Patent 9198261
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Active provider: Google · gemini-2.5-flash
No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.
Cases on file (2)
Group view →Specific litigation cases in our database that name US patent 9198261. The free-form analysis below may also discuss cases beyond this list.
- Vannisi et al. v. LiPang et al.filed Apr 21, 202626-1711Court of Appeals for the Federal CircuitOpen
Defendants: LiPang, Vrasly, Roadway Retail LLC, and 1 other
The products accused of infringement are lighting devices.
- 1:24-cv-12029Illinois Northern District CourtActive
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
As of April 26, 2026, the following litigation involving US Patent 9,198,261 is known:
- Jurisdiction: Illinois Northern District Court
- Case Number: 1:24-cv-12029
- Status: Active.
- Jurisdiction: Texas Western District Court
- Case Number: 6:25-cv-00494
- Status: Active.
No further details regarding plaintiffs, defendants, or filing dates for these specific cases were immediately available from the provided search results.
Generated 5/30/2026, 8:46:52 AM