Patent Keys

Search Prior Art


If prior art anticipates your invention, try to redesign your invention so it meets the novelty requirement.

What is prior art?

Prior art is the body of preexisting technology patented, published or publicly used anywhere in the world.

The amount of prior art can be extensive, especially if the technology area is mature, for example sand casting.

Why search?

Where do you search?

Google's Searchable Patent Database

Google Scholar

United States Patent and Trademark Office (USPTO)

European Patent Office (EPO)

World Intellectual Property Organization (WIPO) - Patent Applications Only

Japanese Patent Office (JPO), for Japanese speakers

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