Here's Steven Moffat -- co-creator of the excellent BBC show Sherlock, in which Sherlock Holmes solves mysteries in modern London -- with a refreshing attitude about imitators:
[He] was also asked for his thoughts on the upcoming US version of a modernised Sherlock Holmes, called Elementary.
Steven said: 'CBS approached us about remaking our version of Sherlock Holmes and we said no, but they went ahead did their own version anyway. You can interpret what I think about that at your leisure. But I don't know. I don't own Sherlock Holmes, I don't even own modernising Sherlock Holmes.
'I want there to be lots of them. I love the Robert Downey Jr. films. I love House which is actually a modernisation of Sherlock Holmes. He's been around for over 100 years, there will never be one definitive version...'