A non-written disclosure is not considered part of the prior art for the purposes of Art. 33(2) and (3) if the date of that non-written disclosure is indicated in a written disclosure which has been made available to the public on or after the relevant date of the application (i.e. on or after the international filing date or, if a priority has been validly claimed, the earliest priority date).[Rule 33.1(b); Rule 64.2; GL/ISPE 11.22; ]

6.1 Types of non-written disclosure, in particular use, and instances of prior art made available in any other way

6.2 Matters to be determined as regards use

6.3 Prior art made available by means of oral description

6.4 Internet disclosures

6.5 Standards and standard preparatory documents