Patent 12123035

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 with claims invalidated
  • PGR2025-00009PGRfiled Dec 27, 2024vs. Merck Sharp & Dohme LLCClaims 1, 2, 6-14, 16-29 unpatentable

Defender signal. A prior IPR has found at least some claims unpatentable. Those final written decisions are public record and can ground a new IPR strategy or a § 102/§ 103 motion in district court.

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 12123035. 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 is known for US Patent 12123035:

1. Post-Grant Review (PGR) Proceeding

  • Case Number: PGR2025-00009
  • Jurisdiction: Patent Trial and Appeal Board (PTAB) of the USPTO
  • Plaintiff(s): Merck Sharp & Dohme LLC
  • Defendant(s): Halozyme Inc.
  • Filing Date: December 27, 2024
  • Outcome/Current Status: Pending - Instituted

Generated 6/25/2026, 6:45:34 AM