Davros - A Fan Creation?
The Daily Mail (on-line version) has a story about the BBC being sued over the use of Davros.
Steven Clark claims that he created the leader of the Daleks in a magzine contest in 1972.
He didn't win the contest but a couple of years later the character of Davros began appearing in the series of 'Doctor Who' in Genesis of the Daleks.
For the full details of the lawsuit you can see the original story here:
and the Doctor Who News Page has an additional story on the debate: