Use Derwent Innovations Index (DII) to discover patent information. DII includes more than 51 million inventions from 59 worldwide patent-issuing authorities.
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.