Patent 8276048

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 (1)

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Specific litigation cases in our database that name US patent 8276048. 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

As of April 26, 2026, the following litigation involving US Patent 8276048 is known:

  • Plaintiff(s): TQ Delta LLC
  • Defendant(s): Multiple entities across various cases. Specific defendants include Advanced Lighting Concepts, LLC (though this appears to be associated with a different patent, 8,830,048, not 8276048). For cases explicitly citing US8276048, defendant names were not uniformly available in the provided snippets.
  • Jurisdiction: Delaware District Court; Court of Appeals for the Federal Circuit; Alabama Northern District Court; Texas Eastern District Court.
  • Case Number(s) & Status:
    • 1:14-cv-00954 (Delaware District Court)
    • 1:13-cv-01835 (Delaware District Court)
    • 24-1588 (Court of Appeals for the Federal Circuit)
    • 24-1587 (Court of Appeals for the Federal Circuit)
    • 18-2158 (Court of Appeals for the Federal Circuit)
    • 5:14-cv-01381 (Alabama Northern District Court)
    • 1:15-cv-00121 (Delaware District Court)
    • 2:21-cv-00310 (Texas Eastern District Court)
    • 1:13-cv-02013 (Delaware District Court)
    • IPR2023-00064 (PTAB) - Not Instituted - Procedural
    • IPR2022-00666 (PTAB) - Settlement
  • Filing Date(s): Specific filing dates for all listed cases were not explicitly available, but the patent itself was filed on 2010-10-11 and published on 2012-09-25.
  • Outcome or Current Status: Outcomes vary per case. Some PTAB cases show "Not Instituted - Procedural" or "Settlement." Many District Court cases are simply listed as "litigation" without a detailed outcome in the provided information.

Generated 5/29/2026, 8:53:59 PM