Patent 8643513

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 (4)

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Specific litigation cases in our database that name US patent 8643513. 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.

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Here is a list of known litigation involving US patent 8643513, based on the provided patent text and associated litigation data:

Patent: US8643513B2 - Data compression systems and methods
Current Assignee: Realtime Data LLC

Known litigation includes:

  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-00089
    • Status: Critical (from Google Patents listing)
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-00961
    • Source: District Court
  • Jurisdiction: PTAB
    • Case Number: IPR2017-01664
    • Outcome/Status: Settlement
    • Source: Unified Patents PTAB Data
  • Jurisdiction: PTAB
    • Case Number: IPR2017-00366
    • Outcome/Status: Final Written Decision
    • Source: Unified Patents PTAB Data
  • Jurisdiction: PTAB
    • Case Number: IPR2016-00978
    • Outcome/Status: Final Written Decision
    • Source: Unified Patents PTAB Data
  • Jurisdiction: PTAB
    • Case Number: IPR2016-00374
    • Outcome/Status: Settlement
    • Source: Unified Patents PTAB Data
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:18-cv-00385
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:18-cv-00383
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:17-cv-00071
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:17-cv-00046
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-01037
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-01035
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00463
    • Source: District Court
  • Jurisdiction: Delaware District Court
    • Case Number: 1:18-cv-02017
    • Source: District Court
  • Jurisdiction: First worldwide family litigation filed (general reference, no specific case details provided on Google Patents beyond the link)
  • Jurisdiction: California Northern District Court
    • Case Number: 3:16-cv-01836
    • Source: District Court
  • Jurisdiction: California Northern District Court
    • Case Number: 3:17-cv-02109
    • Source: District Court
  • Jurisdiction: California Northern District Court
    • Case Number: 3:18-cv-06029
    • Source: District Court
  • Jurisdiction: California Northern District Court
    • Case Number: 4:17-cv-02373
    • Source: District Court
  • Jurisdiction: Court of Appeals for the Federal Circuit (CAFC)
    • Case Number: 21-2251
    • Source: Court of Appeals for the Federal Circuit
  • Jurisdiction: Court of Appeals for the Federal Circuit (CAFC)
    • Case Number: 21-2291
    • Source: Court of Appeals for the Federal Circuit
  • Jurisdiction: Delaware District Court
    • Case Number: 1:17-cv-00925
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-00087
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00464
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:16-cv-00086
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00465
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00466
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00467
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00468
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00469
    • Source: District Court
  • Jurisdiction: Texas Eastern District Court
    • Case Number: 6:15-cv-00470
    • Source: District Court

The Google Patents listing for US8643513B2 provides the jurisdiction and case number, along with a source (Unified Patents Litigation Data or Darts-ip), and sometimes the outcome for PTAB cases. However, it does not explicitly list plaintiffs, defendants, or filing dates directly within the snapshot provided, except where noted for PTAB petitioners (which are not named in the provided text snippets for this patent). To get these additional details (plaintiffs, defendants, filing dates), one would typically need to navigate to the linked external sources (e.g., Unified Patents portal, Darts-ip, or PACER) and extract the information from the individual case dockets. Without accessing those external sites, I cannot provide those specific details for all listed cases.

Generated 5/29/2026, 8:56:02 PM