Document Security Systems, Inc. (DSS) has launched a new litigation campaign with suits against Cree (2:17-cv-00309), Everlight (2:17-cv-00310), and Seoul Semiconductor (2:17-cv-00308). The defendants are accused of infringing a group of semiconductor patents originating with Agilent or Avago (now Broadcom, after their merger) through provision of various products containing LEDs, including light bulbs, displays, and fixtures. DSS’s latest campaign, which was foreshadowed by an SEC filing late last year, follows a history of troubled litigation.