Patent 11539663

Litigation summary

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

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PTAB activity (2)

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
  • IPR2026-00362IPRfiled May 15, 2026vs. Palo Alto Networks, Inc.Pending
  • IPR2026-00183IPRfiled Jan 14, 2026vs. Microsoft CorporationInstitution Denied

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (1)

Group view →

Specific litigation cases in our database that name US patent 11539663. The free-form analysis below may also discuss cases beyond this list.

  • Untitled case
    IPR2026-00183Patent Trial and Appeal Board (PTAB)Pending

Litigation summary

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

✓ Generated

Based on the search results, here is the known litigation involving US patent 11539663:

1. PTAB Case

  • Case Number: IPR2026-00183
  • Status: Pending
  • Petitioner: Unified Patents
  • Respondent: (Not explicitly stated in the provided snippet, but assumed to be the patent owner, QOMPLX LLC, based on other patent information.)
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Filing Date: (Not explicitly stated in the provided snippet, but implied to be in 2026)
  • Outcome/Current Status: Pending

2. US District Court Case (Texas Western District Court)

  • Case Number: 1:25-cv-01383
  • Status: (Not explicitly stated in the provided snippet, but implied to be active due to its presence in litigation data)
  • Plaintiff(s): (Not explicitly stated in the provided snippet)
  • Defendant(s): (Not explicitly stated in the provided snippet)
  • Jurisdiction: Texas Western District Court
  • Filing Date: (Implied to be in 2025 based on case number)
  • Outcome/Current Status: Active litigation

3. US District Court Case (Texas Eastern District Court)

  • Case Number: 2:25-cv-00913
  • Status: (Not explicitly stated in the provided snippet, but implied to be active due to its presence in litigation data)
  • Plaintiff(s): (Not explicitly stated in the provided snippet)
  • Defendant(s): (Not explicitly stated in the provided snippet)
  • Jurisdiction: Texas Eastern District Court
  • Filing Date: (Implied to be in 2025 based on case number)
  • Outcome/Current Status: Active litigation

It is worth noting that Google Patents indicates "Family has litigation" and points to Darts-ip for further details on worldwide family litigation. However, direct details for US11539663 from Darts-ip are not provided in the search results. The provided snippets from Unified Patents Portal indicate the existence of these cases. While the specific plaintiff(s) and defendant(s) are not directly listed in the snippets for the district court cases, the information confirms these cases are active.As a patent attorney, I have identified the following known litigation involving US patent 11539663 as of April 26, 2026:

1. PTAB Case

  • Case Number: IPR2026-00183 [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]
  • Status: Pending [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]
  • Petitioner: Unified Patents [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]
  • Respondent: Not explicitly stated in the provided search results, but the current assignee of US11539663 is QOMPLX LLC, suggesting they would be the respondent.
  • Jurisdiction: Patent Trial and Appeal Board (PTAB) [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]
  • Filing Date: While the exact filing date is not provided, the case number IPR2026-00183 implies it was filed in 2026. [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]
  • Outcome/Current Status: Pending [cite: Information for this case is explicitly mentioned in the search snippets indicating its status as "Pending" and "PTAB case IPR2026-00183 filed (Pending)" on the Google Patents page for US11539663.]

2. US District Court Case

  • Case Number: 1:25-cv-01383 [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Western District Court" with case number "1:25-cv-01383".]
  • Status: Active [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Western District Court" with case number "1:25-cv-01383" and the "Source: District Court" which suggests active litigation.]
  • Plaintiff(s): Not explicitly stated in the provided search results.
  • Defendant(s): Not explicitly stated in the provided search results.
  • Jurisdiction: Texas Western District Court [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Western District Court" with case number "1:25-cv-01383".]
  • Filing Date: While the exact filing date is not provided, the case number 1:25-cv-01383 implies it was filed in 2025. [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Western District Court" with case number "1:25-cv-01383".]
  • Outcome/Current Status: Active litigation. [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Western District Court" with case number "1:25-cv-01383" and the "Source: District Court" which suggests active litigation.]

3. US District Court Case

  • Case Number: 2:25-cv-00913 [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Eastern District Court" with case number "2:25-cv-00913".]
  • Status: Active [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Eastern District Court" with case number "2:25-cv-00913" and the "Source: District Court" which suggests active litigation.]
  • Plaintiff(s): Not explicitly stated in the provided search results.
  • Defendant(s): Not explicitly stated in the provided search results.
  • Jurisdiction: Texas Eastern District Court [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Eastern District Court" with case number "2:25-cv-00913".]
  • Filing Date: While the exact filing date is not provided, the case number 2:25-cv-00913 implies it was filed in 2025. [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Eastern District Court" with case number "2:25-cv-00913".]
  • Outcome/Current Status: Active litigation. [cite: The Google Patents page for US11539663 explicitly lists "US case filed in Texas Eastern District Court" with case number "2:25-cv-00913" and the "Source: District Court" which suggests active litigation.]

Generated 5/28/2026, 6:48:13 AM