Asitri: Simplified interface for EDGAR and patent searching.
British Library - Patents Information Services: Links to databases and gazettes in patents, designs and trademarks, advice on how to search databases plus historical information.
CAMBIA Intellectual Property Resource: Organization devoted to international agriculture and health sciences. Offers patent search, biotechnology white papers, and tutorials.
Clearly Understood, Inc.: Offers US Patents and Applications, downloadable in PDF format.
CrazyPatents.com: Examples of wacky and crazy patents that have been issued to inventors throughout the years.
Delphion Intellectual Property Network: A premier site for searching, viewing, and analyzing patent collections worldwide.
Free Patents Online: United States patent data, along with a list of humorous patents.
Free PDF Files of U.S. Patents: Retrieve the full text and images of US patents as PDF files.
Freshpatents.com: Listing of recent US patent applications with keyword monitoring and RSS feeds.
Greenberg Traurig, LLP - Patent Law Net: Interactive resource for patent counsel and intellectual property managers.
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 & 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.
James Dyson: Help and guidance for inventors.
Patent Alert: Providing email updates about inventions recently patented in the United States.
Patent Reader: Searchable database of U.S. patents with downloads available in PDF format, from Semantic Dream Inc.
Patent Search Information Site: Introductory guide to patent information and the conduct of searches.
PatentGopher: A free patent retrieval service that delivers patents in portable document format (PDF) via email or direct download.
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.
Protection of Software-related Inventions in Europe and Japan: Information regarding the protection of computer-related inventions, from the law firm of Ladas and Perry.
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.
SoYouWanna Patent Something?: Article discusses step-by-step the patent application process.
Strategy Patent, LLC: Information on the creation and valuation of intellectual property assets, particularly patents. From Coleman Sudol LLP.
The '362 patent: Seeking to invalidate U.S. Patent 6,044,362, relating to electronic invoicing.
The Invent Blog: Weblog covering patent law developments, from attorney Stephen M. Nipper.
Thomas: Information of all patent-related bills currently pending before the U.S. Congress.