The Delhi High Court has upheld the refusal of a patent application for a system that locates users on peer-to-peer networks. The Court ruled that the invention was a computer program per se, excluded from patentability under Section 3(k) of the Patents Act.
Read more about Patent Application for System to Locate Users on P2P Networks Refused under Section 3(k)Tag: Indian Patent Law
Ziegler-Natta Catalyst Patent Rejection Upheld for Lack of Inventive Step
The Delhi High Court upheld the refusal of Lummus Novolen’s patent for a Ziegler-Natta catalyst, citing lack of inventive step and similarity to prior art. Read the key observations and legal reasoning.
Read more about Ziegler-Natta Catalyst Patent Rejection Upheld for Lack of Inventive StepPatent on Carbon Capture Process freed from IPO refusal
The Madras High Court has overturned the rejection of a patent on a carbon capture process, citing the Patent Office’s failure to adequately justify its decision and its reliance on new, unaddressed grounds. The Court remanded the case for a fresh hearing with a focus on technical and economic evaluations.
Read more about Patent on Carbon Capture Process freed from IPO refusalAkebia’s patent for Anemia therapy gets fresh blood from Court
In a recent case the Madras High Court upheld Akebia Therapeutics’ appeal on its anaemia treatment patent, interpreting Section 59 to allow claim amendments from treatment methods to compositions, as long as they’re disclosed in the original application. The case underscores the significance of well-documented specifications in pharmaceutical patents.
Read more about Akebia’s patent for Anemia therapy gets fresh blood from CourtBlackberry’s Patent Refusal Set Aside by Delhi High Court
The Delhi High Court has set aside the Indian Patent Office’s refusal of Blackberry’s communication patent application. Citing a lack of reasoning and violation of natural justice principles, the Court directed a fresh evaluation of the amendments and remaining objections under the Patents Act.
Read more about Blackberry’s Patent Refusal Set Aside by Delhi High CourtHybrid Cell Inventions: Section 3(j) of the Patents Act Does Not Apply
In a recent decision, the Calcutta High Court upheld an appeal filed by BTS Research International Pty Ltd (“BTS”) challenging the rejection by the Assistant...
Read more about Hybrid Cell Inventions: Section 3(j) of the Patents Act Does Not ApplyFrom Algorithms To AI: Patentability Under The 2025 CRI Draft Guidelines

The 2025 Draft CRI Guidelines issued by the Indian Patent Office refine the criteria for patentability of Computer Related Inventions (CRIs), emphasizing technical effect, inventive step, sufficiency of disclosure, and proper claim drafting for AI, blockchain, and emerging technologies.
Read more about From Algorithms To AI: Patentability Under The 2025 CRI Draft GuidelinesClarifying Patentability of Plant Treatment Methods under Section 3(h) and 3(i)
The Delhi High Court, in Syngenta Crop Protection AG vs. Assistant Controller of Patents and Designs, examined the rejection of an Indian patent application under Section 3(h) of the Patents Act. The Court ruled that plant treatment methods are distinct from agricultural processes, referring to the 2003 amendment to Section 3(i), and remanded the case for fresh examination with amended claims.
Read more about Clarifying Patentability of Plant Treatment Methods under Section 3(h) and 3(i)Evaluation of Technical Advancement and Compliance with CRI Guidelines under Indian Patent Law
The Madras High Court allowed Idemia Identity & Security France’s appeal, setting aside a refusal order under Section 3(k) for a cryptography patent. The Court ruled the order as a non-speaking one and in violation of natural justice. It directed fresh consideration of the matter, emphasizing technical contributions and adherence to CRI and European guidelines.
Read more about Evaluation of Technical Advancement and Compliance with CRI Guidelines under Indian Patent LawCourt refuses interim injunction based on Patent Prosecution History
The Delhi High Court refused an interim injunction in a patent dispute over a fuel cap, citing ambiguous claims and prosecution history. The judgment highlights the need for precise claim drafting and careful interpretation in patent litigation.
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