Ridge Corp. v. Kirk NationaLease (Fed. Cir., July 13, 2026) 2025-1254

This episode concerns an opinion from the United States Court of Appeals for the Federal Circuit detailing the reversal of a preliminary injunction in a patent dispute involving insulated overhead doors. The court determined that the plaintiffs failed to demonstrate a likelihood of success on the merits because the defendants raised significant questions regarding patent infringement. Specifically, the court found that the accused product likely does not meet several claim limitations, such as the requirements for flexibility along the entire length and a foam outermost surface. Furthermore, the judges concluded that the alleged irreparable harm to the plaintiffs was merely speculativeand that previous claims of tortious interference and false marking did not justify future injunctive relief. Consequently, the appellate court vacated the lower court's order and sent the case back for additional proceedings.

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