Take a look at this news: http://canadianpress.google.com/article/ALeqM5hxHLeJ5-VpZ6HJFoEr4OcplyaBOA I believe this is a good change.
There's no change to AdWords... American Blind dropped their lawsuit most likely because it was too costly, and Google didn't do a thing.
Nothing changed.... Here's related info on Google and trademarks. http://searchengineland.com/070903-150021.php