Liuti Forti are protected worldwide by European, United States and Japanese patent. Liuto forte is a trade mark. The bridge construction has a utility model patent.
The Patents are held in the name of Liuto forte GmbH. Its interests are represented by the Dresden offices of patent attorneys Lippert, Stachow & Partners.
The fortress Königstein near Pirna was the state prison of August the Strong and is now a popular tourist attraction. A suite of disused, dark and very damp cells has been reserved by Liuto forte for the exclusive use of the perpetrators of patent infringement.