Finding Copyrights and Trademarks for Free

I came across a nice list for tracking down C & T's

Originally published in The CyberSkeptic's Guide to Internet Research (June 2005).

There are several databases for conducting free copyright or trademark research. Unlike mega-research systems, such as LexisNexis or Westlaw, their scope is narrow. They answer specific questions – those related to ownership or infringement, but generally not both. While they might serve adequately as the sole source of information for fact-finding inquiries, their role is more to supplement, rather than supplant, commercial research systems.

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