Old story, but just found out. Basically an Italian museum sued a company making puzzles for using Da Vinci's drawings on basis of copyright
copyrightblog.kluweriplaw.com
The puzzled tie of copyright, cultural heritage and public domain in Italian law: is the Vitruvian Man taking on unbalanced proportions?
Image Leonardo da Vinci, Vitruvian Man (c. 1490). Pen and brown ink with wash over metalpoint on paper (34.4 x 24.5 cm), Gallerie dell’Accademia, Venezia.

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