Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

Find out how to apply for and maintain a patent in the U.S., and learn about helpful resources.

Complete Patent Searching Database and Patent Data Analytics Services.

Quick lookup Patent or Publication number For example: 0123456 or 20210123456 Search

A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an …

Explore our patent and technology information resources. Gain access to international Patent Cooperation Treaty (PCT) application on the day of publication and search through more than …

Have a legal question? Get free answers from experienced lawyers! Justia Webinars are open to all, lawyers and non-lawyers. Lawyers, please visit individual webinar pages for more …

The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks. Have a question? Ask a real person any government …

Find existing patents, published patent applications and other published patent documentation

This guide provides an introduction to intellectual property law and a foundation for researching patents, copyright, and trademarks.