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…
Indian Patent Law
204 articles
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case of Saathi, Inc. v. Office of the Controller General of Patents, Designs and Trade Marks and Anr., a granted patent was revoked despite an Opposition…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…
Wanted Dead or Alive: Delhi High Court Holds Patent Revocation Survives Expiry and Section 107 Defence
In the case of Boehringer Ingelheim Pharma GmbH & Co. KG v. Controller of Patents & Anr., the Delhi High Court addressed two important questions under the Patents…
Intellepedia’s Top Patent Articles of 2025: A Year in Review
A concise roundup of Intellepedia’s most impactful patent law articles of 2025, highlighting key judicial and Patent Office developments every IP practitioner should note.