I came across this lately, through BoingBoing:
http://excesscopyright.blogspot.com/2007/11/canadas-copyright-law-is-stronger-and.html
Howard Knopf wrote a list of ways in which Canadian copyright law is more restrictive than the American, in response to recent rumblings that the U.S. is trying to press Canada into adopting American-style laws similar to the DMCA.