Rob Hainer / Shutterstock.com
A US toy manufacturer has teamed up with multinational chain Toys R Us to file the first Post-Grant Review (PGR) petition to challenge a patent related to the popular Rainbow Loom craze.
If you have already subscribed please login.
If you have any technical issues please email tech support.
LaRose Industries, Choon’s Design, Toys R Us, Rainbow Loom