Filing essentials · PCT national phase
What does each office need from you, and by when?
Pick the countries you are entering. We show the national phase deadline, the translation language and the documents each patent office asks for, so you can collect everything early. Download it as a checklist for your file.
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Requirements and deadlines
Pick at least one country to see what is needed.
Deadlines follow the WIPO table of national phase time limits (PCT Articles 22 and 39). If a deadline falls on a day the office is closed, it usually moves to the next working day.
Requirements summarise the WIPO PCT Applicant's Guide and our associates' practice. This is a planning aid, not legal advice. We confirm everything for your matter when you instruct us.
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