December 2012 | No. 12/2012 


Amendments to the PCT Regulations (Entry into Force: 1 January 2013)

It is recalled that the Assembly of the PCT Union adopted, during its meeting which was held in Geneva from 1 to 9 October 2012, amendments to the PCT Regulations which will enter into force on 1 January 2013.

The amendments, which serve to simplify the procedures for applicants from all PCT Contracting States made possible by the enactment of the America Invents Act by the Government of the United States of America, include changes to:

  • PCT Rules 4.15, 53.8 and 90bis.5 in relation to signatures; and
  • PCT Rule 51bis.1 and 2 simplifying the provisions which permit documents containing oaths or declarations of inventorship to be required by the designated Office in certain circumstances, and limiting the extent to which the designated Office may require further documents or evidence relating to such oaths and declarations furnished during the international phase.

The text of the amendments was reproduced, in English and French, in the Annex to the Draft Report of the PCT Assembly (PCT/A/43/7 Prov.) at:



and the consolidated text of the Regulations under the PCT, as in force from 1 January 2013, is available, in English and French, currently on the right hand side of the page, at, respectively:



It is recalled that modifications, which took into account the changes resulting from the America Invents Act, were also made to the Administrative Instructions under the PCT and the PCT Receiving Office Guidelines, and that the respective consolidated texts, as in force from 16 September 2012, are available, in English and French, at:






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