International Trademark Association  
   Not-for-profit worldwide membership organization of trademark owners and legal advisors, working to protect and advance the importance of trademarks as essential elements of international commerce.
   http://www.inta.org/

American Intellectual Property Law Association  
   Association of attorneys specializing in the practice of intellectual property law. Site includes analyses of copyright, trademark and patent issues.
   http://www.aipla.org/

Philadelphia Intellectual Property Law Association  
   Advocating intellectual property rights, increased knowledge of the law, professional ethics, the development of patent, trademark and copyright law.
   http://www.pipla.org/

ABA Section of Intellectual Property Law  
   The largest, and probably most influential, intellectual property organization in the U.S.
   http://www.abanet.org/intelprop/home.html

Community Trade Mark Advisory Initiative  
   An initiative of Munich attorneys for promoting the knowledge of the Community trademark.
   http://www.communitytrademark.org/

Intellectual Property Law Society  
   A student group at the Iowa Law School interested in issues of copyright, trademark, patents, and cyberlaw.
   http://www.uiowa.edu/~iplaw/

Intellectual Property Group  
   Practice group of leading bar association for conservative and libertarian attorneys.
   http://www.fed-soc.org/Publications/practicegroupnewsletters/intellectualproperty/intellectualproperty.htm

Silicon Valley Intellectual Property Law Association  
   Association has monthly meetings to discuss various IP topics.
   http://www.svipla.com/

Intellectual Property Society of Australia and New Zealand Inc.  
   Independent society whose principal objects are to provide a forum for the dissemination and discussion of IP matters. Information about committees, publications, and events posted.
   http://www.ipsanz.com.au/

Association for Intellectual Property (Vereniging voor Industriële Eigendom)  
   Dutch affiliate of the AIPPI, which promotes the national and international protection of intellectual property. VIE reports, statutes, and related links included; additional content available in Dutch.
   http://www.aippi.nl/indexc.htm

Copyright Society of America  
   Dedicated to enhancing awareness and fostering interest and advances in copyright law.
   http://www.csusa.org/