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Case Law of the Boards of Appeal

 
 
2.1. Rule 28 EPC

R. 28 EPC, which sets out four non­patentable categories, entered into force on 1 September 1999 as R. 23d EPC 1973. It applies equally to applications pending on, i.e. filed before, the date of its entry into force (G 2/06, T 315/03).