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Delphion Intellectual Property Network
A search engine for patents issued since 1971 – it also lets you view images of patents issued since 1979. One can conduct for free a Simple Search off their “IP Search” link; more advanced searching requires a subscription.
Electronic Business Center
An offering of the U.S. Patent & Trademark Office. You can search (for free) its database of pending, registered and dead federal trademarks, issued patents, and published patent applications.
U.S. Copyright Office
Contains the text to the U.S. Copyright Act, information circulars to answer frequently asked questions, online copies of application forms, texts to international copyright treaties, and more.
U.S. Patent and Trademark Office
Presenting fundamental information to applying and maintaining patents and trademarks, along with providing forms to search respective databases. |
