Executive Summary
Chugai Seiyaku Kabushiki Kaisha filed a suit seeking an ad interim injunction against Hetero Labs Limited for infringing Indian Patent No. IN 294424, which covers Alectinib or its salts/solvates. The court allowed the application subject to exceptions, permitting defendants to use the drug for research purposes under Section 107A of the Patents Act but prohibiting commercial launch without prior court permission.
Practitioner Note
This case demonstrates the evidentiary and procedural standards applied in patent matters before Delhi High Court - Orders. 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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