Executive Summary
The Plaintiffs filed a suit seeking permanent injunction and damages against the Defendants for infringing Indian Patent No. 294424, which covers the tetracyclic compound Alectinib used in cancer treatment. The dispute centered on whether the Defendant's import and use of Alectinib Hydrochloride were commercial infringements or activities permitted under Section 107A (Bolar provision) for research and regulatory purposes.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before Delhi High Court. Understanding the court's reasoning in Chugai Seiyaku Kabushiki Kaisha vs Hetero Labs Limited is valuable context for structuring arguments or assessing risk in similar proceedings.
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