Defendant
3 cases as defendant.
Radian Memory Systems LLC is a privately held company specializing in software-defined flash technology for data center storage. Headquartered in Plano, Texas, U.S.A., the company was founded in 2010. While specific employee or revenue figures are not publicly available, Radian Memory Systems develops patented technology focused on Cooperative Flash Management (CFM), aiming to enhance data storage performance, efficiency, scalability, and reliability by redefining how flash memory is managed. Their offerings, including products like the Symphonic™ CFM SSDs (e.g., RMS-250, RMS-325, RMS-350), target system OEMs, cloud and service providers, and licensing opportunities for device manufacturers.
The company's patent-litigation posture strongly indicates that it operates as a non-practicing entity (NPE). Radian Memory Systems LLC has appeared as a plaintiff in one tracked case and has no defendant cases, aligning with the profile of an NPE asserting an acquired patent portfolio. This is further supported by characterizations from industry intelligence firms linking Radian Memory Systems LLC to Fortress Investment Group LLC, a known financier of patent litigation.
Radian Memory Systems LLC is actively asserting its intellectual property in the United States District Court for the Eastern District of Texas, a venue recognized for its plaintiff-friendly environment. The primary tracked case, Radian Memory Systems LLC v. Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. (Civil Action No. 2:24-cv-01073), alleges infringement of memory technology patents related to Cooperative Flash Management (CFM) and Zoned Namespaces (ZNS) technology. Radian claims it pioneered CFM, a technology which the company alleges was later adopted into industry standards like the NVM Express Zoned Namespaces Command Set Specification, but that Radian was "cast out by the industry" after refusing to grant royalty-free licenses to NVMe members. Notably, the U.S. government filed a Statement of Interest in this case, asserting that patent infringement can cause irreparable harm and supporting the possibility of injunctions for patent owners.
An Inter Partes Review (IPR) initiated by Unified Patents, LLC challenging US patent 11740801, owned by Radian Memory Systems LLC, which has since reached a settlement.
Unified Patents, as Petitioner, filed an Inter Partes Review (IPR2025-01377) against Radian Memory Systems LLC, the Patent Owner of US11347656. The case subsequently settled.
Unified Patents PTAB Data filed an Inter Partes Review (IPR) against Radian Memory Systems LLC concerning US patent 11307995, which later resulted in a settlement.