CAMBIA Intellectual Property Resource - Organization devoted to international agriculture and health sciences. Offers patent search, biotechnology white papers, and tutorials.
HowStuffWorks: How Patents Work - Easy to read illustrated narrative that provides basic information on patents, what they are, how they work and how an inventor goes about getting one.
Intellectual Property Law Server - Answers to frequently asked questions about patents, copyrights, and trademarks, from the law firm of Oppedahl and Larson.
Ius mentis - Concise primers, answers to frequently asked questions, and articles on patents and other intellectual property rights, aimed at people with a background in information and communication technology.
Patently Absurd! - Absurd, weird and wacky patents, mainly from the UK Patent Office, also offering links to serious patent information.
Patently Obvious - Weblog describing cases and developments in patent law.
Patents4Technologies - Overview of United States patent law with reference to court rulings.
Rabin & Berdo, PC - District of Columbia law firm, offering a downloadable brochure on mechanical and electrical patents.
Software Patent Institute - Nonprofit corporation formed to provide courses and prior art about software technology to help improve the patent process.