USPTO Toolbar: Boost Your Patent Search Efficiency

U.S. Patent and Trademark Office (USPTO)

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

Source: Patent Public Search | USPTO L numbers The L number represents previously executed (Prior Art) search queries. Patent Public Search saves search statements as L numbers within a session. To save time and allow for greater flexibility when searching, you can use the L number generated by Patent Public Search to save search statements.

United States 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 trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington County, Virginia. [4] The USPTO is "unique among federal agencies ...

The USPTO has unveiled a new trademark search system. Users and practitioners should learn what it can and cannot do to make their searches speedy and efficient.

Usmarkdb Free USPTO Trademark Search & Database

Search over 11,229,508 trademarks registered with the USPTO . Free trademark database with detailed information on owners, classes, goods & services, prosecution history, and status.

A practitioner's guide to the post-TESS USPTO trademark search tool. Field tags, expert mode, coordinated class searching, three core workflows, and gotchas.

USPTO Advanced Search

The USPTO Advanced Search is a powerful tool for finding inventions and designs patented in the United States. The template looks complicated, but once you understand the key features, it's a bit easier.