Litigation summary

Based on the provided information, US patent 9491564 is involved in multiple litigation cases. Here are the details available as of April 26, 2026:

Known Litigation Involving US Patent 9491564:

• Case 1:

  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:25-cv-00710
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 2:

  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:25-cv-00711
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 3 (PTAB):

  • Jurisdiction: PTAB
  • Case Number: IPR2026-00271
  • Status: Pending
  • Plaintiff(s): Not explicitly stated, but "Petitioner" is mentioned.
  • Defendant(s): Not explicitly stated.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 4:

  • Jurisdiction: Texas Western District Court
  • Case Number: 7:25-cv-00407
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 5:

  • Jurisdiction: California Northern District Court
  • Case Number: 3:25-cv-07453
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 6:

  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:25-cv-00709
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 7:

  • Jurisdiction: California Northern District Court
  • Case Number: 3:25-cv-07591
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 8:

  • Description: First worldwide family litigation filed.
  • Status: Active, filed
  • Jurisdiction: Not explicitly stated for this particular entry, but it is a "Global patent litigation dataset".
  • Case Number: Not explicitly stated in the provided snippet.
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

• Case 9:

  • Jurisdiction: California Northern District Court
  • Case Number: 5:25-cv-07453
  • Status: Active, filed
  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Filing Date: Not explicitly stated in the provided snippet.

The Google Patents page for US9491564 indicates "Family has litigation" and lists several US cases filed in various district courts and one PTAB case. The source for this litigation data is Unified Patents and Darts-ip. Specific plaintiffs and defendants are not detailed in the available snippets from the Google Patents page.

Note: The current date for this task is April 26, 2026. The previously generated section was dated May 25, 2026. This analysis uses the date provided in the current prompt.