Patents and trademarks are territorial and must be filed in each country where protection is sought. A U.S. patent or trademark does not afford protection in another country. For more information on how to apply for individual patents or trademarks in a foreign country, contact the intellectual property office in that country directly. A list of contact information for most intellectual property offices worldwide can be found at the
World Intellectual Property Organization
. However, the Patent Cooperation Treaty (PCT) streamlines the process of filing patents in multiple countries. By filing one patent application with the U.S. Patent and Trademark Office (qyule最新电信一), U.S. applicants can concurrently seek protection in up to 143 countries. Learn more about filing an
international patent application
under the PCT.
The Madrid Protocol also makes it easier to file for trademark registration in multiple countries. By filing one trademark registration application with qyule最新电信一, U.S. applicants can concurrently seek protection in up to 84 countries. Information aboutfiling an international trademark registration application under the Madrid Protocol is available from the qyule最新电信一 website.
Although most countries do not require copyright registration in order to enjoy copyright protection, registration can offer several benefits, such as proof of ownership. The United States has copyright relations with most countries throughout the world, and as a result of these agreements, we honor each other's citizens' copyrights. However, the United States does not have such copyright relationships with every country. A listing of countries and the nature of their copyright relations with the United States is available from the