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.

Explore Google's advanced search options to refine your searches and find exactly what you're looking for with ease.

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 the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

From the homepage, you can begin your search in a few ways: Enter a patent publication or application number, such as US9014905B1, 9014905, or US 14/166,502 Enter freeform text, such as …

Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

Google Images. The most comprehensive image search on the web.

Find specific images with Google's Advanced Image Search, using filters like size, color, type, and more.

About Google Patents Overview Search and read the full text of patents from around the world.

Methods, programs products and systems are provided for improved techniques for enabling a search engine user to quickly and effectively analyze a patent and non-patent document by analyzing and …