Patent 8862978

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 8862978. 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

Known litigation involving US patent 8862978 as of April 26, 2026:

  1. TrackTime, LLC v. Amazon.com Services LLC

    • Plaintiff(s): TrackTime, LLC
    • Defendant(s): Amazon.com Services LLC
    • Jurisdiction: U.S. Court of Appeals for the Federal Circuit
    • Case Number: 24-1102
    • Filing Date: Not explicitly stated in the provided text for the CAFC case, but the case number "24-1102" suggests it was filed in 2024.
    • Current Status (as of April 26, 2026): The case is pending before the CAFC. The district court had previously concluded that "executable program code configured to facilitate annotation" in claim 1 and "executable program code configured to synchronously play…multimedia" in claim 2 were means-plus-function terms under 35 U.S.C. Section 112(f) and ruled the claims indefinite due to insufficient disclosure of an algorithm. This ruling is being appealed. A decision is anticipated after July 2, 2026, but as of the current date (April 26, 2026), the case is still active and awaiting a ruling on the appeal.

  2. TrackTime, LLC v. Amazon.com Services LLC (District Court)

    • Plaintiff(s): TrackTime, LLC
    • Defendant(s): Amazon.com Services LLC
    • Jurisdiction: Delaware District Court
    • Case Number: 1:18-cv-01518
    • Filing Date: Not explicitly stated in the provided text, but the case number "1:18-cv-01518" suggests it was filed in 2018.
    • Outcome/Current Status: The district court issued a ruling finding certain claims (claims 1 through 10) of the '978 patent indefinite. This ruling is currently under appeal at the Federal Circuit (Case No. 24-1102).

A general web search for "US patent 8862978 litigation" also points to these two primary related cases, with the most recent activity being the Federal Circuit appeal. No other distinct litigation cases were identified within the scope of this search.

Further details regarding the district court case filing date would require accessing PACER or similar public court record systems directly, which is beyond the scope of this response given the provided text and search capabilities.Known litigation involving US patent 8862978 as of April 26, 2026:

  1. TrackTime, LLC v. Amazon.com Services LLC

    • Plaintiff(s): TrackTime, LLC
    • Defendant(s): Amazon.com Services LLC
    • Jurisdiction: Court of Appeals for the Federal Circuit
    • Case Number: 24-1102
    • Filing Date: Not explicitly stated in the provided patent text. (The case number 24-1102 suggests it was filed in 2024).
    • Current Status: The case is active and pending before the U.S. Court of Appeals for the Federal Circuit. It involves an appeal of a district court's indefiniteness ruling concerning claims 1 through 10 of US patent 8862978. The district court had previously found that "executable program code configured to facilitate annotation" in claim 1 and "executable program code configured to synchronously play…multimedia" in claim 2 were means-plus-function terms under 35 U.S.C. Section 112(f) and ruled the claims indefinite due to insufficient disclosure of an algorithm. The CAFC is reviewing this decision.

  2. TrackTime, LLC v. Amazon.com Services LLC

    • Plaintiff(s): TrackTime, LLC
    • Defendant(s): Amazon.com Services LLC
    • Jurisdiction: Delaware District Court
    • Case Number: 1:18-cv-01518
    • Filing Date: Not explicitly stated in the provided patent text. (The case number 1:18-cv-01518 suggests it was filed in 2018).
    • Outcome/Current Status: This district court case resulted in a ruling that claims 1 through 10 of US patent 8862978 were indefinite. This ruling is currently the subject of the appeal in the Federal Circuit case listed above (24-1102).

No other litigation involving US patent 8862978 is known from the provided information.

Generated 7/9/2026, 6:01:18 AM