Oct 17, 2025 · The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a …

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.

Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.

2 days ago · 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. This search facility …

Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 150 million patent documents from around the world. Supporting information can help you …

Sep 27, 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 …

Through the Access to Specialized Patent Information (ASPI) program, patent offices and academic and research institutions in developing countries can receive free or low-cost access …

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

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.