$~45 * IN THEHIGH COURTOF DELHIAT NEW DELHI + CS(COMM) 1376/2025& I.As. 32016-23/2025 INCYTE HOLDINGS CORPORATION & ORS. .....Plaintiffs Through: Ms. Mamta R. Jha, Mr. Abhay Tondon and Ms. Kirti, Advocates versus SUN PHARMACEUTICAL INDUSTRIES LIMITED .....Defendant Through: Ms. Rajeshwari H., Mr. Tahir A. J.

and Ms. Aeshita Marwah, Advocates CORAM:

HON'BLE MS. JUSTICE MANMEET PRITAM SINGH ARORA

O R D E R

% 19.12.2025

1. Let the plaint be registered as a suit.

2. Issue summons.

3. Mr. Tahir A.J., Advocate, accepts summons on behalf of the Defendant. He confirms the receipt of suit paper-book and waives the right of formal service of summons.

4. The present suit pertains to infringement of Plaintiff No. 1’s Indian Patent No. 269841 [‘Suit Patent’ or IN’841], which protects the novel and inventive compound ‘Ruxolitinib’. In particular, Claims No. 1, 17 and 21 of the Suit Patent coverand claim the patented compound ‘Ruxolitinib’, pharmaceutically acceptable salt, and composition thereof respectively. This drug is used in the treatment of intermediate or high-risk myelofibrosis, a type of myeloproliferative disorder that affects the bone marrow, and for polycythemia vera [‘PV’], when there has