Patent 8310990

Litigation summary

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

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PTAB activity (1)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

  • IPR2025-01142IPRfiled Jun 20, 2025vs. Microsoft Corporation et al.Discretionary Denial

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (2)

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Specific litigation cases in our database that name US patent 8310990. The free-form analysis below may also discuss cases beyond this list.

  • Lemko Corporation v. AT&T Inc. et al.filed Mar 17, 2025
    2:25-cv-00305U.S. District Court for the Eastern District of TexasOngoing

    Defendants: AT&T Inc., AT&T Mobility, and other subsidiaries of AT&T Inc.

  • Untitled case
    IPR2025-01142Patent Trial and Appeal Board (PTAB)Not Instituted - Procedural

Litigation summary

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

✓ Generated

Known litigation involving US patent 8310990 includes:

  1. District Court Case: Lemko Corporation v. AT&T Inc. et al.

    • Plaintiff(s): Lemko Corporation
    • Defendant(s): AT&T Inc., AT&T Mobility, and other subsidiaries of AT&T Inc.
    • Jurisdiction: U.S. District Court for the Eastern District of Texas
    • Case Number: 2:25-cv-00305
    • Filing Date: March 17, 2025
    • Current Status: The litigation is ongoing, with a motion to transfer venue having been filed. Lemko Corporation alleges infringement of seven patents, including US8310990, related to network communications, specifically targeting AT&T's Private Edge 5G Network platform and Private Mobile Connection service.

  2. PTAB Case: IPR2025-01142

    • Petitioner(s): Unified Patents PTAB Data
    • Patent Owner(s): Not explicitly stated in the provided information, but the patent is assigned to Lemko Corp.
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-01142
    • Filing Date: 2025 (implied by case number)
    • Outcome/Current Status: Not Instituted - Procedural.

Generated 5/18/2026, 12:46:21 AM