Patent 5758328
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)
Group view →Specific litigation cases in our database that name US patent 5758328. The free-form analysis below may also discuss cases beyond this list.
- 2:04-cv-04420New York Southern District Court
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known litigation involving US patent 5758328, as identified in the patent document itself:
US case filed in New York Southern District Court
- Jurisdiction: New York Southern District Court
- Case Number: 2:04-cv-04420
- Filing Date: Not explicitly provided, but linked to "2:04-cv-04420" (indicating a 2004 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in New Jersey District Court
- Jurisdiction: New Jersey District Court
- Case Number: 2:11-cv-03388
- Filing Date: Not explicitly provided, but linked to "2:11-cv-03388" (indicating a 2011 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in New Jersey District Court
- Jurisdiction: New Jersey District Court
- Case Number: 2:10-cv-02717
- Filing Date: Not explicitly provided, but linked to "2:10-cv-02717" (indicating a 2010 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in New Jersey District Court
- Jurisdiction: New Jersey District Court
- Case Number: 2:04-cv-04420
- Filing Date: Not explicitly provided, but linked to "2:04-cv-04420" (indicating a 2004 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in New Jersey District Court
- Jurisdiction: New Jersey District Court
- Case Number: 1:11-cv-03388
- Filing Date: Not explicitly provided, but linked to "1:11-cv-03388" (indicating a 2011 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in Court of Appeals for the Federal Circuit
- Jurisdiction: Court of Appeals for the Federal Circuit
- Case Number: 17-1384
- Filing Date: Not explicitly provided, but linked to "17-1384" (indicating a 2017 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
US case filed in Court of Appeals for the Federal Circuit
- Jurisdiction: Court of Appeals for the Federal Circuit
- Case Number: 16-1928
- Filing Date: Not explicitly provided, but linked to "16-1928" (indicating a 2016 filing year).
- Outcome or Current Status: Not explicitly provided in the patent document.
The patent document does not explicitly list the plaintiff(s) or defendant(s) for these cases, nor does it provide a specific outcome or current status beyond noting the case number and jurisdiction.
One search result also indicated that LendingTree, LLC is licensed under U.S. Patent No. 5,758,328, which might imply a past licensing agreement potentially stemming from or related to litigation, but no direct litigation details (plaintiff, defendant, case number, etc.) are provided in that snippet regarding this specific patent.
Generated 7/4/2026, 12:45:39 AM