Patent 10991097

Litigation summary

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

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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.

  • IPR2026-00185IPRfiled Dec 30, 2025vs. Guardant Health, Inc.Discretionary Denial

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

Cases on file (2)

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Specific litigation cases in our database that name US patent 10991097. 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

As of April 26, 2026, the following litigation involving US Patent 10,991,097 is known:

  • Plaintiff(s): Tempus AI Inc
  • Defendant(s): Guardant Health Inc
  • Jurisdiction: U.S. District Court for the Southern District of California
  • Case Number: 3:25-cv-00621
  • Filing Date: March 14, 2025
  • Outcome/Current Status: The case is for patent infringement, and a first-instance judgment was issued on August 1, 2025, with an outcome of "other."

Additionally, Unified Patents has filed an inter partes review (IPR) case against US Patent 10,991,097:

  • Plaintiff(s) (Petitioner): Unified Patents
  • Defendant(s) (Patent Owner): Tempus AI Inc (current assignee of US10991097)
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2026-00185
  • Filing Date: Not explicitly stated, but the status is "Pending" with a critical flag.
  • Outcome/Current Status: Pending.

Generated 5/28/2026, 12:46:32 AM