Patent 7844882

Litigation summary

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

Active provider: Google · gemini-2.5-flash

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 7844882. The free-form analysis below may also discuss cases beyond this list.

No cases on file mention this patent. Upload a CSV or add a case manually in Admin → Manage litigation cases.

Litigation summary

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

✓ Generated

US7844882B2 - Resource sharing in a telecommunications environment - Google Patents
Family has litigation.
...
PTAB case IPR2022-00664 filed (Settlement).
litigation. Critical. https://portal.unifiedpatents.com/ptab/case/IPR2022-00664.
...
US case filed in Delaware District Court.
litigation. https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A15-cv-00121.
...
First worldwide family litigation filed.
litigation. https://patents.darts-ip.com/?family=[35517609](/patent/35517609)&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=[US7844882](/patent/US7844882)(B2).
...
US case filed in Delaware District Court.
litigation. https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A13-cv-01835.
...
US case filed in Delaware District Court.
litigation. https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A13-cv-02013.
...
US case filed in Court of Appeals for the Federal Circuit.
litigation. https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/24-1588.
...
US case filed in Court of Appeals for the Federal Circuit.
litigation. https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/24-1587.
...
US case filed in Court of Appeals for the Federal Circuit.
litigation. https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/18-2158.
...
PTAB case IPR2023-00068 filed (Not Instituted - Procedural).
litigation. https://portal.unifiedpatents.com/ptab/case/IPR2023-00068.
...
US case filed in Delaware District Court.
litigation. https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A14-cv-00954.
...
US case filed in Texas Eastern District Court.
litigation. https://portal.unifiedpatents.com/litigation/Texas%20Eastern%20District%20Court/case/2%3A21-cv-00309.
...
US case filed in Texas Eastern District Court.
litigation. https://portal.unifiedpatents.com/litigation/Texas%20Eastern%20District%20Court/case/2%3A21-cv-00310.
...
US case filed in Alabama Northern District Court.
litigation. https://portal.unifiedpatents.com/litigation/Alabama%20Northern%20District%20Court/case/5%3A14-cv-01381.
https://patents.google.com/patent/US7844882/en

IPR2022-00664 - Unified Patents Portal
Case Data. IPR2022-00664.
...
Status. Settlement.
...
Petitioner. Unified Patents.
...
Patent Owner. TQ Delta LLC.
https://portal.unifiedpatents.com/ptab/case/IPR2022-00664
IPR2023-00068 - Unified Patents Portal
Case Data. IPR2023-00068.
...
Status. Not Instituted - Procedural.
...
Petitioner. Unified Patents.
...
Patent Owner. TQ Delta LLC.
https://portal.unifiedpatents.com/ptab/case/IPR2023-00068
Case: 1:15-cv-00121 | Unified Patents Portal
Case Data. 1:15-cv-00121.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. ZYXEL COMMUNICATIONS CORP.
...
Court. Delaware District Court.
https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A15-cv-00121
Case: 1:13-cv-01835 | Unified Patents Portal
Case Data. 1:13-cv-01835.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. ARRIS GROUP, INC., ARRIS INTERNATIONAL, INC., MOTOROLA MOBILITY LLC.
...
Court. Delaware District Court.
https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A13-cv-01835
Case: 1:13-cv-02013 | Unified Patents Portal
Case Data. 1:13-cv-02013.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. COMCAST CABLE COMMUNICATIONS, LLC.
...
Court. Delaware District Court.
https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A13-cv-02013
Case: 1:14-cv-00954 | Unified Patents Portal
Case Data. 1:14-cv-00954.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. ARRIS GROUP, INC., ARRIS INTERNATIONAL, INC., MOTOROLA MOBILITY LLC.
...
Court. Delaware District Court.
https://portal.unifiedpatents.com/litigation/Delaware%20District%20Court/case/1%3A14-cv-00954
Case: 2:21-cv-00309 | Unified Patents Portal
Case Data. 2:21-cv-00309.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. COMCAST CABLE COMMUNICATIONS LLC.
...
Court. Texas Eastern District Court.
https://portal.unifiedpatents.com/litigation/Texas%20Eastern%20District%20Court/case/2%3A21-cv-00309
Case: 2:21-cv-00310 | Unified Patents Portal
Case Data. 2:21-cv-00310.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. ZYXEL COMMUNICATIONS CORP.
...
Court. Texas Eastern District Court.
https://portal.unifiedpatents.com/litigation/Texas%20Eastern%20District%20Court/case/2%3A21-cv-00310
Case: 5:14-cv-01381 | Unified Patents Portal
Case Data. 5:14-cv-01381.
...
Plaintiff. TQ DELTA LLC.
...
Defendant. ADTRAN, INC.
...
Court. Alabama Northern District Court.
https://portal.unifiedpatents.com/litigation/Alabama%20Northern%20District%20Court/case/5%3A14-cv-01381
Case: 18-2158 | Unified Patents Portal
Case Data. 18-2158.
...
Plaintiff. TQ Delta LLC.
...
Defendant. ARRIS International, Inc.
...
Court. Court of Appeals for the Federal Circuit.
https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/18-2158
Case: 24-1587 | Unified Patents Portal
Case Data. 24-1587.
...
Plaintiff. TQ Delta LLC.
...
Defendant. AT&T Services, Inc.
...
Court. Court of Appeals for the Federal Circuit.
https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/24-1587
Case: 24-1588 | Unified Patents Portal
Case Data. 24-1588.
...
Plaintiff. TQ Delta LLC.
...
Defendant. Zyxel Communications Corporation.
...
Court. Court of Appeals for the Federal Circuit.
https://portal.unifiedpatents.com/litigation/Court%20of%20Appeals%20for%20the%20Federal%20Circuit/case/24-1588
TQ Delta LLC v. Adtran, Inc., 2018 WL 4938634 (Fed. Cir. 2018)
The United States Court of Appeals for the Federal Circuit decision in TQ Delta LLC v. Adtran, Inc., 2018 WL 4938634 (Fed. Cir. 2018), related to appeals from a district court case.
https://law.justia.com/cases/federal/appellate-courts/cafc/18-2158/18-2158-2018-10-10.html

US Patent 7844882 has been involved in significant litigation, primarily by TQ Delta LLC as the plaintiff. Here is a summary of known cases:

District Court Cases:

  • TQ Delta LLC v. Zyxel Communications Corp.

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Zyxel Communications Corp.
    • Jurisdiction: Delaware District Court
    • Case Number: 1:15-cv-00121
    • Filing Date: Not explicitly provided, but the case is listed under a 2015-cv-00121 number, indicating a filing year of 2015.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Arris Group, Inc., Arris International, Inc., Motorola Mobility LLC

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Arris Group, Inc., Arris International, Inc., Motorola Mobility LLC
    • Jurisdiction: Delaware District Court
    • Case Number: 1:13-cv-01835
    • Filing Date: Not explicitly provided, but the case is listed under a 2013-cv-01835 number, indicating a filing year of 2013.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Comcast Cable Communications, LLC

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Comcast Cable Communications, LLC
    • Jurisdiction: Delaware District Court
    • Case Number: 1:13-cv-02013
    • Filing Date: Not explicitly provided, but the case is listed under a 2013-cv-02013 number, indicating a filing year of 2013.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Arris Group, Inc., Arris International, Inc., Motorola Mobility LLC

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Arris Group, Inc., Arris International, Inc., Motorola Mobility LLC
    • Jurisdiction: Delaware District Court
    • Case Number: 1:14-cv-00954
    • Filing Date: Not explicitly provided, but the case is listed under a 2014-cv-00954 number, indicating a filing year of 2014.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Adtran, Inc.

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Adtran, Inc.
    • Jurisdiction: Alabama Northern District Court
    • Case Number: 5:14-cv-01381
    • Filing Date: Not explicitly provided, but the case is listed under a 2014-cv-01381 number, indicating a filing year of 2014.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Comcast Cable Communications LLC

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Comcast Cable Communications LLC
    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:21-cv-00309
    • Filing Date: Not explicitly provided, but the case is listed under a 2021-cv-00309 number, indicating a filing year of 2021.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

  • TQ Delta LLC v. Zyxel Communications Corp.

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Zyxel Communications Corp.
    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:21-cv-00310
    • Filing Date: Not explicitly provided, but the case is listed under a 2021-cv-00310 number, indicating a filing year of 2021.
    • Outcome/Status: Status not explicitly provided, but listed as "litigation" in Google Patents.

Court of Appeals for the Federal Circuit (CAFC) Cases:

  • TQ Delta LLC v. ARRIS International, Inc.

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): ARRIS International, Inc.
    • Jurisdiction: Court of Appeals for the Federal Circuit
    • Case Number: 18-2158
    • Filing Date: Not explicitly provided, but the case number indicates it was filed in 2018.
    • Outcome/Status: This case is related to appeals from a district court case.

  • TQ Delta LLC v. AT&T Services, Inc.

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): AT&T Services, Inc.
    • Jurisdiction: Court of Appeals for the Federal Circuit
    • Case Number: 24-1587
    • Filing Date: Not explicitly provided, but the case number indicates it was filed in 2024.
    • Outcome/Status: Status not explicitly provided.

  • TQ Delta LLC v. Zyxel Communications Corporation

    • Plaintiff(s): TQ Delta LLC
    • Defendant(s): Zyxel Communications Corporation
    • Jurisdiction: Court of Appeals for the Federal Circuit
    • Case Number: 24-1588
    • Filing Date: Not explicitly provided, but the case number indicates it was filed in 2024.
    • Outcome/Status: Status not explicitly provided.

Patent Trial and Appeal Board (PTAB) Cases:

  • IPR2022-00664

    • Petitioner: Unified Patents
    • Patent Owner: TQ Delta LLC
    • Jurisdiction: PTAB
    • Case Number: IPR2022-00664
    • Filing Date: Not explicitly provided, but the case number indicates it was filed in 2022.
    • Outcome/Status: Settlement

  • IPR2023-00068

    • Petitioner: Unified Patents
    • Patent Owner: TQ Delta LLC
    • Jurisdiction: PTAB
    • Case Number: IPR2023-00068
    • Filing Date: Not explicitly provided, but the case number indicates it was filed in 2023.
    • Outcome/Status: Not Instituted - Procedural

Generated 5/29/2026, 8:53:23 PM