The United States Patent and Trademark Office (USPTO) is extending for an additional year (retroactive to January 1, 2023) its pilot program of providing an email address for submitting inquiries about the Patent Cooperation Treaty (PCT) and international and national stage applications.
The email address is [email protected].
The USPTO notes that the email address is intended for general inquiries (such as: how to file international applications, national stage applications, and bypass applications; the status of pending applications; and how to respond to communications in such applications), rather than case-specific or time-sensitive inquiries (such as when a petition may be a proper response). The USPTO recommends directing the latter inquiries by telephone to the PCT Help Desk.
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