The German Federal Court of Justice has maintained Microsoft’s patent relating to alternative handling of short and long filenames. In the first instance, the Federal Patent Court considered the teaching of the patent not inventive over the Rock Ridge Interchange Protocol used for CD-ROMs. However, supported by a court expert the Federal Court of Justice identified that this protocol is not suitable to solve the problem underlying the patent. Consequently, the Federal Court of Justice concluded that this protocol is also not able to render Microsoft’s patent obvious.

A full summary of this case has been published on Kluwer IP Law.


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