FMC Corporation’s Plea to Block Natco’s Cyantraniliprole Insecticide Formulation Denied

Chemical formula backdrop with text Natco wins dispute over Cyantraniliprole intermediate patent Featured image for article: FMC Corporation’s Plea to Block Natco’s Cyantraniliprole Insecticide Formulation Denied

Delhi High Court refused FMC’s interim plea on a Cyantraniliprole intermediate, citing credible invalidity under Sections 64(1)(a) and 64(1)(e) and a tenable Gillette defence. With expiry close, damages suffice rather than an injunction.

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CASE BRIEF: FMC Corporation & Ors. vs. Natco Pharma Limited

The Delhi High Court analysed whether Natco Pharma’s process infringed FMC Corporation’s patented method for producing chlorantraniliprole. The court, relying on expert opinions, found key differences in process steps and chemical agents, leading to a decision of non-infringement.

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