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Guidelines for Examination

Documents which refer to a non-written disclosure 

Where a document cited in the search report refers to a non-written disclosure, the letter "O'' should be entered (see B-VI, 2). Examples of such disclosures include conference proceedings. In cases where the oral disclosure took place at an officially recognised exhibition (Art. 55(1)(b)), see B-VI, 5.5. The document category "O" is always accompanied by a symbol indicating the relevance of the document according to B-X, 9.2.1, or 9.2.2, for example: "O, X"; "O, Y"; or "O, A";


Rule 61(4)