Any document which refers to an oral disclosure, a use or any other means of disclosure which took place before the date of filing of the European patent application shall be mentioned in the European search report, together with an indication of the date of publication, if any, of the document and the date of the non-written disclosure.
Date retrieved: 30 December 2018
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EPC Implementing Rules
EPO Guidelines - B Search
XGL B X 7 Title, abstract and figure(s) to be published with the abstract (as indicated on supplemental sheet A)