Under Federal Circuit case law, patent-infringement defendants may assert the laches defense – an equitable defense barring claims brought after an unreasonable delay. But the doctrine will soon square off in the Federal Circuit against a heavy hitter: “Raging Bull.” In 2014, the Supreme Court decided a copyright case about the popular boxing movie “Raging Bull.” There, the Court struck laches as an available copyright infringement defense. Now, the stage is set for the full…