Patent 8918127

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.

  • IPR2025-01486IPRfiled Aug 29, 2025vs. Apple 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 8918127. 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

Here is a list of known litigation involving US patent 8918127:

1. District Court Litigation

  • Plaintiff(s): Not explicitly stated in the provided snippet, but usually the patent owner, which is Rembrandt Messaging Technologies LP.
  • Defendant(s): Not explicitly stated.
  • Jurisdiction: Texas Western District Court. [cite: The full patent text, under "Legal status"]
  • Case Number: 1:24-cv-01199. [cite: The full patent text, under "Legal status"]
  • Filing Date: Not explicitly stated in the provided snippet, but the case was filed in 2024. [cite: The full patent text, under "Legal status"]
  • Outcome or Current Status: Active. [cite: The full patent text, under "Legal status"]

2. Patent Trial and Appeal Board (PTAB) Litigation

  • Plaintiff(s) / Petitioner: Not explicitly stated in the provided snippet, but the Unified Patents PTAB Data link suggests Unified Patents LLC as the petitioner.
  • Defendant(s) / Patent Owner: Rembrandt Messaging Technologies LP (current assignee).
  • Jurisdiction: Patent Trial and Appeal Board (PTAB). [cite: The full patent text, under "Legal status"]
  • Case Number: IPR2025-01486. [cite: The full patent text, under "Legal status"]
  • Filing Date: Not explicitly stated in the provided snippet, but filed in 2025.
  • Outcome or Current Status: Not Instituted - Procedural. [cite: The full patent text, under "Legal status"]

Additional Litigation Information (from Google Patents "Legal status" section):

The Google Patents page for US8918127B2 also indicates "Family has litigation" and provides a link to "Global patent litigation dataset” by Darts-ip for Family ID=39735458. This suggests there may be other cases involving related patents in the same family, but the specific litigation directly against US8918127 is detailed above. [cite: The full patent text, under "Legal status"]

Generated 5/23/2026, 12:46:30 AM