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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