Only a Patent Owner's Action Triggers § 315(b)'s Time Bar

State regulation of PFAS-containing products will ramp up significantly in 2026. Most notably, companies will have to comply with Minnesota’s sweeping new product-reporting requirements.  As we explain below, Minnesota’s requirements cast a wide net, capturing companies that may not sell products directly into the state. This and other features of the state’s reporting program are likely to present significant compliance challenges for a wide range of businesses....