Which countries are recognized for claiming priority in U.S. patent applications?

The United States recognizes the right of priority for patent applications filed in countries that are:

• Parties to the Patent Cooperation Treaty (PCT)
• Members of the Paris Convention for the Protection of Industrial Property
• Members of the World Trade Organization (WTO)

The MPEP states: Following is a table of states, i.e., countries, with respect to which the right of priority referred to in 35 U.S.C. 119(a) – (d) has been recognized. For the most up-to-date list of recognized countries, refer to the WIPO website.

To learn more:

• recognized countries
• priority claim
• PCT
• Paris Convention
• WTO