One sheet of drawings may contain several figures. Where figures on two or more sheets form in effect a single complete figure, the figures on the several sheets must be so arranged that the complete figure can be assembled without concealing any part of any of the figures appearing on the various sheets.[R. 11.13(i); ]

Partial figures drawn on separate sheets must always be capable of being linked edge to edge, that is to say, no partial figure may contain parts of another partial figure.

The figures must be arranged on a sheet or sheets without wasting space, preferably in an upright position and clearly separated from one another. Where a figure cannot be presented satisfactorily in an upright position, it may be placed sideways with the top of the figure at the left side of the sheet. Thus, a figure which is broader than it is high may be set out so that the bottom of the figure lies parallel to and along the right-hand side of the sheet.

All the sheets of the international application must be numbered in consecutive Arabic numerals.

4.1 Usable surface area of sheets

4.2 Numbering of sheets of drawings

Where the international application contains drawings, the applicant must indicate, in the check list on the request form (Form PCT/RO/101), the number of the figure in the drawings which they suggest be published with the abstract.[R. 3.3(a)(iii); ]

The figure published with the abstract must be the one which best characterises the claimed invention and must be chosen from the drawings accompanying the international application. Generally, only one figure should be indicated.