While the Supreme Court’s section 101 decisions may garner the biggest headlines, the high court has also invested significant efforts in the area of induced infringement. Commil v. Cisco, decided on May 26, 2015, marks the Supreme Court’s third foray into induced infringement in the past halfdecade.

First, in Global-Tech Appliances, Inc. v. SEB S.A., the Supreme Court held willful blindness could satisfy the knowledge requirement for induced infringement. Then, in Limelight Networks, Inc. v. Akamai Technologies, Inc., the Supreme Court held that induced infringement required underlying direct infringement. Now, in a twist on Global-Tech, the Supreme Court in Commil v. Cisco has held that an accused infringer’s good-faith belief in the invalidity of a patent cannot provide a defense to induced infringement...