Patent 8271315

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 (0)

Specific litigation cases in our database that name US patent 8271315. The free-form analysis below may also discuss cases beyond this list.

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Litigation summary

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

✓ Generated

As of April 26, 2026, known litigation involving US patent 8271315 includes the following cases filed in the Delaware District Court:

  1. Plaintiff(s): Keysoft, Inc.
    Defendant(s): Amazon.com, Inc.
    Jurisdiction: Delaware District Court
    Case Number: 1:24-cv-00256
    Filing Date: February 26, 2024
    Current Status: The case is pending.

  2. Plaintiff(s): Keysoft, Inc.
    Defendant(s): Salesforce, Inc.
    Jurisdiction: Delaware District Court
    Case Number: 1:24-cv-00257
    Filing Date: February 26, 2024
    Current Status: The case is pending.

Generated 5/19/2026, 12:01:16 PM