The document discusses three recent Supreme Court rulings related to patent litigation. The Apple v. Samsung ruling found that design patents do not require proving causation for total profit awards under section 289. There is also disagreement among Federal Circuit judges regarding standards for enhanced damages. Additionally, the Commil v. Cisco ruling determined that an invalidity belief is not a defense against induced infringement charges. It held that infringement and validity are separate issues, and allowing an invalidity defense would undermine the presumption of validity.