Defendant
5 cases as defendant.
Cisco Systems, Inc.
Cisco Systems, Inc. (commonly known as Cisco) is a publicly traded technology company founded in 1984 and headquartered in San Jose, California. It trades under the ticker symbol CSCO on the Nasdaq stock exchange. As a major multinational corporation, Cisco reported revenue of approximately $59.1 billion for the trailing twelve months ending in January 2026 and employed about 86,200 people as of 2025.
Cisco is a leading global manufacturer and vendor of networking hardware, software, telecommunications equipment, and other high-technology services and products. The company's portfolio is structured around key areas including networking (routers, switches, wireless access points), security (firewalls, cybersecurity software), collaboration (Webex), data center technology, and the Internet of Things (IoT). Its products and services are widely used by enterprises, service providers, and public institutions to build and manage IT infrastructure.
Based on the provided data, Cisco is an operating company that appears in patent litigation exclusively as a defendant. In all four tracked cases, the company is defending against infringement claims. This posture is typical for a large technology manufacturer facing assertions from patent-holding entities. The lawsuits are concentrated in plaintiff-friendly jurisdictions, with three of the four cases filed in the Eastern and Western Districts of Texas.
The plaintiffs in the tracked cases are primarily non-practicing entities (NPEs). Optimnet LLC, Atlas Global Technologies LLC, and Fleet Connect Solutions LLC are identified as patent assertion entities in intellectual property industry reports. For instance, Atlas Global Technologies is an entity of Acacia Research that asserts patents related to Wi-Fi standards, while Fleet Connect Solutions is an entity of Empire IP. Optimnet LLC is noted as an NPE that has licensed patents from the Electronics and Telecommunications Research Institute (ETRI) for assertion. Athena Security, LLP is the plaintiff in the fourth case; public sources indicate Athena Security is an operating company developing security systems.
A patent infringement lawsuit filed by Optimnet LLC against Cisco Systems, Inc. in the U.S. District Court for the Eastern District of Texas. The case is currently pending.
Atlas Global Technologies LLC filed this active infringement suit against Cisco Systems, Inc. asserting U.S. Patent 10,020,919.
Patent infringement suit filed by Fleet Connect Solutions LLC against Cisco Systems, Inc. asserting U.S. Patent 7,742,388.
Public sources indicate that a suit was filed against Cisco Systems Inc. as part of Athena's broader campaign, but specific docket information was not immediately available in the search results. The case is presumed to be ongoing.
An appeal from a PTAB decision involving the '135 patent. The Federal Circuit affirmed the Board's decision on October 20, 2023.