F- HOFFMANN -LA ROCHE AG & ANR. vs ZYDUS LIFESCIENCES LIMITED,

Judgment text excerpt

* IN THE HIGH COURT OF DELHI AT NEW DELHI % Judgment Reserved on: 27.03.2025 Judgment pronounced on: 23.07.2025 + CS(COMM) 159/2024 with I.A. 4196/2024, I.A. 4198/2024, I.A. 5827/2024, I.A. 33509/2024 and I.A. 36101/2024 F- HOFFMANN -LA ROCHE AG & ANR. .....Plaintiffs Through: Mr. Arvind Nigam and Mr. Sandeep Sethi, Senior Advocates with Mr. Pravin Anand, Mr. Shrawan Chopra, Ms. Prachi Agarwal, Mr. Achyut Tewari, Mr. Aayush Maheshwari, Ms. Krisha Baweja and Mr. Sumer Seth, Advocates. versus ZYDUS LIFESCIENCES LIMITED, .....Defendant Through: Mr. Dushyant Dave and Mr. Rajshekhar Rao, Senior Advocates with Mr. Adarsh Ramanujan, Ms. Bitika Sharma, Ms. Vrinda Pathak, Ms. Sandhya Kukreti, Mr. Rajnish Singh and Ms. S. L. Sojanya, Advocates. CORAM: HON’BLE MR. JUSTICE AMIT BANSAL JUDGMENT AMIT BANSAL, J. I.A. 5827/2024 (seeking constitution of a confidentiality club) Signature Not Verified CS(COMM) 159/2024 Digitally Signed By:AANCHAL TAGGAR Page 1 of 40 Signing Date:23.07.2025 20:27:44 1. The present suit has been filed inter alia seeking relief of permanent injunction restraining infringement of the following two Indian patents (hereinafter collectively referred to as the ‘suit patents’): a. Indian patent no. IN 268632 titled as ‘PHARMACEUTICAL FORMULATION COMPRISING HER2 ANTIBODY’ (hereinafter ‘IN’632’) is a product patent which relates to an aqueous pharmaceutical formulation comprising Pertuzumab and excipients such as sucrose, histidine acetate buffer, polysorbate such that the pH of the said formulation is between 5.5-6.5. b. Indian patent no. IN 464646 titled as ‘PERTUZUMAB VARIANTS AND EVALUATION THEREOF’ (hereinafter ‘IN’646’) is a process patent which relates to the method for making a composition comprising Pertuzumab and one or more variants. CASE SET UP IN THE PL