On November 13, 2009, Cooper Notification, Inc. filed a patent infringement lawsuit against Twitter, Inc.; Everbridge, Inc; and Rave Wireless, Inc. Cooper Notification claims the companies infringe US Patent No. 7,409,428, “Systems and methods for messaging to multiple gateways.”
Cooper Notification claims Twitter Inc.’s Twitter service, Everbridge’s Everbridge Aware Emergency Notification Software, and Rave Wireless’ Rave Alert mobile emergency notification tool infringe the patent-at-issue.
Cooper Notification asks for an injunction and compensatory damages.
SOURCE(S): “Cooper Notification, Inc. v. Twitter, Inc. et al.,” United States District Court for the District Court of Delaware, November 13, 2009 (http://www.courthousenews.com/2009/11/16/Twitter.pdf).
