Patent 6708213

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 6708213. 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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US Patent 6708213 has been involved in several litigation cases, including district court actions and inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB), as well as appeals to the Court of Appeals for the Federal Circuit (CAFC). The current assignee, as of the publication date, is Sound View Innovations LLC. Therefore, Sound View Innovations LLC is the likely plaintiff in the infringement suits.

Below is a list of known litigation involving US Patent 6708213, based on the provided patent information, with inferred details where explicit information is not given:

I. District Court Cases

  1. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00193
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Listed as "Critical" status. As of April 26, 2026, it is likely active or has reached a significant stage.

  2. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00194
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Status not explicitly stated but often associated with "Critical" for similar cases. As of April 26, 2026, it is likely active or has reached a significant stage.

  3. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00660
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  4. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00147
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  5. Jurisdiction: California Central District Court

    • Case Number: 2:17-cv-04146
    • Filing Date: Implied 2017
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it may be concluded or in an advanced stage.

  6. Jurisdiction: California Central District Court

    • Case Number: 2:17-cv-04275
    • Filing Date: Implied 2017
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it may be concluded or in an advanced stage.

  7. Jurisdiction: Colorado District Court

    • Case Number: 1:19-cv-03707
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  8. Jurisdiction: Colorado District Court

    • Case Number: 1:19-cv-03709
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  9. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00145
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  10. Jurisdiction: Delaware District Court

    • Case Number: 1:19-cv-00146
    • Filing Date: Implied 2019
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely active or has reached a significant stage.

  11. Jurisdiction: Delaware District Court

    • Case Number: 1:16-cv-00652
    • Filing Date: Implied 2016
    • Plaintiff(s): Likely Sound View Innovations LLC (current assignee)
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Not explicitly stated. As of April 26, 2026, it is likely concluded or in an advanced stage.

II. PTAB (Inter Partes Review) Cases

  1. Jurisdiction: PTAB

    • Case Number: IPR2020-00969
    • Filing Date: Implied 2020
    • Plaintiff(s) (Patent Owner): Sound View Innovations LLC (assignee)
    • Defendant(s) (Petitioner): Not explicitly stated in the provided text.
    • Outcome/Current Status: "Not Instituted - Merits".

  2. Jurisdiction: PTAB

    • Case Number: IPR2020-00817
    • Filing Date: Implied 2020
    • Plaintiff(s) (Patent Owner): Sound View Innovations LLC (assignee)
    • Defendant(s) (Petitioner): Not explicitly stated in the provided text.
    • Outcome/Current Status: "Settlement".

  3. Jurisdiction: PTAB

    • Case Number: IPR2018-01023
    • Filing Date: Implied 2018
    • Plaintiff(s) (Patent Owner): Sound View Innovations LLC (assignee)
    • Defendant(s) (Petitioner): Not explicitly stated in the provided text.
    • Outcome/Current Status: "Not Instituted - Merits".

III. Court of Appeals for the Federal Circuit (CAFC) Cases

  1. Jurisdiction: Court of Appeals for the Federal Circuit

    • Case Number: 24-1092
    • Filing Date: Implied 2024
    • Plaintiff(s): Not explicitly stated (likely the appellant from a lower court case).
    • Defendant(s): Not explicitly stated (likely the appellee from a lower court case).
    • Outcome/Current Status: Active, given the 2024 filing date and current date of April 26, 2026.

  2. Jurisdiction: Court of Appeals for the Federal Circuit

    • Case Number: 22-161
    • Filing Date: Implied 2022
    • Plaintiff(s): Not explicitly stated (likely the appellant from a lower court case).
    • Defendant(s): Not explicitly stated (likely the appellee from a lower court case).
    • Outcome/Current Status: Active or recently concluded, given the 2022 filing date and current date of April 26, 2026.

  3. Jurisdiction: Court of Appeals for the Federal Circuit

    • Case Number: 21-1998
    • Filing Date: Implied 2021
    • Plaintiff(s): Not explicitly stated (likely the appellant from a lower court case).
    • Defendant(s): Not explicitly stated (likely the appellee from a lower court case).
    • Outcome/Current Status: Active or recently concluded, given the 2021 filing date and current date of April 26, 2026.

The Google Patents information also mentions "First worldwide family litigation filed" with a link to Darts-ip. However, without specific US case details, it is not included in the above list of US patent litigation.

Generated 5/29/2026, 5:59:11 PM