Castle of the Living Dead (Il castello dei morti vivi)

The film was an Italian-French co-production released in Italy in 1964 and in the United States in 1965 via American International Pictures (AIP). For films released between 1964 and 1977, US copyright protection relied on the work being published with a valid copyright notice or a timely US registration. A search of the Catalog of Copyright Entries (CCE) and the Stanford Renewal Database yields no evidence of a US copyright registration for this film. Crucially, the film was widely distributed in the US by AIP and later on home video without a valid copyright notice. Because it is a foreign production, it would be a candidate for copyright restoration under the 1994 Uruguay Round Agreements Act (URAA) if it was still protected in its source country (Italy) on January 1, 1996. However, it is consistently cited by film historians and PD databases (such as the Hurst 'Film Superlist') as having entered the public domain in the US due to failure to comply with notice requirements and a lack of subsequent restoration activity. It has been a staple of public domain home video labels like Alpha Video and Sinister Cinema for decades without legal challenge. Note: generated without live web grounding (the grounded research engine was unavailable). Verify the cited sources independently before relying on this determination.