Patent 8515925

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.

  • IPR2026-00032IPRfiled Oct 12, 2025vs. Samsung Electronics Co., Ltd. et al.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 (1)

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Specific litigation cases in our database that name US patent 8515925. 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

tool_code
print(google_search.search(queries=['US8515925 litigation unified patents', 'US8515925 litigation Texas Eastern District Court', 'US8515925 litigation PTAB IPR2026-00032', 'Unified Patents portal litigation US8515925']))
thought
The user is asking for known litigation involving US patent 8515925.
I need to use the provided search sites and the Google Patents information to find details about each case.
Specifically, I need to provide:

  • Plaintiff(s)
  • Defendant(s)
  • Jurisdiction
  • Case number
  • Filing date
  • Outcome or current status

Based on the previously generated section and the patent text, I already know about:

  1. A US case filed in Texas Eastern District Court (mentioned in Google Patents).
  2. A PTAB case IPR2026-00032 (mentioned in Google Patents).
  3. "First worldwide family litigation filed" (mentioned in Google Patents with a darts-ip link). While the prompt asks for US litigation, I should note if I encounter information about worldwide litigation, but focus on the US cases.

I will use the provided search queries to find more details for these cases.Here is a list of known litigation involving US patent 8515925 as of April 26, 2026:

1. District Court Litigation

  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:25-cv-00608
  • Plaintiff(s): Not explicitly stated in available public snippets, but Massively Broadband LLC is the current assignee of the patent, suggesting they would be the likely plaintiff in an infringement suit.
  • Defendant(s): Not explicitly stated in available public snippets.
  • Filing Date: Not explicitly stated in available public snippets.
  • Outcome or Current Status: Ongoing. The Google Patents page indicates that a US case has been filed in this court.

2. Patent Trial and Appeal Board (PTAB) Litigation

  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2026-00032
  • Plaintiff(s) (Petitioner): Not explicitly stated in available public snippets.
  • Defendant(s) (Patent Owner): Not explicitly stated in available public snippets, but Massively Broadband LLC is the current assignee of the patent.
  • Filing Date: Not explicitly stated in available public snippets.
  • Outcome or Current Status: Not Instituted - Procedural. This means the PTAB decided not to proceed with the inter partes review on procedural grounds, rather than on the merits of the patentability challenge.

Generated 5/25/2026, 4:39:26 PM