Post-grant opposition and revocation proceedings under Indian Patent Act: what is better?

Patent Act, 1970 provides opposition/ revocation mechanisms to make sure that undeserving Patents are not granted in contravention of the provisions of the Act and if they are granted, they can be opposed/ revoked. Grant of patent can be opposed before as well as after grant of patent. Relevant sections for different mechanisms, locus standi, jurisdictions where they can be entertained, timelines within which they can be opted, and the grounds on which they can be based have been summarized in the below table: Point of Comparison Pre-grant opposition Post-grant opposition Revocation Section 25 (1) 25 (2) 64 Locus Standi... Read More

Revocation of Valganciclovir patent by Controller of Patents, Chennai

Recently in a matter remanded from IPAB to Controller of Patents, Chennai, a decision of revoking Roche's patent IN207232 for Valganciclovir was delivered after hearing both the parties. The subject patent was granted on January, 2009 followed which post grant oppositions were separately filed by CIPLA, Matrix, Ranbaxy and Bakul Pharma along with two NGOs Delhi Network of Positive People and lndian Network for People living with HIV/AIDS & The Tamil Nadu Networking People with HIV/AIDS (hereinafter INP+ and TNNP+), wherein INP+ and TNNP+ were allowed by the Apex court to raise all contentions in the form of an intervention... Read More

Section 3(D) of Indian Patent Act Strikes Again

India revoked yet another drug patent granted to a German MNC, Boehringer Ingelheim, for its respiratory drug, Spiriva (crystalline tiotropium bromide monohydrate) at a time when the US is putting pressure on Indian government for not providing adequate patent protection to multinational drug companies. In its decision, the patent office held that Boehringer failed to establish any technical advancement or any economic significance for the compound, and the monohydrate crystal form also fails to demonstrate any new therapeutic efficacy and therefore cannot fulfill the requirement of a patentable invention under Section 3(d) of the Patents Act. Facts and highlights of... Read More

Revocation Application/ Proceeding Summary: Improved Diffuser for an Air Conditioning System

Applicant in this case is M/s Air Master Equipments India (P) Ltd and Respondents are: Mr. Ramesh Nana Mhatre, who is the inventor and Applicant of the granted patent application being discussed, and Controller of Patents who granted the patent post examination and prosecution. Title of the application is ‘An improved Centre Core, Intermediate Core and an outer frame for a diffuser for use in central air conditioning system and an improved diffuser incorporating them and the method of manufacturing the same’ and case number is TRA/1/2008/PT/CH. The order number of case being discussed is NO 75/2011  To brief a... Read More