Search Indian IP Case Law
Judgments of the Supreme Court and the High Courts on patents, trade marks, copyright, designs and geographical indications — organised by Act and section, each with a link to the judgment on the court’s website.
14 results
for “Prior Art”
Sulzer Mixpac AG v. Assistant Controller of Patents and Designs
Adjudication under the Patents Act has to be guided by the statute rather than by a mechanical, step-by-step application of judicial formulas. A patent decision cannot be overturned or deemed invalid solely because it did not stri…
Common Bar ElementInstallation BodyInventive StepObviousnessPatentsSyngenta Participations AG v. Controller of Patents and Designs
Under Section 3(d) of the Patents Act, 1970, efficacy is not a fixed, uniform standard confined to therapeutic effect; its content depends on the field of the invention. For an agrochemical compound, a new polymorphic form demonst…
EfficacyInventive StepPatent ProsecutionPrior ArtPatentsTapas Chatterjee v. Assistant Controller of Patents and Designs & Anr.
A rejection for lack of inventive step under Section 2(1)(ja) must be supported by a structured, reasoned analysis identifying the skilled person, the inventive concept, and the specific differences from the cited prior art and wh…
Inventive StepKnown ProcessObviousnessPatent ProsecutionPatentsVifor (International) Ltd. & Anr. v. MSN Laboratories Pvt. Ltd. & Anr.
A product-by-process claim protects the novel product itself where the product cannot otherwise be defined by its structural features, and obtainable by language in such a claim is descriptive rather than limiting; infringement is…
Claim ConstructionInterim InjunctionNoveltyPharmaceutical Patent