Yes, a U.S. provisional patent application is perceived by most global nations. You can file a patent application in most foreign countries and that foreign patent application can utilize the filing date of your U.S. provisional patent application.

First, let’s be clear on what I mean by the U.S. provisional patent application gives you “protection” internationally. If you have a U.S. provisional patent application, you have “protection” in the sense that the filing date you got when you filed the provisional patent application can be utilized, acquired, or in fact called “guaranteed”, by a foreign patent application.

You should ensure you file your foreign patent application before the temporary patent application terminates. Keep in mind, a U.S. provisional patent application expires a year after it is filed.

Generally, countries which are part of the Paris Convention Treaty recognize the U.S. provisional patent application. We would check with a patent specialist in the nation important to affirm, prior to filing the patent application.