Today a U.S. federal appeals court ruled that AOL Inc cannot stop Advertise.com Inc (known to many in the search industry as ABCSearch) from using a brand name similar to Advertising.com, an AOL property and decade old ad network. This is a pretty interesting ruling, not only in the world of competitive advertising, as Advertise.com positions itself to be like Advertising.com, and the room for confusion is very wide. But also in the world of domaining and trademarks,