Lists Trademarks and Patents Search (U.S. Patent and Trademark Office) Provides online search engine for trademarks and patents. 3-00 Materials Copyright Clearance Center Papers Trademarks and Copyrights Law (Nolo.com - Legal Encyclopedia) Provides basic information for persons who are not legal professionals and is organized by topic. 7-02 U.S. Copyright Office (Copyright.gov) Provides information on gaining a copyright. 10-09