Resources to search for patents
- Searching for Patents HandoutTips on how to search by keywords and subject classification with the USPTO Full-Text and Image Database
- Patent Public Search | USPTONew web-based patent search application that replaced the external legacy search tools PatFT and AppFT. (U.S. Patent and Trademark Office)
- Google PatentsYou can search for patents issued prior to 1976, but the indexing is not precise
- The Lens - Patent SearchOffers advanced Boolean functions, structured search, biological search, classification search, filtering and sorting options to find the most relevant and important patents.
- PatentScope | WIPOThe PATENTSCOPE database provides access to published International PCT applications in full-text on the day of publication; patent documents from participating national and regional offices; non-patent literature.
- Derwent Innovations Index This link opens in a new windowNOTE: YOU WILL NEED TO SELECT "Derwent Innovations Index" FROM THE DROP DOWN MENU UNDER 'Search in'.
Facilitates rapid, precise patent searching in the chemical, electrical, electronic, and mechanical engineering fields. Combines patents from multiple patent issuing authorities into a single patent family for easy and complete discovery of each invention.
- SciFinder-n This link opens in a new windowPatent coverage for chemistry and chemical engineering. Comprehensive database for chemical literature, indexing journal articles and patent records, and chemical substances and reactions.
To use SciFinder, you must register and provide your UD email.
- Scopus This link opens in a new windowNOTE: PATENTS SEARCH WILL BE RETIRED AND REMOVED ON JUNE 30, 2025.
Scopus indexes patents from the World Intellectual Property Office, European Patent Office, USPTO, Japanese Patent Office, and UK Intellectual Property Office. This database also contains articles and scholarship from scientific, technical, and medical fields.
