Copyfraud

thumb|right| Second-century bronze jug held by the British Museum, with false copyright claim, while on loan to Tullie House Museum|alt=Photograph of an ancient bronze on display in a museum; beneath it, a warning states "Please do not photograph this object as it is protected by copyright." A copyfraud is a false copyright claim by an individual or institution with respect to content that is in the public domain. Such claims are unlawful, at least under US and Australian copyright law, because material that is not copyrighted is free for all to use, modify and reproduce. Copyfraud also includ