When Patent Appeals Survive but Patents Don’t: Taking a Look at the DHC Sulzer Decision
Two appeals. Two defeats. Yet, as Maneesha Gupta explains, Sulzer Mixpac AG v. Assistant Controller of Patents and Designs may be remembered less for the patent that failed than for the appeal that survived, adding another chapter to the debate over intra-court patent appeals. Maneesha is a fifth-year B.A. LL.B. (Hons.) student at NMIMS School of Law, Bengaluru, and a participant in the SpicyIP Summer School 2026. When Patent Appeals Survive but Patents Don’t: Taking a Look at the DHC Sulzer
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