Michael Baigent and Richard Leigh, authors of a 1982 book called The Holy Blood and the Holy Grail, are suing Dan Brown and Random House publishers. The writers,Baigent and Leigh, allege that Dan Brown used their ideas and themes to write The DaVinci Code. This case is being pursued in Britain's high court.READ MORE.
Last year, Dan Brown was also sued for copyright infringement of Daughter of God by Lewis Perdue. Brown won that case in a US court.