DA VINCI CODE AUTHOR DAN BROWN is being sued for stealing some of the ideas in his book [correction: it's his publisher who's being sued]:

Date set for Da Vinci court case (BBC)

A date has been arranged for High Court action by two authors against the publishers of The Da Vinci Code, which they say infringes upon their ideas.

A trial will begin on 27 February to hear the claim that writer Dan Brown stole Michael Baigent and Richard Leigh's idea that Jesus had a child.

They are suing Random House, claiming the bestseller lifts from their 1982 book The Holy Blood and the Holy Grail.

[...]

And they aren't even good ideas!

By the way, I finally got around to reading The Da Vinci Code this month. I'm writing up some comments and I'll try to get around to posting them pretty soon.