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Case Law of the Boards of Appeal

 
 
5.6.6 Non-disclosed steps

There is no requirement in the EPC that the claimed invention may be carried out with the aid of only a few additional non-disclosed steps. The only essential requirement is that each of those additional steps be so apparent to the skilled person that, in the light of his common general knowledge, a detailed description of them is superfluous (T 721/89).