Patent Cafe
Where Inventors, attorneys, even kids find help on Patents, Intellectual Property, and Innovation. A wealth of information about the patent process as well as references to useful and not so useful sources of commercial assistance. Not only covers how to patent, but also how to market the invention after the patent is acquired - including the avoidance of "invention promotion fraud."

US Patent Office
Online patent searches, patent application information retrieval, electronic filing system, view patent guidance and notifications, downloads, and much more.

Inventors' Network of the Capital Area
A non-profit educational organization. Members are inventors and others in the Washington, DC metro area, who are interested in intellectual property protection issues and the innovation process.

United Inventors Association
A tax-exempt, not for profit corporation formed solely for educational purposes. Assists independent inventors, or an inventors networking group, or someone that provides services for new product development, to learn how to effectively develop ideas into successfully marketed products.

InventorEd.org
A non-profit public service organization for educating inventors / entrepreneurs.

Professional Inventors Alliance
An organization formed to protect American invention and encourage innovation. The Alliance is an organization to provide independent inventors a united voice to improve public patent policy.