What are the language requirements for amendments filed under PCT Article 34?

The language requirements for amendments filed under PCT Article 34 depend on the language of the international application and the language of the international preliminary examination. Here are the key points:

  • If the international application was not filed in the language of publication, amendments and accompanying letters must be in the language of publication.
  • If the international preliminary examination is carried out based on a translation, amendments and accompanying letters must be in the language of that translation.
  • If amendments are filed in another language, a translation into the language of the international preliminary examination must be provided.

As stated in MPEP 1864.01: “Where the international application was not filed in the language of publication, any amendments under Article 34 and any accompanying letter (as well as any letter accompanying Article 19 amendments) must be in the language of publication. Where the international preliminary examination is carried out on the basis of a translation of the international application, any amendments under Article 34 and any amendments under Article 19, which are to be taken into account, and any accompanying letter must be in the language of that translation.

To learn more:

Tags: amendments, international preliminary examination, Language Requirements, pct article 34