Twitter Inc. is being sued by Cooper Notification, a subsidiary of Cooper Industries Plc. Cooper Notification is based in Sarasota, Florida and the reason that they are suing Twitter is because of patent infringement.

“Cooper has suffered, and will continue to suffer, and is entitled to be compensated” stated Cooper in a complaint to the federal court in Wilmington, Delaware. Cooper Notification sends security alerts to the community and employees.

Twitter is not the only company that Cooper is going after. Cooper Notification is also suing Rave Wireless Inc. and Everbridge Inc.