Patent 8180198
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.
- IPR2025-01314IPRfiled Aug 29, 2025vs. Samsung Electronics Co. Ltd. et al.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 (2)
Group view →Specific litigation cases in our database that name US patent 8180198. The free-form analysis below may also discuss cases beyond this list.
- IPR2025-01314Patent Trial and Appeal Board (PTAB)Pending - Instituted
Defendants: Maxell Ltd.
- 5:25-cv-00052Texas Eastern District Courtactive
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known litigation involving US patent 8180198 as of April 26, 2026, includes the following:
- Plaintiff(s) (Petitioner): Unified Patents
- Defendant(s) (Patent Owner): Maxell Ltd. (current assignee of US8180198B2)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-01314
- Filing Date: The filing year is 2025, as indicated by the case number IPR2025-01314. The specific filing date is not explicitly provided in the available information.
- Outcome or Current Status: Pending - Instituted
2. US District Court Case
- Plaintiff(s): Not explicitly provided in the available information.
- Defendant(s): Not explicitly provided in the available information.
- Jurisdiction: Texas Eastern District Court
- Case Number: 5:25-cv-00052
- Filing Date: The filing year is 2025, as indicated by the case number 5:25-cv-00052. The specific filing date is not explicitly provided in the available information.
- Outcome or Current Status: Status is not explicitly provided, but the case is noted as "filed" and "litigation" is active for the patent family.
Generated 5/23/2026, 12:45:51 AM