Is an English translation required for PCT applications entering the US national phase?
Yes, an English translation is required for PCT applications entering the US national phase if the international application was not filed in English. According to MPEP 1893.01(a)(1):
“If the international application was filed in a language other than English, the applicant is required to submit a translation of the international application, as filed, into the English language.”
The translation must be submitted by the 30-month deadline from the priority date, along with other required documents and fees. Failure to provide the translation can result in the application being considered withdrawn.
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