The US Court of Appeals for the Federal Circuit affirmed that patented articles must be marked in order for the patentee to recover pre-notification or pre-complaint damages. Arctic Cat Inc. v. Bombardier Recreational Products Inc., Case No. 19-1080 (Fed. Cir. Feb. 19, 2020) (Lourie, J).

In 2002, Arctic Cat entered into a licensing agreement with Honda for patents related to personal watercraft. The license agreement contained no provisions requiring Honda, as a licensee, to mark all licensed products with the applicable patent numbers. Honda began selling unmarked watercraft, and Arctic Cat made no attempt to ensure that the products were marked. Approximately a decade later, Honda stopped selling the unmarked products.


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