Patent 8019332

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 (0)

Specific litigation cases in our database that name US patent 8019332. The free-form analysis below may also discuss cases beyond this list.

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Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

US patent 8019332 has been involved in several litigation cases. The following information is based on the "Legal status" and "Family has litigation" sections from the Google Patents entry for US8019332:

  1. Jurisdiction: Texas Eastern District Court

    • Case Number: 2:16-cv-00058
    • Status: Critical (currently active in litigation)
    • Filing Date: Not explicitly provided in the snippet, but the case is listed as "Critical" and active within the Google Patents record as of the current date.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

  2. Jurisdiction: Court of Appeals for the Federal Circuit

    • Case Number: 22-1925
    • Status: Active litigation
    • Filing Date: Not explicitly provided in the snippet.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

  3. Jurisdiction: Court of Appeals for the Federal Circuit

    • Case Number: 22-1904
    • Status: Active litigation
    • Filing Date: Not explicitly provided in the snippet.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

  4. Jurisdiction: Texas Eastern District Court

    • Case Number: 2:16-cv-00060
    • Status: Active litigation
    • Filing Date: Not explicitly provided in the snippet.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

  5. Jurisdiction: Texas Eastern District Court

    • Case Number: 2:19-cv-00066
    • Status: Active litigation
    • Filing Date: Not explicitly provided in the snippet.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

  6. Jurisdiction: PTAB

    • Case Number: IPR2017-00754
    • Status: Settlement
    • Filing Date: Not explicitly provided in the snippet.
    • Petitioner: Not explicitly stated in the snippet.
    • Outcome: Settlement

  7. Jurisdiction: Texas Eastern District Court

    • Case Number: 2:16-cv-00059
    • Status: Active litigation
    • Filing Date: Not explicitly provided in the snippet.
    • Plaintiff(s): Not explicitly stated in the provided snippet.
    • Defendant(s): Not explicitly stated in the provided snippet.

Additional information regarding the plaintiff for some of these cases can be inferred from the patent's assignment history, which indicates OPTIS CELLULAR TECHNOLOGY, LLC became an assignee in 2014. Therefore, it is highly probable that Optis Cellular Technology, LLC, or entities related to it, would be the plaintiff in the infringement cases. However, without specific documentation for each case, the plaintiff(s) and defendant(s) cannot be definitively listed from the provided snippets for each specific case. The filing dates are also not directly available from the Google Patents snippet for these particular litigation entries.

Generated 5/29/2026, 8:52:20 PM