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.

Typ OrganigrammStandard Reingold-Tilford tidy treeEngine schematex-orgchartAktualisiert 24.9.2026

Die Anfrage

“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.”

Dann probieren SieAdd a Canadian national phase under the PCTMark the EP application as granted

Was diese Zeichnung zeigt

Die dahinterstehenden Entscheidungen verstehen.

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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FAQ

Häufige Fragen

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.