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”
Array Biopharma Inc v. Deputy Controller of Patents and Designs
A combination of distinct and independent active drugs, each with its own chemical identity and mechanism, does not fall under the Section 3(d) bar for derivatives of known substances. Using phrases such as 'for simultaneous, sepa…
Inventive StepMethod of TreatmentPharmaceutical CombinationPrior ArtDesignsBharat Glass Tube Limited v. Gopal Glass Works Limited
A design's novelty and originality under the Designs Act must be assessed by comparing it, as applied to the specific article for which registration is sought, against prior art shown to have been applied to the same or a similar …
CancellationDesign RegistrationNoveltyOriginalityPatentsBigtec Private Limited v. Assistant Controller of Patents and Designs
An objection that devising nucleotide probes or primers is routine experimentation lacking inventive step under Section 2(1)(ja) must engage with evidence of unexpected effects placed on record; and the Section 3(c) exclusion for …
BiotechnologyInventive StepPatent ProsecutionPrior ArtPatentsBishwanath Prasad Radhey Shyam v. Hindustan Metal Industries
An improvement on a device or process already known must involve more than a routine workshop improvement; it must independently satisfy the tests of novelty and inventive step by producing a new result, a new article, or a better…
Inventive StepNoveltyObviousnessPatent RevocationPatentsCrystal Crop Protection Limited v. Safex Chemicals India Limited & Ors.
Where a complete specification and the patentee's own conduct during prosecution treat a claimed element as necessary to achieve the invention's stated technical effect, that element cannot later be characterised as non-essential …
Claim ConstructionDoctrine Of EquivalentsInterim InjunctionPatent InfringementPatentsDeepak Nitrite Limited v. The Assistant Controller General of Patents and Designs
It is wholly impermissible for the Controller, while exercising quasi-judicial powers under Section 15, to rely upon 'common general knowledge' as a self-sufficient ground for refusing a patent application without setting out and …
Common General KnowledgeFood Grade Sodium NitriteFree-FlowingImpurity ProfileDesignsDiageo Brands B.V. & Anr. v. Alcobrew Distilleries India Pvt. Ltd.
The test for infringement of a registered design under Section 22 of the Designs Act, 2000 is whether the design, viewed by an instructed or knowledgeable observer aware of the prior art, is identical or an obvious or fraudulent i…
Design InfringementFunctionalityNoveltyScope Of Design ProtectionPatentsF. Hoffmann-La Roche AG & Anr. v. Natco Pharma Limited
A credible challenge to patent validity under Section 64(1)(f), showing that the claimed compound is an obvious and predictable structural modification of a compound already disclosed in the patentee's own earlier prior art, can d…
EvergreeningGenus-Species PatentInterim InjunctionInventive StepPatentsFMC Corporation & Ors. v. Natco Pharma Limited
In a quia timet action under Sections 48 and 108 concerning a soon-to-expire patent, where the defendant has raised a substantial, non-frivolous challenge to validity through a pending revocation petition and has already commenced…
Interim InjunctionNoveltyPatent InfringementPrior ArtPatentsIntra-Cellular Therapies, Inc. v. The Controller of Patents
Although the deuterated compound demonstrated approximately 72% higher parent-drug exposure in the blood, the comparative studies showed substantially similar pharmacological activity between the deuterated and non-deuterated comp…
Deuterated CompoundsHeterocycle-fused Gamma-carbolinesParent Drug ExposurePharmacological Activity