Patent 8145721

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 (0)

Specific litigation cases in our database that name US patent 8145721. 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

Based on the provided authoritative patent record, there is a contradiction with the previously generated summary. The summary dated April 26, 2026, stated that a search "did not yield any specific litigation related to this patent." However, the patent's own record indicates significant litigation activity was initiated in 2025.

As of May 11, 2026, U.S. Patent 8,145,721 is involved in the following known litigation. The plaintiff is inferred to be Novacloud Licensing LLC, which became the assignee of record in June 2024, prior to these cases being filed.

Known Litigation for U.S. Patent 8,145,721

The following cases have been identified from the patent's legal status records (Source: https://patents.google.com/patent/[US8145721](/patent/US8145721)/en).

1. Texas Eastern District Court Case

  • Plaintiff(s): Likely Novacloud Licensing LLC.
  • Defendant(s): Not specified in the provided information.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas.
  • Case Number: 2:25-cv-01266.
  • Filing Date: The case number indicates a filing year of 2025.
  • Status: Given the recent filing date, this case is presumed to be active and ongoing.

2. Delaware District Court Case (a)

  • Plaintiff(s): Likely Novacloud Licensing LLC.
  • Defendant(s): Not specified in the provided information.
  • Jurisdiction: U.S. District Court for the District of Delaware.
  • Case Number: 1:25-cv-01272.
  • Filing Date: The case number indicates a filing year of 2025.
  • Status: Given the recent filing date, this case is presumed to be active and ongoing.

3. Delaware District Court Case (b)

  • Plaintiff(s): Likely Novacloud Licensing LLC.
  • Defendant(s): Not specified in the provided information.
  • Jurisdiction: U.S. District Court for the District of Delaware.
  • Case Number: 1:25-cv-00674.
  • Filing Date: The case number indicates a filing year of 2025.
  • Status: Given the recent filing date, this case is presumed to be active and ongoing.

4. California Northern District Court Case

  • Plaintiff(s): Likely Novacloud Licensing LLC.
  • Defendant(s): Not specified in the provided information.
  • Jurisdiction: U.S. District Court for the Northern District of California.
  • Case Number: 3:25-cv-08118.
  • Filing Date: The case number indicates a filing year of 2025.
  • Status: Given the recent filing date, this case is presumed to be active and ongoing.

Generated 5/11/2026, 6:01:56 PM