7 known cases. View patent page →
David H. Judson sued Infonautics, Inc. in the District of Massachusetts. The '643 patent was asserted along with U.S. patents 5,722,067, 5,737,619, 6,157,823, and 6,185,586. The case was terminated on June 4, 2001.
Freedom Wireless sued BCGI and several wireless carriers in the District of Massachusetts asserting U.S. 5,722,067 and U.S. 6,157,823. A jury awarded $128 million in May 2005; after post-trial rulings and an injunction, the case settled in July 2006 for $87 million.
Second District of Massachusetts action by Freedom Wireless against numerous regional carriers, listed in the Stanford NPE database for U.S. 6,157,823. The outcome could not be confirmed.
Freedom Wireless asserted claims 17, 22, 27, 30, and 34 of U.S. 6,157,823 against Alltel, U.S. Cellular, Cricket, Comverse, VeriSign, and others in the Eastern District of Texas. The case was closed in 2010 after substantive resolution, terms unconfirmed.
Freedom Wireless, LLC sued Cingular Wireless and others in the Eastern District of Texas; a claim-construction opinion issued, but the ultimate disposition could not be confirmed.
Cingular Wireless filed a declaratory-judgment action against Freedom Wireless in the District of Arizona. The court dismissed for lack of subject-matter jurisdiction on June 26, 2007, deferring the dispute to the Eastern District of Texas.
Docket 2:07-cv-00151 is listed on Google Patents as litigation involving U.S. 6,157,823, but the parties, filing date, and outcome could not be confirmed.