The Vermont Patent & Trademark Resource Center (VPTRC), designated by the Patent & Trademark Office (PTO) in November 1996, is free and open to the public. The VPTRC is located in the Howe Library Government Information Collection. Contact us at govdocs@uvm.edu or 802-656-2542. 
Patents
U.S. Patent and Trademark Office
Independent Inventor Resources (USPTO)
Intellectual Property Office (UK)
Patent & Intellectual Property Collections (British Library)
Trilateral Web Site (Japanese & European Patent Offices and U.S.P.T.O.)
Patent Term Calculator (Beta)
Trademarks
Internet Corporation for Assigned Names and Numbers (ICANN)
U.S. Patent and Trademark Office
Copyright
Copyright Clearance Center (CCC)
Copyright Crash Course (University of Texas System)