On sheets containing drawings, the usable surface area may not exceed 26.2 cm x 17 cm. These sheets may not contain frames round the usable or used surface. The minimum margins are as follows: top side: 2.5 cm; left side: 2.5 cm; right side: 1.5 cm; bottom 1 cm.[Rule 46(1); ]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/a_ix_4_1.htm
Date retrieved: 17 May 2021