Patent Family PCT National Phase

Patent family with PCT national phases

This patent family tree starts with a US provisional priority application, then shows the PCT filing and its national-phase entries. The US branch continues to a granted patent, while the EP, Japan and China applications remain pending. The hierarchy represents procedural descent, not technical claim scope. It helps an IP team see which jurisdictions derive from the same priority chain and where prosecution has produced a grant. Use a structure like this for a landscape review, a filing-status summary or a handoff to outside counsel. Confirm application numbers, dates and legal status against the relevant official registers before relying on the diagram for a legal decision.

Tipo OrganogramaNorma Reingold-Tilford tidy treeMecanismo schematex-orgchartAtualizado 24/09/2026

A solicitação

“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.”

Depois, tenteAdd a Canadian national phase under the PCTMark the EP application as granted

O que há neste desenho

Entenda as decisões por trás dele.

01Priority root

Put the earliest filing at the top.

02PCT branch

Show the international application before national entries.

03Jurisdiction status

Label each national-phase application clearly.

Use this to explain how an international application branches into national prosecution files.

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Perguntas frequentes

Dúvidas comuns

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.