The Wikipedia article on the original creator links to the actual court documentation where his widow sued Hallmark. I checked that out when I first noticed someone made the change to the Wikipedia page.
http://caselaw.lp.findlaw.com/cgi-bin/g ... no=9955222
Did you know Hallmark was once sued over Rainbow Brite?
Re: Did you know Hallmark was once sued over Rainbow Brite?
Upon the Rainbow, my rainbow blog.