From last.fm:

There are a few bands named Trademark: 1. Tony Reeves and Mark Angus, underground electronic music producers, signed to Intelligent Audio, run by Clare Thwaites - DJ Clare Large. http://intelligentaudio.net 2. An electropop band from England. http://www.trademark-online.co.uk 3. Israeli PunkRock band. 4. Japanese indie rock band http://www.trademark-web.net/ 5.Trademark Arad http://www.myspace.com/trademarkarad Read more about Trademark on Last.fm.