Given these elements, if "Hotel Courbet" is indeed a film by Tinto Brass released in 2009, here's what I can help you with:

The film was co-written by Brass, Piero Fontana, and Caterina Varzi. It is characteristic of Brass's later work, focusing on highly stylized eroticism and provocative themes. Information regarding the production and its critical reception can be found on cinematic databases like IMDb, Letterboxd, and MUBI.

For official updates on Tinto Brass's catalog, you can monitor the Tinto Brass Official Site (Italian) for news on restorations or official re-releases. Hotel Courbet (Short 2009) - IMDb