controller General of Patents, Designs and Trade Marks and Another, the Delhi High Court addressed a…
Patent Opposition Gone Off Script: Bombay High Court Calls for Reasons, Evidence and Locus
In the case of Saathi, Inc. v. Office of the Controller General of Patents, Designs and Trade Marks and Anr., a granted patent was revoked despite an Opposition…
Pre-Orders Now Open: New Oxford Titles on Indian Patent and Copyright Law by Dr. Kalyan Kankanala
Dr. Kalyan Kankanala's two new Oxford titles, Patents in India and Copyrights in India, are now open for international pre-order. Set for a December 2026 release, both books…
Delhi High Court Revisits the Scope of Section 3(d) in Agrochemical Patents
The Delhi High Court interprets Section 3(d) in the agrochemical context by extending efficacy beyond therapeutic effect to encompass stability, usability, and practical field performance.
In Vitro Screening in Form, Diagnostic in Substance: Telomerase Therapy Patent Barred under Section 3(i)
Labeling a test as ‘screening’ doesn’t make it patentable if it decides treatment. In Geron Corporation’s case, measuring telomere length to decide who receives telomerase therapy made the…
Steering the divide: Steer Engineering’s divisional application denied by Court
Madras High Court upheld the refusal of Steer Engineering’s divisional patent application, affirming lack of inventive step and overlap with the parent filing.
No double riding! Court clarifies on patent revocation plea in case involving Philips
In the case of Versuni Holding B.V. Trading as Preethi v. Maya Appliances Private Limited, the patent holder had already sued for infringement before the Delhi High Court.…
Mere Admixture or True Innovation? Crystal Crop’s Herbicidal Composition Fails the Synergy Test
The Delhi High Court has reaffirmed a simple patent lesson: mixing known compounds will not do unless the mix delivers something unexpectedly better. In Crystal Crop, the claimed…