On Oct. 17, American Airlines filed a law suit against Yahoo in U.S. District Court Fort Worth alleging trademark infringement related to Yahoo’s paid Sponsor Results.American Airlines seeks an order to temporarily and permanently bar Yahoo from selling the airline’s trademarks, continuing to publish ads using keyword terms “identical or confusingly similar” to the airline’s trademarks. It furthermore seeks restitution and punitive damages.Source: Eric Goldman Technology & Marketing Law Blog;Documents of the case to be found here>>.