(February 21, 2024, 11:18 AM EST) -- CHICAGO — Citing a plaintiff’s “trend of under-developing arguments” in trademark and copyright litigation over its continuous positive airway pressure (CPAP) filters, a federal judge in Illinois denied summary judgment, finding — among other things — that there is “no case law supporting the proposition that a product itself . . . can constitute a spurious mark for the purposes of establishing a counterfeit.”...