U.S. Patent and Trademark Office

The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and ...

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.

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. Searching · Overview · Advanced Search

This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent ...

The mission of the U.S. Patent and Trademark Office (USPTO) is to drive U.S. innovation, inclusive capitalism, and global competitiveness.

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.

The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks.

Find existing patents, published patent applications and other published patent documentation. Patent Public Search · Patent Classification · Published Patent Application...

Patent basics, trademark basics, identify what kind of IP you have, inventor & entrepreneur resources, access our free services, training and education events. About Us · Patent Basics · Patent Center · Contact us

美國專利商標局（英語：United States Patent and Trademark Office，簡稱PTO或USPTO）是美國商務部下的一個機構，為發明家和他們的發明相關提供專利保護、商品商標註冊和 ...