Patent 11329655

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

Active provider: Google · gemini-2.5-flash

PTAB activity (1)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

1 active
  • IPR2026-00387IPRfiled Jun 5, 2026vs. Optiver US LLC et al.Pending

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (1)

Group view →

Specific litigation cases in our database that name US patent 11329655. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

Known Litigation Involving US Patent 11329655

As of April 26, 2026, U.S. Patent 11329655 is involved in at least one known patent infringement lawsuit in U.S. federal court. This patent is part of a larger portfolio asserted by HFT Solutions, LLC, a subsidiary of Network-1 Technologies, Inc.

1. HFT Solutions, LLC v. Optiver US LLC et al.

  • Plaintiff(s): HFT Solutions, LLC

  • Defendant(s): Optiver US LLC and Optiver Trading US LLC

  • Jurisdiction: United States District Court for the Western District of Texas

  • Case Number: 7:25-cv-00415

  • Filing Date: September 8, 2025

  • Current Status: HFT Solutions, LLC commenced this patent litigation alleging infringement of certain patents within its High-Frequency Trading (HFT) Patent Portfolio, which includes technologies utilizing Field-Programmable Gate Array (FPGA) hardware and clock domain management. The defendants, Optiver US LLC and Optiver Trading US LLC, filed their answer and counterclaims of non-infringement and invalidity of the asserted patents on November 21, 2025. A trial date for this case has been scheduled for June 7, 2027.

    It is important to note that an Inter Partes Review (IPR2026-00387) challenging US Patent 11329655 was filed by Optiver US LLC et al. on June 5, 2026. This PTAB proceeding is typically initiated in response to the assertion of a patent in district court litigation, thereby confirming that US11329655 is among the patents being asserted against Optiver in this case.

Generated 6/6/2026, 12:45:34 AM