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

Mar 23, 2026 · New to Patent Searching? See this important information about searching for patents: How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web Based Tutorial (38 …

Dec 20, 2025 · The Patent Public Search tool is a web-based search application for patents and patent application publications. Patent Public Search has two user-selectable modern interfaces that …

Patent Public Search Basic (PPUBS Basic) Quick lookup Patent or Publication number For example: 0123456 or 20210123456 Search

Home page of the United States Patent and Trademark Office's main web site.

Patent Center allows users to electronically file and manage patent applications efficiently.

Search for a patent application Search by application number, patent number, PCT number, publication number or international design registration number.

Feb 7, 2025 · Patent Basics If you’re new to the process of protecting your rights to your invention by applying for a patent, you’re in the right place. This page will direct you to everything you need to …

Mar 9, 2026 · What is a patent? A U.S. patent gives you, the inventor, the right to “exclude others from making, using, offering for sale, or selling” an invention or “importing” it into the U.S. A plant patent …

A step-by-step overview of a patent application and maintenance process.