WIPO PATENTSCOPE
Search international and national patent collections, including published Patent Cooperation Treaty applications.
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Use these official patent office databases to find issued patents, published applications, inventor information, and other publicly available patent records.
United States Patents
The USPTO Patent Public Search provides access to U.S. patents and published patent applications. Search by inventor, assignee, title, publication number, keywords, and other fields using its basic or advanced search tools. Help guides and training resources are also available through the USPTO.
Worldwide Search Tools
Search patent publications and applications through international organizations and national patent offices around the world.
Search international and national patent collections, including published Patent Cooperation Treaty applications.
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Explore patent publications from around the world using Espacenet’s search, translation, patent-family, and legal-status tools.
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Search Canadian patent applications and granted patents using basic, Boolean, and advanced search options.
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Search Japanese patents and utility models through Japan’s official intellectual property information platform.
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Search Australian patent applications and grants by number, title, applicant, inventor, filing date, and other available fields.
Search Australian Patents