Patent 12427372
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Active provider: Google · gemini-2.5-flash
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 12427372. The free-form analysis below may also discuss cases beyond this list.
- Ritfit LLC et al. v. Ningbo Huayue Dianzi Shangwu Youxian Gongsi et al.filed Apr 17, 20261:26-cv-04386Illinois Northern District CourtOpen
Defendants: Ningbo Huayue Dianzi Shangwu Youxian Gongsi and Zhong YIN
The accused product is a leg extension and curl machine sold by RITFIT.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
US Patent 12427372 is involved in at least one litigation case.
Known Litigation Involving US Patent 12427372:
- Plaintiff(s): Not explicitly stated in the provided snippet, but the Google Patents information indicates that a "US case filed in Illinois Northern District Court" is related to litigation concerning this patent.
- Defendant(s): Not explicitly stated in the provided snippet.
- Jurisdiction: Illinois Northern District Court.
- Case Number: 1:26-cv-04386.
- Filing Date: Not explicitly stated in the provided snippet.
- Outcome or Current Status: The status is listed as "litigation" and "Critical" on Google Patents, indicating the case is active.
Additional details such as the specific plaintiff(s), defendant(s), and filing date could potentially be found by accessing the Unified Patents Portal link or PACER directly with the case number, which may require an account. The Darts-ip platform also provides global IP case data and litigation intelligence.Known litigation involving US patent 12427372:
- Jurisdiction: Illinois Northern District Court
- Case Number: 1:26-cv-04386
- Plaintiff(s): Not explicitly stated in the provided information.
- Defendant(s): Not explicitly stated in the provided information.
- Filing Date: Not explicitly stated in the provided information.
- Outcome or Current Status: The case is listed as "litigation" and "Critical" on Google Patents, indicating it is currently active.
Generated 5/31/2026, 6:46:40 AM