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Patents, Trademarks, & Copyrights

This bibliographic database, produced by the National Agricultural Library, consists of worldwide literature citations for journal articles, monographs, proceedings, theses, patents, translations, audiovisual materials, computer software, and technical reports pertaining to all aspects of agriculture and related fields.
Basic gage for determining copyright protection for works first published in the U.S.A.  Also mentions unpublished works referenced by date of creation.  Any result showing an asterisk can be clicked for clarifying information.
Easy to understand explanation and examples of intellectual property law as it relates to copyright, trademarks, and patents developed for UCLA students.
Local nonprofit group that can help you in your patent search
Full text and images of granted U.S. patents from 1790 and applications from March 2001 to the present. Patents issued between 1790-1975 can only be retrieved by patent number or classification numbers.
Public Domain sources of electronic texts available on the Internet.
A private site for copyright information. The site gives examples of copyright issues involving film, art, music, sound, software, etc.
Read about the Inventor of Week and other interesting stuff from the Massachusetts Institute of Technology.
Information on copyright laws, procedures, etc..
Information about patents and trademarks
Contains names and addresses of copyright holders or contact persons for authors and artists whose archives are housed in North America and the United Kingdom.