Patent 7940851
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 (2)
Group view →Specific litigation cases in our database that name US patent 7940851. The free-form analysis below may also discuss cases beyond this list.
- IPR2018-00585Patent Trial and Appeal Board (PTAB)Final Written Decision issued
Defendants: Optis Wireless Technology LLC
- 2:17-cv-00123Texas Eastern District Courtongoing
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
As a patent attorney, I have identified the following known litigation involving US patent 7940851:
Case: IPR2018-00585
- Plaintiff(s): Unified Patents
- Defendant(s): Optis Wireless Technology LLC (Current Assignee of US7940851B2)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2018-00585
- Filing Date: Not explicitly stated in the provided text for the IPR filing, but the "Prior art date" for the patent itself is 2006-04-21 and the "Application filed by Panasonic Corp" is also 2006-04-21. The IPR case was "filed" in 2018.
- Outcome/Current Status: Final Written Decision
Case: 2:17-cv-00123
- Plaintiff(s): Optis Wireless Technology LLC (Current Assignee of US7940851B2)
- Defendant(s): Not explicitly stated in the provided text.
- Jurisdiction: Texas Eastern District Court
- Case Number: 2:17-cv-00123
- Filing Date: Not explicitly stated in the provided text.
- Outcome/Current Status: Litigation is ongoing.
In addition, the patent family has first worldwide family litigation filed, as tracked by Darts-ip.
Generated 5/29/2026, 8:50:12 PM