Patent 9313101

Litigation summary

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

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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.

1 active
  • IPR2026-00321IPRfiled Mar 30, 2026vs. Cisco Systems, Inc.Pending

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Cases on file (1)

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Specific litigation cases in our database that name US patent 9313101. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

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

✓ Generated

Litigation and Post-Grant Proceedings Update for U.S. Patent 9,313,101

As of April 30, 2026, U.S. Patent 9,313,101 is involved in at least two known legal proceedings. This information updates and supersedes the details noted in previously generated sections of this analysis.

District Court Litigation

A patent infringement lawsuit has been filed in the U.S. District Court for the Eastern District of Texas.

  • Plaintiff: Optimnet LLC
  • Defendant: Cisco Systems, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:25-cv-00935
  • Filing Date: September 4, 2025
  • Status: The current status of this case is pending.

Post-Grant Proceedings

A post-grant challenge has been filed against the patent at the U.S. Patent and Trademark Office's Patent Trial and Appeal Board (PTAB).

  • Proceeding Type: Inter Partes Review (IPR)
  • Case Number: IPR2026-00321
  • Petitioner: Cisco Systems, Inc.
  • Patent Owner: Optimnet LLC
  • Filing Date: March 30, 2026
  • Status: Pending

This Inter Partes Review proceeding was initiated by Cisco Systems, Inc. to challenge the validity of one or more claims of the '101 patent. The filing of this IPR is subsequent to the district court litigation filed by Optimnet LLC and is a common defensive strategy in patent disputes.

Generated 4/30/2026, 8:40:41 PM