Executive Summary
The Plaintiffs filed a suit seeking permanent injunction against MSN Laboratories Private Limited for infringing Indian Patent No. 294424, which covers the tetracyclic compound 'Alectinib'. The Defendant initially claimed research use only, but subsequently provided an affidavit undertaking not to commercially launch Alectinib until the patent expires or is found invalid. The court accepted these undertakings and decreed the suit.
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 Seiyaki Kabushiki Kaisha & Anr. vs MSN Laboratories Private Limited is valuable context for structuring arguments or assessing risk in similar proceedings.
Related Cases
M/s. Pyromaitre Thermal India Pvt. Ltd.vsPyromaitre INC. Thr Its Authorized Rep
The applicant (M/s. Pyromaitre Thermal India Pvt. Ltd.) filed a revision application challenging an order that rejected its application for rejection of the plaint in a commercial suit. The dispute centered on allegations of infringement of the plaintiff's industrial oven design by the respondent. The High Court upheld the lower court's decision to reject the application, finding no grounds for rejection.
Tata Consumer Products LimitedvsM/S Varahi Limited & Anr.
The Delhi High Court addressed several interlocutory applications in the trademark infringement suit filed by Tata Consumer Products Limited against M/S Varahi Limited. The court allowed defendants to file their original notarized affidavits and permitted the plaintiff to place numerous additional documents on record, including sales turnover details and evidence of prior meetings. While the core dispute involves the use of the 'HIMALAYAN' mark for mineral water, the current order focuses on procedural steps necessary to build a comprehensive case before trial.
Hindustan Unilever LimitedvsMessrs Marvellous & Anr.
The petitioner, Hindustan Unilever Limited, filed an action alleging infringement of its patent (No. 265864) covering a biocide cartridge used in a gravity-fed water purification device. The court found that the respondent company was dishonestly using the patented cartridge device and granted an order restraining such use.
Yoshida KenjivsThe Asst.Controller Of Patents
This writ petition challenged the deemed abandonment of a Japanese national's patent application. The core dispute revolved around whether the 12-month statutory period for responding to the examination report should be calculated from the date the report was issued or the date it was actually received by the petitioner. The court ruled that the time limit must be counted from the date of receipt, finding that the petitioner had submitted a valid response within the extended timeframe.
Astrazeneca AbvsIntas Pharmaceuticals Limited, Alkem Laboratories Ltd., Zydus Healthcare Limited & Anr., Torrent Pharmaceuticals Limited, Micro Labs Limited, MSN Laboratories Private Limited, Eris Lifesciences Limited, USV Private Limited, Ajanta Pharma Limited
This Delhi High Court judgment addresses multiple appeals filed by AstraZeneca seeking interim relief to restrain various pharmaceutical companies from infringing its patents. The core issue revolved around whether AstraZeneca was entitled to an immediate injunction while the underlying suits for permanent injunction were pending. The court ultimately dismissed all nine appeals, finding no merit in the appellants' claims.
Dealing with a patent challenge?
Whether it's a Section 3(d) rejection, a post-grant opposition, or a FRAND dispute, Arctic's patent litigation team has handled it. Get a strategy call.
Disclaimer: This page contains an automated summary based on publicly available judicial records. The content is generated for informational purposes only and does not constitute legal advice. Always verify details against the original source judgment before relying on this information for any legal purpose. If you believe any information is inaccurate, please contact us.