Patent US5978773

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 (4)

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Specific litigation cases in our database that name US patent US5978773. 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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Known Litigation Involving U.S. Patent No. 5,978,773

As of April 26, 2026, U.S. Patent No. 5,978,773 has been asserted in multiple lawsuits. The following is a list of known litigation involving this patent:

Case 1: Neomedia Technologies, Inc. v. The Home Depot, Inc.

  • Plaintiff: Neomedia Technologies, Inc.
  • Defendant: The Home Depot, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Pennsylvania
  • Case Number: 2:01-cv-05497
  • Filing Date: October 31, 2001
  • Outcome/Status: The outcome of this case is not publicly available in the searched records.

Case 2: Neomedia Technologies, Inc. v. Symbol Technologies, Inc. et al.

  • Plaintiff: Neomedia Technologies, Inc.
  • Defendant(s): Symbol Technologies, Inc. and others
  • Jurisdiction: U.S. District Court for the Eastern District of Pennsylvania
  • Case Number: 2:04-cv-02307
  • Filing Date: May 27, 2004
  • Outcome/Status: The specific outcome for this case is not detailed in the available public records.

Case 3: Neomedia Technologies, Inc. v. Amazon.com, Inc. et al.

  • Plaintiff: Neomedia Technologies, Inc.
  • Defendant(s): Amazon.com, Inc. and others.
  • Jurisdiction: U.S. District Court for the Northern District of Illinois
  • Case Number: 1:04-cv-00021
  • Filing Date: January 5, 2004
  • Outcome/Status: Public records on the final disposition of this case are not readily available.

Case 4: NM, LLC v. The Kroger Co.

  • Plaintiff: NM, LLC
  • Defendant: The Kroger Co.
  • Jurisdiction: U.S. District Court for the District of Colorado
  • Case Number: 1:14-cv-01315
  • Filing Date: May 9, 2014
  • Outcome/Status: The current status or outcome of this litigation is not available in the public records searched.

It is important to note that while the existence of these cases has been established, detailed outcomes are not consistently available in public databases. Further research into specific court records for each case would be required to determine the final dispositions.

Generated 4/29/2026, 6:23:01 PM