Patent 10749443
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 10749443. 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.
As of April 26, 2026, there is known litigation involving US Patent 10749443.
Case Details:
- Plaintiff(s): Wolfspeed, Inc.
- Defendant(s): Navitas Semiconductor
- Jurisdiction: United States District Court for the District of Delaware
- Note: One search result initially indicated the U.S. District Court for the Western District of North Carolina, but this appears to be an error as multiple other sources confirm the District of Delaware.
- Filing Date: July 7, 2026
- Outcome or Current Status: The lawsuit was recently filed, with Wolfspeed announcing it on July 7, 2026. Wolfspeed alleges that a broad range of Navitas products infringe multiple Wolfspeed patents, including US Patent No. 10,749,443. Products accused of infringement include Navitas's GaN-based FETs (GaNFast®, GaNSlim™, and GaNSafe® product families) and its GeneSiC™ MOSFETs and SiCPAK® modules. The case is ongoing, and Navitas Semiconductor's shares fell following the announcement.
Generated 7/9/2026, 12:03:01 AM