Modified Administrative Instructions under the PCT
With effect from 1 July 2017, Section 407 of the Administrative Instructions under the PCT has been modified and Section 337 has been deleted. The revised consolidated versions of the Administrative Instructions containing these modifications, as in force from 1 July 2017, are available on the PCT website in English, French and Spanish, in PDF format at, respectively:
The texts in English and French are also available in HTML format.
The above-mentioned changes are explained in more detail in PCT Circular C. PCT 1511, which was sent to PCT Offices and is available at: