Patent Search

Patent Search Resources

Search U.S. and International Patents

Use these official patent office databases to find issued patents, published applications, inventor information, and other publicly available patent records.

Worldwide Search Tools

International Patent Databases

Search patent publications and applications through international organizations and national patent offices around the world.

WIPO PATENTSCOPE

Search international and national patent collections, including published Patent Cooperation Treaty applications.

Open PATENTSCOPE

Espacenet

Explore patent publications from around the world using Espacenet’s search, translation, patent-family, and legal-status tools.

Open Espacenet

Canadian Patents Database

Search Canadian patent applications and granted patents using basic, Boolean, and advanced search options.

Search Canadian Patents

J-PlatPat

Search Japanese patents and utility models through Japan’s official intellectual property information platform.

Open J-PlatPat

Australian Patent Search

Search Australian patent applications and grants by number, title, applicant, inventor, filing date, and other available fields.

Search Australian Patents