OxeFit, Inc. v. Tonal Systems, Inc.

Filed2026-07-27
CourtD. Del.
Docket1:26-cv-00923
Nature of suit830 Patent
Practice areaPatent
PlaintiffOxeFit, Inc.
DefendantTonal Systems, Inc.
ComplaintDownload the complaint (PDF, free)

What the complaint alleges

OxeFit, Inc. sued Tonal Systems, Inc. in the U.S. District Court for the District of Delaware, seeking a declaratory judgment that its XS1 Peak and XS1 Flow products do not infringe U.S. Patent No. 8,287,434. The lawsuit follows a demand letter from Tonal alleging infringement of that patent and threatening legal action.

Claims asserted