AcclaimIP - provided by TLA, this database is for advanced patent searching. Please see your supervisor for access information.
SciFinder - the premier source for searching for chemical compounds, formulas, etc. in patent literature. Please Note:
Espacenet Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 95 million patent documents from around the world. Supporting information can help you understand whether a patent has been granted and if it is still in force.
USPTO Patent Full-Text and Image Database (PatFT) quick search page. This is the database for searching all granted patents.
USPTO Patent Application Database - search all of the applications for patent protection.
PatentScope from the World Intellectual Property Organization (WIPO).