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  • Divisional application, Section 16

    Is the Right to File a Divisional Application Conditional? The Madras High Court Disagrees

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    June 5, 2025

    The Madras High Court addressed the scope of Section 16(1) of the Patents Act, 1970 in its recent decision in University College London vs The Assistant Controller of Patents and Designs [CMA(PT) No.45 of 2024]. Section 16(1) permits an applicant to file a further application, referred to as divisional application,…

    Continue reading →: Is the Right to File a Divisional Application Conditional? The Madras High Court Disagrees
  • Inventive Step, Natural Justice, Section 2(1)(ja), unreasoned order

    Can New Prior Art Be Introduced in Hearing Notices? Calcutta High Court Says It Violates the Statutory Scheme

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    June 4, 2025

    In the case ofAtlas Copco Airpower Naamloze Vennootschap vs The Controller General of Patents and Designs & Anr. [IPDPTA/12/2022], the Calcutta High Court dealt with the procedural irregularity of introducing new prior art references for the first time at the stage of hearing under Section 14 of the Patents Act,…

    Continue reading →: Can New Prior Art Be Introduced in Hearing Notices? Calcutta High Court Says It Violates the Statutory Scheme
  • Indian Patents Act, Natural Justice, Section 21(1), SER

    Can a Hearing Notice Be Called a Second Examination Report? Madras High Court Says No

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    June 3, 2025

    In the case of M/s. Haldor Topsoe A/S vs Controller of Patents & Designs (Writ Petition No. 2943 of 2022), the Madras High Court permitted the revival of the patent application number 297/CHE/2012 which was deemed abandoned under Section 21 of the Patents Act, 1970. The Court quashed the impugned…

    Continue reading →: Can a Hearing Notice Be Called a Second Examination Report? Madras High Court Says No
  • Indian Patent Office, Indian Patents Act, Rule 61, Section 25(2), unreasoned order

    Excluded Means Excluded: Court Finds Controller’s Reliance on Technical Drawing from Chinese Prior Art Excluded Under Rule 61(2) Impermissible

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    June 2, 2025

    The Madras High Court, in the case of Maya Appliances Pvt. Ltd. vs Deputy Controller of Patents and Designs & Anr.[CMA(PT) No.5 of 2025], set aside an order of the Deputy Controller of Patents and Designs that revoked patent no. 452008, granted in favour of Maya Appliances Pvt. Ltd., entitled…

    Continue reading →: Excluded Means Excluded: Court Finds Controller’s Reliance on Technical Drawing from Chinese Prior Art Excluded Under Rule 61(2) Impermissible
  • Article 27.2, section 3 (b), TRIPS

    Section 3(b) is the Intent Principle, Not the Effect or Harm Principle, Says Calcutta HC

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    May 30, 2025

    We had discussed in our earlier post how the Calcutta High Court, in R J Reynolds Tobacco Company vs Controller General of Patents [IPDPTA/31/2023], noted that “Section 3(b) focuses on the primary or intended use or commercial exploitation of an invention. The underlying interest being ethical considerations”. In a similar…

    Continue reading →: Section 3(b) is the Intent Principle, Not the Effect or Harm Principle, Says Calcutta HC
  • Infringement, interim injunction, ToR

    Court Upholds Agreed Terms of Reference in Patent Dispute: Orders Defendant to Disclose Manufacturing Process Documents

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    May 29, 2025

    In an ongoing infringement suit in Syngenta Limited and Anr. vs GSP Crop Science Pvt. Ltd. [CS(COMM) 87/2020], concerning two process patents related to the manufacture of Azoxystrobin, the Delhi High Court directed the defendant, GSP Crop Science Pvt. Ltd., to disclose documents related to the technical features of its…

    Continue reading →: Court Upholds Agreed Terms of Reference in Patent Dispute: Orders Defendant to Disclose Manufacturing Process Documents
  • Indian Patent Office, Indian Patents Act, Patents (Amendment) Rules 2024, Rule 55, Section 25(1)

    Old Opposition, New Rules? How are the Patents (Amendment) Rules, 2024 Shaping Pending Patent Proceedings

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    May 26, 2025

    Patent Rules, 2003, saw a significant change on March 15, 2024, when the Patents (Amendment) Rules, 2024 came into effect. One of the notable changes was to Rule 55, which governs how pre-grant oppositions are handled. Under the new Rule 55(3), the Controller is obligated to provide a reasoned order…

    Continue reading →: Old Opposition, New Rules? How are the Patents (Amendment) Rules, 2024 Shaping Pending Patent Proceedings
  • Indian Patents Act, Section 59

    From Method Claim to Composition Claim

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    May 23, 2025

    In its recent decision in Akebia Therapeutics Inc. vs Controller of Patents and Designs [CMA(PT)/64/2024], the Madras High Court set aside the order passed by the Controller in national phase application number 201647000423, entitled “Composition and Methods for Treating Anemia”, and remanded the application to the Patent Office for re-consideration.…

    Continue reading →: From Method Claim to Composition Claim
  • Delay in prosecution, Indian Patent Office, Indian Patents Act, Natural Justice, Section 15, Section 25(1), unreasoned order

    Cut, Copy, Paste is Not Justice: Calcutta High Court Sets a Standard for Fair Proceedings under the Patents Act

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    May 22, 2025

    In its recent decision in the case of UPL Ltd. vs Astec Lifeciences Limited & Anr. [IPDPTA/2/2024], the Calcutta High Court made some key observations regarding the handling of proceedings under Sections 14, 15, and 25(1) of the Patents Act, 1970. In the instant case, the Appellant challenged the refusal…

    Continue reading →: Cut, Copy, Paste is Not Justice: Calcutta High Court Sets a Standard for Fair Proceedings under the Patents Act
  • Indian Patent Office, Indian Patents Act, Section 59

    Contrasting Approaches: Delhi High Court on Allowing Claim Amendments

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    May 21, 2025

    In our last post, we discussed the decision in the case of Fresenius Medical Care Deutschland GmbH vs Controller General of Patents[C.A.(COMM.IPD-PAT) 302/2022] where the Delhi High Court allowed and took on record the amended claims, upholding the principle that in an appeal against a refusal order, the High Court…

    Continue reading →: Contrasting Approaches: Delhi High Court on Allowing Claim Amendments
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Welcome to Patents Rewind, Anand and Anand’s Patents and Designs blog that offers you an Indian perspective on issues surrounding patent and design eligibility and enforcement through latest case law and developments in the Indian patents and designs landscape.

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  • Calcutta High Court Grants Interim Injunction in NOCIL’s 4-ADPA Process Patent and Trade Secret Dispute

  • Delhi High Court Grants Ex Parte Injunction Against Intas in Novartis’ Quia Timet Action Over Dabrafenib Patent

  • Delhi High Court Rejects Challenge to Territorial Jurisdiction in Patent Infringement Suit

  • Delhi High Court Grants Rs. 152 Crore Damages in Communication Components Antenna vs Rosenberger

  • No Mechanical Notices for Pre-Grant Opposition: Madras High Court Emphasises Application of Mind Under Rule 55(3)

  • Delhi High Court Holds Section 25(1) Pre-Grant Opposition Hearing Cannot Substitute Statutory Hearing Under Section 14

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