Primary site for general information, guides, searches, rules, legal materials, fees, petitions, data, trademarks, document formats, public affairs. A brief layperson's guide. A post of seven steps. Advice from two pros in the business who have your intellectual-property welfare in mind. Specialists in patents, trademarks and copyrights.
Site also contains much useful information for the inventor.
The inventor's network, non-profit site. Excellent range of services. Forum is especially useful and easy to join, requires password. Official newsletter, red flag warnings, national complaint bank, upcoming shows and many other topics. Jack posts only the top value books for inventors.