* Phony copyright claim suppressing a news report (about this very issue): http://boingboing.net/2011/12/15/universal-music-uses-false-...
* A blog that got seized for a year (under the current DHS program) for putting up four clips that had been given to it _by the record company_ for promotional purposes: http://news.cnet.com/8301-31921_3-57339569-281/dhs-abruptly-...
There's plenty more; EFF probably has a more complete list on file someplace...