Authors Michael Baigent and Richard Leigh had argued that central theme of The Da Vinci Code had been copied from a book they and a third author had written 20 years earlier, called the Holly Blood and the Holy Grail.

• 作者米歇尔·白根特和里查德·雷辩辩称《达芬奇密码》的内容主线剽窃了他们和另一作者早在20年前写的《圣血与圣杯》一书。