Patent 8259688
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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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 (3)
Group view →Specific litigation cases in our database that name US patent 8259688. The free-form analysis below may also discuss cases beyond this list.
- WI-LAN Inc. et al. v. Toyota Motor Corporation et al.filed Jan 22, 20252:25-cv-00066Texas Eastern District Courtterminated Aug 11, 2025Closed
Defendants: Toyota Motor Corporation, Toyota Motor North America, Inc., and Toyota Motor Sales, U.S.A., Inc.
- Wi-LAN et al. v. TCT Mobile US, Inc.filed Jun 25, 20248:24-cv-01403California Central District Courtterminated Feb 11, 2025dismissed with prejudice
Defendants: TCT Mobile US, Inc.
- 8:19-cv-00870California Central District Courtactive
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
US Patent 8259688, titled "Pre-allocated random access identifiers," has been involved in several litigation proceedings. Based on available information, these include multiple US district court cases and one PTAB (Patent Trial and Appeal Board) case.
Here is a list of known litigation involving US patent 8259688:
Jurisdiction: California Central District Court
- Case Number: 8:19-cv-00870
- Plaintiff(s): Not publicly available from current search results.
- Defendant(s): Not publicly available from current search results.
- Filing Date: Not publicly available from current search results.
- Outcome or Current Status: Not publicly available from current search results.
Jurisdiction: California Central District Court
- Case Number: 8:24-cv-01403
- Plaintiff(s): Not publicly available from current search results.
- Defendant(s): Not publicly available from current search results.
- Filing Date: Not publicly available from current search results.
- Outcome or Current Status: Not publicly available from current search results.
Jurisdiction: Texas Eastern District Court
- Case Number: 2:25-cv-00066
- Plaintiff(s): Not publicly available from current search results.
- Defendant(s): Not publicly available from current search results.
- Filing Date: Not publicly available from current search results.
- Outcome or Current Status: Not publicly available from current search results.
Jurisdiction: Texas Eastern District Court
- Case Number: 6:13-cv-00519
- Plaintiff(s): Not publicly available from current search results.
- Defendant(s): Not publicly available from current search results.
- Filing Date: Not publicly available from current search results.
- Outcome or Current Status: Not publicly available from current search results.
Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2020-00302
- Petitioner(s): Not publicly available from current search results.
- Patent Owner(s): Not publicly available from current search results.
- Filing Date: Not publicly available from current search results.
- Outcome or Current Status: Not Instituted - Merits
The detailed information regarding the plaintiffs, defendants, and filing dates for these cases, beyond what is available on the Google Patents page (which links to the Unified Patents portal), is not directly retrievable through general web search queries at this time. Access to subscription-based legal databases like PACER or direct access to the Unified Patents and Darts-ip portals linked from the patent record would be necessary to obtain these specifics.
Generated 5/29/2026, 8:54:12 PM