Digital Security Systems Corporation, LLC — often referred to simply as "Digital Security Systems" (DSS) — is a limited liability company that does not appear to conduct any operating business of its own. It surfaced publicly as a wholly owned subsidiary within the Acacia Technologies group of Acacia Research Corporation; a corporate disclosure statement filed in the litigation below identifies Acacia Research Corporation as its corporate parent. Acacia Research (NASDAQ: ACTG) is a publicly traded patent-licensing and IP-enforcement company incorporated in 1993, with roughly 1,000 employees today and a market capitalization in the low hundreds of millions — though those figures describe the parent, not DSS. I could not verify DSS's own state or year of formation, headquarters, revenue, or headcount from public sources.
Operations. DSS has no disclosed products, services, or manufacturing. Court filings describe it as the "exclusive licensee" of U.S. Patent No. 6,052,780, titled "Computer System and Process for Accessing an Encrypted and Self-Decrypting Digital Information Product While Restricting Access to Decrypted Digital Information." The asserted technology concerned the encryption/decryption process used by Blu-ray Disc players to prevent piracy. In substance, DSS functioned as a patent-holding and licensing vehicle asserting an acquired/licensed portfolio through litigation — consistent with the Acacia Technologies model of partnering with patent owners to license and enforce their patents.
Litigation posture. The tracked data shows a single matter, with DSS as plaintiff and zero appearances as a defendant — the classic profile of a non-practicing assertion entity rather than an operating company defending itself. That case, Digital Security Systems Corporation, LLC v. Samsung Electronics Co., Ltd. et al., was filed August 11, 2008 in the U.S. District Court for the Eastern District of Texas, Marshall Division (Case No. 2:2008-cv-00316), a venue widely used by patent plaintiffs.
Context. The complaint named an unusually broad group of consumer-electronics and retail defendants — including Samsung, Samsung Electronics America, Best Buy, D&M Holdings/Denon, Funai, LG, Matsushita/Panasonic, Philips, Pioneer, and Sharp — and demanded damages, royalties, and treble damages for alleged willful infringement. The suit was characterized in contemporaneous technology-press coverage (e.g., Engadget/Blu-ray Forum, citing The Patent Prospector) as an Acacia-affiliated "patent troll" action. Beyond the filing, I could not verify the case's outcome, settlement, or licensing terms from available sources.