“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.”
اقرأ القرارات الكامنة وراءه.
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.
أسئلة شائعة
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.