Manual of Patent Examining Procedure (MPEP)

Go to MPEP - Table of Contents

browse before

Patent Cooperation Treaty

Article 5
The Description

The description shall disclose the invention in a manner sufficiently clear and complete for the invention to be carried out by a person skilled in the art.

Article 6
The Claims

The claim or claims shall define the matter for which protection is sought. Claims shall be clear and concise. They shall be fully supported by the description.

Article 7
The Drawings

(1) Subject to the provisions of paragraph (2)(ii), drawings shall be required when they are necessary for the understanding of the invention.

(2) Where, without being necessary for the understanding of the invention, the nature of the invention admits of illustration by drawings:

(i) the applicant may include such drawings in the international application when filed,

(ii) any designated Office may require that the applicant file such drawings with it within the prescribed time limit.

browse after

Go to MPEP - Table of Contents