Trademarks
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All About Trademarks
Including numerous links to trademark statutes and sites on the Net.
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International Trademark Association
Founded 1878. A not-for-profit organization, dedicated to promoting trademarks as essential to world commerce.
- MicroPatent - Trademark searches, USPTO and State
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oami-online: Office for Harmonization in the Internal market - Trade Marks and designs
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The Israeli Registrar of Trademarks Database
- The Trademark blog
- The U.S. Patent Office - Trademarks
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Thomson & Thomson
Trademark & Copyright Services
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Trademark.com
online search service with US Federal, State, Common Law, Canadian, European Community, United Kingdom, and WIPO marks, plus an extensive Domain Name collection of .com, .net, and .org listings
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USPTO - Trademarks Electronic Search System (TESS)