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Case Law of the Boards of Appeal

 
 
5.6.2 Occasional failure

It suffices for the disclosure of an invention that the means intended to carry out the invention are clearly disclosed in technical terms which render them implementable and that the intended result is achieved at least in some, equally realistic, cases (T 487/91). The occasional failure of a process as claimed does not impair its reproducibility if only a few attempts are required to transform failure into success, provided that these attempts are kept within reasonable bounds and do not require an inventive step (T 931/91).