In February 2006, Michael Baigent and Richard Leigh, two of the three authors of Holy Blood, Holy Grail, took the UK publisher of The Da Vinci Code to court for breach of copyright, alleging plagiarism.
Pada bulan Februari 2006, Michael Baigent dan Richard Leigh, dua dari ketiga penulis Holy Blood, Holy Grail, mengajukan penerbit The Da Vinci Code di Britania ke pengadilan atas pelanggaran hak cipta, dengan tuduhan plagiarisme.