Fortinet, Inc., commonly known as Fortinet, is an American cybersecurity company headquartered in Sunnyvale, California. Founded in 2000 by brothers Ken and Michael Xie, the company operates as a public entity, trading on Nasdaq under the ticker symbol FTNT, and is a component of both the Nasdaq-100 and S&P 500 indexes. As of May 2026, Fortinet has a market capitalization of approximately $95 billion and reported a trailing twelve-month revenue of $6.79 billion, with an employee count of between 14,000 and 15,000 individuals.
Fortinet develops and sells a comprehensive suite of cybersecurity products and services designed to secure digital attack surfaces from devices, data, and applications across various environments, from data centers to home offices. Its product portfolio includes unified threat management solutions, firewalls (such as its flagship FortiGate series), endpoint security, intrusion detection systems, antivirus software, and services like FortiGuard threat intelligence. The company's offerings also span network security, cloud security, zero-trust access, security operations, application security, and operational technology.
In terms of patent litigation, Fortinet consistently acts as a defendant, indicating its posture as an operating company that defends against patent infringement claims. The company has been named as a defendant in all three tracked cases, with no appearances as a plaintiff. These cases have primarily been litigated in the District of Delaware, with appeals reaching the U.S. Court of Appeals for the Federal Circuit and even the U.S. Supreme Court.
All tracked patent cases against Fortinet involve Realtime Data LLC, a non-practicing entity (NPE) known for asserting a broad portfolio of data compression and encoding patents. Notable cases include Realtime Data LLC v. Reduxio Systems, Inc. et al. and Realtime Data LLC v. Array Networks Inc. et al.. The litigation has specifically addressed the patent eligibility of data compression techniques under Section 101 of the Patent Act.