SANOFI AVENTIS vs INTAS PHARMACEUTICALS LTD. & ANR

* IN THE HIGH COURT OF DELHI AT NEW DELHI % Judgment Reserved on: 19th March, 2026 Judgment pronounced on: 28th April, 2026 CS(COMM) 120/2016 SANOFI .....Plaintiff Through: Mr. Pravin Anand, Ms. Vaishali Mittal and Mr. Siddhant Chamola, Advocates versus INTAS PHARMACEUTICALS LTD. & ANR. .....Defendants Through: Mr. Rajiv Nayar and Mr. C.M. Lall, Senior Advocates with Ms. Vrinda Pathak, Mr. P.S. Manjunathan, Ms. Rinkoo Kakkar, Ms. Annanya, Mr. Rajnish Kumar and Ms. Sandhya Kukreti, Advocates CORAM: HON'BLE MR. JUSTICE AMIT BANSAL JUDGMENT AMIT BANSAL, J. 1. The present suit has been filed seeking relief of permanent injunction restraining the defendants from infringing the trade marks of the plaintiff and from passing off of their goods as those of the plaintiff along with other ancillary reliefs. CASE SETUP BY THE PLAINTIFF 2. Brief facts relevant for adjudicating the present suit are as follows: 2.1. The plaintiff, a company registered under the laws of France, is engaged in research, development, manufacturing and marketing of inter alia medicinal and pharmaceutical preparations. 2.2. The plaintiff is one of the world’s leading pharmaceutical companies and has over the years manu