Visit this site from the US Patent and Trademark Office to learn all about trademarks in the US. Here, you can find the process for obtaining trademarks, news, manuals and guides, law information, and trademark filing forms.
United States Patent and Trademark Office
(*)Start here when looking for information about US patents, trademarks, and intellectual property. This site provides overviews of the application process, forms, searches for pending applications, and much, much more.
This site from the US Patent and Trademark Office is a great starting place for learning about patents, what they are, types of patents, and tons of helpful tools and information.
Digital Copyright Slider
This easy-to-use tool will help you determine if something is protected by copyright or if it's in the public domain. The site provides clarifying information when needed for navigating copyright protection.
Intellectual Property Web Directory
From MIT, this directory will link you to many sites dealing with inventions, copyright, trademark, and patents.
U.S. Copyright Office
Learn about copyright from the US Copyright Office's site. Information is provided in Spanish, as well as English, and there's a section for teachers and students.
International Trademark Association
The INTA provides tools and information, including presentations, fact sheets, and much more about trademark basics to the public for free. Full access to this site requires membership.
Use Google's familiar, simple interface to search the US Patent and Trademark Office's patent databases for free, including free file downloads.