Patent 7567622

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 (3)

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Specific litigation cases in our database that name US patent 7567622. The free-form analysis below may also discuss cases beyond this list.

  • 2:26-cv-00308Texas Eastern District CourtOpen

    Defendants: Cipherlab Co Ltd

    Other patents asserted: 7154961

    The accused technology is a method for improving the reliability of wireless communications by changing how data is encoded when it has to be re-transmitted due to an error.

  • 7:26-cv-00154Texas Western District CourtJudge David Countsterminated Apr 21, 2026Closed

    Defendants: Viasat Inc

    Other patents asserted: 7154961

    The infringement involves a method of re-transmitting wireless data that alters the signal's structure to correct errors and improve the reliability of the connection.

  • 1:22-cv-00249Delaware District CourtLitigation (critical)

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

Known litigation involving US patent 7567622 (Constellation rearrangement for ARQ transmit diversity schemes) includes numerous cases filed across various U.S. District Courts. The patent expired on October 18, 2022. The current assignee of record is SWIRLATE IP LLC. Given that the patent is expired, the plaintiff in these cases is likely the current assignee, seeking damages for alleged infringement that occurred prior to the patent's expiration.

The following cases have been identified:

  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00249
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation (status not specified beyond "critical" on Google Patents).
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:21-cv-06238
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Wisconsin Eastern District Court

    • Case Number: 2:20-cv-01314
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Washington Western District Court

    • Case Number: 3:22-cv-05475
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Washington Western District Court

    • Case Number: 2:22-cv-00914
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Washington Western District Court

    • Case Number: 2:21-cv-01174
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Washington Western District Court

    • Case Number: 2:21-cv-00866
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Western District Court

    • Case Number: 7:26-cv-00154
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Western District Court

    • Case Number: 5:21-cv-00806
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: California Central District Court

    • Case Number: 8:20-cv-00983
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Colorado District Court

    • Case Number: 1:20-cv-01165
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Colorado District Court

    • Case Number: 1:22-cv-01016
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Colorado District Court

    • Case Number: 1:22-cv-02198
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:20-cv-00556
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:20-cv-00696
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:20-cv-01283
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:20-cv-01284
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00075
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00076
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00237
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00238
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00239
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00428
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00916
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-00917
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-01071
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:21-cv-01499
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00103
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00234
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00235
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00237
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Western District Court

    • Case Number: 1:20-cv-01169
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Georgia Northern District Court

    • Case Number: 1:21-cv-04450
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Southern District Court

    • Case Number: 4:22-cv-03744
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:20-cv-02538
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:20-cv-02540
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:20-cv-03078
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:20-cv-03080
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:20-cv-05745
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:21-cv-04041
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Delaware District Court

    • Case Number: 1:22-cv-00527
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:22-cv-03333
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:22-cv-04557
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Northern District Court

    • Case Number: 1:22-cv-06660
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Illinois Southern District Court

    • Case Number: 1:22-cv-06660 (Note: This case number appears identical to an Illinois Northern District Court case, but the jurisdiction is different as listed on Google Patents).
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Pennsylvania Eastern District Court

    • Case Number: 2:22-cv-02044
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Eastern District Court

    • Case Number: 2:22-cv-00425
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Eastern District Court

    • Case Number: 2:26-cv-00308
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Northern District Court

    • Case Number: 3:20-cv-01033
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Southern District Court

    • Case Number: 4:22-cv-00293
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.
  • Jurisdiction: Texas Southern District Court

    • Case Number: 4:22-cv-02543
    • Plaintiff(s): Likely SWIRLATE IP LLC (current assignee)
    • Defendant(s): Not specified in the provided patent text.
    • Filing Date: Not specified in the provided patent text.
    • Outcome/Status: Litigation.

The provided Google Patents page also indicates "First worldwide family litigation filed" with a link to Darts-ip, but specific details for this entry are not available within the provided text.

Generated 5/31/2026, 6:49:21 PM