Karceski IP Law, PLLC provides the following links to sites that may assist persons interested in securing IP rights worldwide.

The U.S. Patent and Trademark Office (“USPTO”):


The USPTO provides convenient searching of patents, patent applications, trademark registrations, and trademark applications, among a wide variety of other useful resources.

The World Intellectual Property Office (“WIPO”):


WIPO provides useful resources for patent applications that have been filed under the Patent Cooperation Treaty (“PCT”) and trademark applications under the Madrid Protocol, among many other useful information.



Espace is a useful tool when conducting patent and patent application research on a worldwide basis.  Espacenet draws resources from electronic databases available from various patent offices worldwide, including the USPTO, the European Patent Office, and the Japanese Patent Office, among others.

European Patent Office (“EPO”):


The EPO provides an on-line library where users may search for patent, design, and trademark registrations and applications in Europe.

Office for the Harmonization in the Internal Market (“OHIM”):


OHIM provides useful resources associated with the registration of industrial designs and trademarks outside of the United States.

Japanese Patent Office (“JPO”):


The JPO provides an on-line library that permits users to search for patent, design, and trademark registrations and applications in Japan.