| 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. |
Classical
