Various international treaties, in particular the European Patent Convention (EPC) and the Patent Cooperation Treaty (PCT), allow for filing patent applications in different ways. Subsequent you will be informed about the most important issues as well as about the registration procedure in general.


Rubik's Cube


The inventor of this device, protected by US patent No. 4,410,179 of 1983, is named Erno Rubik, professor for interior design in Budapest. Even today similar toys are marketed as "Rubik's cube".