Plenum Panels™ are protected by several patents including 8490355, 8534018, 8635822, 9050766, 8615945, 9091049, 9604428.

There are additional patents pending in the US and Canada and include a current application claiming priority to 2010 which protects a wealth of potential claims outlined in the original applications, including various methods of creating the shear matrix and manufacturing panels.
An additional patent application describes how Plenum PanelsTM are used to construct an entire dwelling or building using only Plenum Panels for floors, roofs and walls. (US
20190210317A1).