Patent 11261566

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.

1 active
  • IPR2025-01116IPRfiled Jun 6, 2025vs. Albany International Corp.Trial Instituted

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 11261566. 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 11261566 includes an Inter Partes Review (IPR) proceeding before the Patent Trial and Appeal Board (PTAB).

Case: IPR2025-01116

  • Plaintiff(s): ALBANY INTERNATIONAL CORP.
  • Defendant(s): VOITH PATENT GMBH
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2025-01116
  • Filing Date: The patent document US11261566B2 indicates that IPR2025-01116 was filed. While an exact filing date for IPR2025-01116 is not explicitly stated in the provided search snippets, the IPR number itself (IPR2025-...) suggests it was filed in the fiscal year 2025.
  • Outcome or Current Status: Pending - Instituted. The patent document US11261566B2 states the case is "Pending - Instituted". Search results further confirm that documents like a "PO Preliminary Sur-Reply" are being filed, indicating active proceedings after institution.

Generated 5/16/2026, 6:48:30 PM