- Network-1 Technologies, Inc.'s wholly-owned subsidiary, HFT Solutions, LLC, initiated **patent litigation** against Optiver US LLC and Optiver Trading US LLC on **September 10, 2025**.  **[1065078_0001072613-25-000702_exh99-1.htm:0]** **[1065078_0001072613-25-000702_form8k.htm:1]** 
- The lawsuit was filed in the United States District Court for the Western District of Texas, alleging infringement of U.S. Patent No. 10,931,286, U.S. Patent No. 11,128,305, and U.S. Patent No. 11,575,381.  **[1065078_0001072613-25-000702_exh99-1.htm:0]** **[1065078_0001072613-25-000702_form8k.htm:1]** 
- These "Patents-in-Suit" are part of the **HFT patent portfolio**, acquired in March 2022, which covers technologies used in **high-frequency trading** utilizing field-programmable gate array (FPGA) hardware.  **[1065078_0001072613-25-000702_exh99-1.htm:0]** **[1065078_0001072613-25-000702_form8k.htm:1]** 
- The HFT Patent Portfolio currently comprises **eleven (11) issued U.S. patents** and two pending applications, with patent terms expected to extend until **2040**.  **[1065078_0001072613-25-000702_exh99-1.htm:0]**

NETWORK-1 TECHNOLOGIES (NTIP)