Patent 8862508

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 8862508. 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

US Patent 8862508 is currently involved in several litigation proceedings.

Here's a summary of the known litigation:

1. Mcom IP, LLC v. City National Bank of Florida

  • Plaintiff(s): mCom IP, LLC
  • Defendant(s): City National Bank of Florida
  • Jurisdiction: Southern District of Florida (District Court) and Court of Appeals for the Federal Circuit (CAFC)
  • Case Number: Specific district court case number not provided in search results, but CAFC appeal numbers 24-1828 and 24-2089 are noted as active, and 26-1284.
  • Filing Date: The lawsuit in Southern Florida was filed by mCom IP, LLC asserting claims from US Patent 8862508.
  • Outcome/Status:
    • District Court: The Southern District of Florida dismissed mCom IP's complaint after finding the asserted patent claims obvious and that mCom did not adequately plead infringement. The district court also granted City National's motion for attorney's fees under 35 U.S.C. § 285 and attorney sanctions under 28 U.S.C. § 1927.
    • CAFC: On May 15, 2026, the U.S. Court of Appeals for the Federal Circuit affirmed the district court's obviousness findings but reversed the attorney's fee award and attorney sanctions. The CAFC noted that mere invalidity was not legally sufficient for awarding fees and found that mCom did not develop evidence of frivolous litigation conduct. Mcom IP, LLC appealed the obviousness findings only with respect to claim 17 of the patent. The Federal Circuit concluded the district court erroneously found the case exceptional for awarding attorney's fees.

2. Inter Partes Review (IPR) Proceedings

  • Petitioner: Unified Patents, LLC
  • Patent Owner: mCom IP, LLC (as implied from the district court case)
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2022-00055
  • Filing Date: October 15, 2021
  • Outcome/Status: Several claims of the '508 patent were invalidated in these IPR proceedings. The PTAB issued a final written decision. An Inter Partes Review Certificate was issued on April 26, 2023.

Other Litigation Mentions:
The patent is also listed in numerous other district court litigation records across various districts in Texas, California, Colorado, Florida, Georgia, Massachusetts, and New York. While specific plaintiff/defendant details and outcomes for each are not immediately available from the provided search snippets, the sheer volume suggests significant enforcement or challenge activity surrounding this patent. These include:

  • Texas Southern District Court: Cases such as 4:24-cv-02176, 4:24-cv-02183, 4:24-cv-02189, 4:22-cv-03821, 4:22-cv-04171, 4:23-cv-01847, 4:23-cv-01863.
  • New York Southern District Court: Cases such as 1:23-cv-08793, 1:21-cv-07975, 1:22-cv-02046, 1:23-cv-08772, 1:23-cv-08801, 1:23-cv-08806, 1:23-cv-08832, 1:23-cv-09550, 1:23-cv-09554, 1:23-cv-09612, 1:24-cv-04568.
  • Texas Western District Court: Cases such as 6:24-cv-00216, 6:24-cv-00114, 6:23-cv-00659, 6:21-cv-00196, 6:21-cv-00197, 6:21-cv-00216, 6:21-cv-00217, 6:21-cv-00218, 6:21-cv-00325, 6:21-cv-00480, 6:21-cv-00499, 6:21-cv-00500, 6:21-cv-00698, 6:21-cv-00826, 6:21-cv-00827, 6:21-cv-00829, 6:21-cv-00966, 6:21-cv-00989, 6:21-cv-00996, 6:22-cv-00256, 6:22-cv-00260, 6:22-cv-00261, 6:22-cv-00262, 6:22-cv-00263, 6:22-cv-01134, 6:22-cv-01148, 6:22-cv-01248, 6:23-cv-00253, 6:23-cv-00256, 6:23-cv-00258, 6:23-cv-00388, 6:23-cv-00433, 6:23-cv-00434, 6:23-cv-00435, 6:23-cv-00436, 6:23-cv-00437, 6:23-cv-00612, 6:23-cv-00613, 6:23-cv-00614.
  • California Central District Court: Cases such as 2:21-cv-07474, 2:22-cv-00231.
  • California Eastern District Court: Case 3:24-cv-03609.
  • Colorado District Court: Case 1:23-cv-01606.
  • Florida Middle District Court: Case 3:23-cv-00975.
  • Florida Southern District Court: Case 1:23-cv-23427.
  • Georgia Northern District Court: Case 1:23-cv-02145.
  • Massachusetts District Court: Case 1:21-cv-10657.
  • Texas Eastern District Court: Cases such as 2:21-cv-00168, 2:23-cv-00225, 2:23-cv-00272, 2:23-cv-00408, 2:24-cv-00431, 2:24-cv-00432, 2:24-cv-00478, 3:21-cv-01550.
  • Texas Northern District Court: Cases such as 3:21-cv-02215, 3:21-cv-02285, 3:21-cv-02288, 3:22-cv-00574, 3:22-cv-02398, 3:22-cv-02447.

Generated 5/20/2026, 12:01:23 AM