![PCT Support Station] HARAKENZO WORLD PATENT & TRADEMARK - Leading Intellectual Property Law Firm in Japan(Osaka & Tokyo) PCT Support Station] HARAKENZO WORLD PATENT & TRADEMARK - Leading Intellectual Property Law Firm in Japan(Osaka & Tokyo)](https://www.harakenzo.com/en/pct/img/investigation_top.gif)
PCT Support Station] HARAKENZO WORLD PATENT & TRADEMARK - Leading Intellectual Property Law Firm in Japan(Osaka & Tokyo)
![File:A timeline diagram provides an overview of the Patent Cooperation Treaty System.jpg - Wikimedia Commons File:A timeline diagram provides an overview of the Patent Cooperation Treaty System.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/b8/A_timeline_diagram_provides_an_overview_of_the_Patent_Cooperation_Treaty_System.jpg)
File:A timeline diagram provides an overview of the Patent Cooperation Treaty System.jpg - Wikimedia Commons
![PCT Patent Application: Why file foreign when your US application is uncertain or not allowed? - Patent Trademark Blog | IP Q&A PCT Patent Application: Why file foreign when your US application is uncertain or not allowed? - Patent Trademark Blog | IP Q&A](https://www.patenttrademarkblog.com/wp-content/uploads/2014/06/PCT-Timeline-NationalPhase.jpg)
PCT Patent Application: Why file foreign when your US application is uncertain or not allowed? - Patent Trademark Blog | IP Q&A
![MPEP 1893.03(c): The Priority Date, Priority Claim, and Priority Papers for a U.S. National Stage Application, June 2020 (BitLaw) MPEP 1893.03(c): The Priority Date, Priority Claim, and Priority Papers for a U.S. National Stage Application, June 2020 (BitLaw)](https://www.bitlaw.com/source/mpep_graphics/189303c-4.png)