In 1991, Avia filed a lawsuit against Nike, alleging that Nike's ''Air 180'' and ''Air Force 180'' running and basketball shoes infringed upon Avia patents. Avia accused Nike of pirating its ''Cantilever'' technology, which uses a cushion to provide shock absorption and stability.
In 1991, Avia lodged a complaint against Nike, claiming that Nike's ''Air 180'' and ''Air Force 180'' running and basketball shoes infringed upon Avia's patents, specifically the ''Cantilever'' technology used to provide cushioning and balance.