GL-PCT A V 1.2 Photographs or coloured drawings

The PCT makes no express provision for photographs or coloured drawings and, furthermore, according to Rule 11.13, drawings must be executed in durable, black, sufficiently dense and dark, uniformly thick and well-defined lines and strokes without colourings. Photographs and coloured drawings may, however, exceptionally be submitted where it is impossible to present in a black-and-white drawing what is to be shown.

GL-PCT A V – Drawings This chapter summarises the requirements for drawings in international applications. An international application must contain drawings where they are necessary to understand the invention. Where they are not, but the [..]

1. Graphic forms of presentation considered to be drawings
2. Presentation of drawings
3. Requirements regarding the paper used
4. Presentation of the sheets of drawings
5. General layout of drawings

GL-PCT A IV 2.6 Withdrawal of the demand or of elections

Applicants may withdraw their demand or any or all elections by addressing a notice of withdrawal to the IB, and may do so at any time prior to the expiration of 30 months from the priority date. The withdrawal takes effect on the date of receipt of the notice by the IB, the IPEA being notified of that date. If the applicant nevertheless submits the notice of withdrawal to the IPEA, the IPEA will mark the date of receipt on the notice and transmit it promptly to the IB.

GL-PCT A IV 2.5 Withdrawal of the supplementary search request

Applicants may withdraw their request for supplementary international search by addressing a notice of withdrawal to either the IB or the authority specified for the supplementary search, and may do so at any time before transmittal by the SISA of the supplementary international search report or of the declaration that no such report will be established. The EPO as SISA will mark the notice of withdrawal with the date on which it was received and promptly transmit it to the IB.

GL-PCT A IV 2.4 Withdrawal of priority claims

An applicant may address a notice of withdrawal of one or more priority claims to the IB, the RO or, where a demand has been filed, to the IPEA, and may do so at any time prior to the expiration of 30 months from the priority date.[Rule 90bis.3; ]
Where the priority date of the international application has changed following withdrawal of a priority claim, any time limit which is computed from the original priority date, and which has not already expired, is recomputed from the priority date resulting fr

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