“A patent family tree with US 63/123456 filed 2021-03-15 as the priority application, PCT/US2022/012345 filed 2022-03-14, US 18/123456 leading to US patent 12,345,678, and pending EP, Japan, and China national phases.”
그 이면의 의사결정을 읽어 보세요.
Put the earliest filing at the top.
Show the international application before national entries.
Label each national-phase application clearly.
Use this to explain how an international application branches into national prosecution files.
자주 묻는 질문
What is a PCT national phase?
It is a jurisdictional application entered from an international PCT application.
Does a PCT filing create a global patent?
No. It provides an international filing route; protection is pursued in selected jurisdictions.
Why show priority at the top?
It identifies the earliest filing from which the family claims priority.