NATERA INC AND ANR vs THE ASSISTANT CONTROLLER OF PATENTS AND DESIGNS

$~J4 * IN THE HIGH COURT OF DELHI AT NEW DELHI Reserved on: 21st December, 2024 Pronouncement on:9th October, 2025 C.A.(COMM.IPD-PAT) 16/2023 NATERA INC AND ANR. .....Appellants Through: Ms. Vindhya S. Mani, Ms. Surbhi Nautiyal, Ms. Naina Gupta, Ms. Harshita Agarwal, Ms. Vedika Singhvi, Mr. Ritwik Sharma, Mr. Bhuvan Malhotra and Mr. Devesh Aswal, Advs. (M: 9717065125) versus THE ASSISTANT CONTROLLER OF PATENTS AND DESIGNS .....Respondent Through: Ms. Arunima Dwivedi, CGSC. (M:9971724716) with Ms. Swati Jhunjhunwala, Ms. Pinky Pawar, Mr. Aakash Pathak along with Mr. Prasad, Deputy Controller. Mr. Adarsh Ramanujan, Amicus Curiae. (M:99999 84703) CORAM: JUSTICE PRATHIBA M. SINGH JUDGMENT PRATHIBA M. SINGH, J. 1. This hearing has been done through hybrid mode. 2. The present appeal involves an interpretation of the exclusions from patentability in respect of diagnostic methods under Section 3(i) of the Patents Act, 1970 (hereinafter “the Act”). 3. The appeal has been filed under Section 117A of the Act, challenging the impugned order dated 20th March, 2023 passed by the Respondent – Assistant Controller of Patents and Designs. C.A.(COMM.IPD-PAT) 16/2023 4. Vide the impugned order the R