A replacement product built to exact original equipment specifications, sometimes using OEM tool and die. These products may have expired design patents or no design patent in Canada.

A product developed to replace an original equipment product with significant design modifications. It replaces a product with an active design patent and/or the original tool and die is proprietary.

An original product that did not make it onto the assembly line (excess stock) or off of the assembly line (blemished or defective).