Webvention LLC (which also litigates under names such as Webvention Company) is a company that mostly exists to exploit the "rollover menu" patent (#5,251,294)
Webvention is suing Abercrombie & Fitch, Bed Bath & Beyond, Brown Shoe Co., Church & Dwight Company, Conocophillips, Dell, Donaldson Company, E*Trade Financial Corporation, Gamestop, Htc America, Iasis Healthcare, Insight Enterprises, Neiman Marcus, Pioneer Natural Resources, Tenneco, The Finish Line, Travelcenters Of America, United Parcel Service, Visa.
Related pages on ESP Wiki
- Patent Litigation Weekly: NPE Makes Offer Some Companies Can Refuse, 4 Oct 2010, law.com
- Rollover image on your website? That will be $80,000 (please), 14 Oct 2010, Ars Technica
- Letter which Novartis received from Webvention