Ziegler-Natta Catalyst Patent Rejection Upheld for Lack of Inventive Step

Illustration of a judge at a courtroom bench holding a gavel, smiling and giving a thumbs down, with a speech bubble saying “This is ‘Natta’ Catalyst” – a pun referring to the rejection of a Ziegler-Natta catalyst patent. Featured image for article: 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.

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Delhi High Court Reverses Patent Office Decision: Honeywell’s Amendments Upheld

The Delhi High Court overturned the Patent Office’s refusal of Honeywell’s patent amendments, holding that the changes were within the scope of the original claims. This ruling affirms the importance of fair and thorough examination of patent applications under Indian law.

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Reversal of unreasoned and invalid Patent refusals based on Section 3(d), Novelty, and Inventive Step

This post reviews three High Court decisions reversing unreasoned patent refusals in India, focusing on Section 3(d), novelty, and inventive step. The courts stressed the need for considering applicant submissions and proper reasoning in refusal orders.

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Justice Pratibha Singh clarifies the jurisdiction of High Courts over Patent Revocations and Appeals

Justice Pratibha Singh has clarified the jurisdiction of High Courts regarding patent appeals, revocations, and writ petitions. Her judgment in Dr. Reddys Laboratories Limited vs. The Controller of Patents & Ors. provides structured guidance on the appropriate forums for each type of patent proceeding under Indian law.

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