The company has been prosecuting significant litigation against GoTo.com (Now Overture / Yahoo - The first to bring on Pay for Placement on a search engine) on the issue of whether the use of a trademark as a paid keyword in search engine advertisement constitutes trademark infringement.
The firm has been filing substantial legal actions against GoTo.com (formerly Overture / Yahoo - The first to introduce Pay per Click in search engines) regarding whether using a trademark as a paid keyword in search engine ads constitutes trademark infringement.