The answer is money. You are entitled to file an international patent application if you are a national or resident of a PCT Contracting State.What follows are the most common parts of a patent application, together with discussion about what each section needs to include. The Patent Cooperation Treaty (PCT) is an international treaty with more than 150 Contracting States. Fast forward to today, and Root has recently earned a patent of his own. Submit requests for information to the ORTA, 60th MDG, 101 Bodin Circle, Travis AFB, CA 94535; Facsimile: (228) 376-0128; or Mr. John Tupin, (707) 423-7206. The Office of International Patent Cooperation (OIPC) was established in 2014 to support and improve the international patent system. He even learned to file a patent application independently, without the assistance of a lawyer or patent agent! See who you know in common. There is a drug in clinical trial which doesn't have a patent application to US patent office but there is an application to WIPO.