Search for patents. Tools and learning resources. Access Patent Public Search.Search our database of patents and patent application publications. Patent Official Gazette. Browse through the weekly publication of patents issued that week.
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.
curated list of the 10 best patent search tools available in 2026, from free government databases to AI-powered platforms that find prior art automatically.

Such details provide a deeper understanding and appreciation for Patent Search For Inventors.
Patents Issued AFTER 1976 Go to the USPTO's online database. Choose the Basic Search In the pull-down field menu, select " Assignee Name " if searching for company name or " Inventor Name " if searching for Inventor name. Type in the name of the inventor or company, keeping in mind that you might need to try several times.
Google Patent Search This link opens in a new window This is exactly what it sounds like Google's patent database. It offers the ability to search through U.S. patents by patent number, inventor, keywords, date, classification number, or patent type. It also includes patent applications and international patents.

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