4 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.
InternetAd Systems, LLC sued ESPN, Inc., The New York Times Company, and Travelocity.com, Inc. in the Northern District of Texas. The asserted patents were 5,572,643, 5,737,619, 6,185,586, and 6,457,025; plaintiff sought injunctive relief and damages. A defense-side discovery order issued Oct. 8, 2004, and final disposition was not verified.
InternetAd Systems sued Opodo Ltd. and related defendants. The court analyzed the TechSearch–InternetAd license and held that InternetAd held all substantial rights and had standing to sue; the merits were not resolved.
Google Patents/Unified Patents data flags this Northern District of Texas docket as US litigation involving U.S. 5,737,619. The narrative could not verify the plaintiff, defendant, filing date, or outcome.