Patents

Clearly Understood, Inc.
Offers US Patents and Applications, downloadable in PDF format.
http://www.clearlyunderstood.com

CrazyPatents.com
Examples of wacky and crazy patents that have been issued to inventors throughout the years.
http://www.crazypatents.com

Delphion Intellectual Property Network
A premier site for searching, viewing, and analyzing patent collections worldwide.
http://www.delphion.com

European Intellectual Property Association
Online access to inventions and patent information
http://www.eipa-patents.org

Find That Patent by Dream Ratings
Searchable database of U.S. patents, abstracts and claims.
http://www.findthatpatent.com/

Fishing Patents
Examples of patents related to fishing, sorted into categories.
http://www.fishingpatents.com

Free Patents Online
Searchable summaries of U.S. patents.
http://www.freepatentsonline.com/

Freshpatents.com
Listing of recent US patent applications with keyword monitoring and RSS feeds.
http://www.freshpatents.com/

Google Patent Search
Search more than seven million U.S. patents.
http://www.google.com/patents

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.
http://www.howstuffworks.com/patent.htm

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.
http://www.iusmentis.com/

James Dyson
Help and guidance for inventors.
http://www.dyson.com/invent/

Patent Alert
Providing email updates about inventions recently patented in the United States.
http://www.patentalert.com/

Patent Baristas
Freshly brewed chat served up daily featuring biotechnology and pharmaceutical patent law news and commentary.
http://patentbaristas.com/

Patent Genius
Full text and information on U.S. patents since 1976, available by category, class, inventor or holder.
http://www.patentgenius.com/

Patent Looker, LLC - PatentMonkey.com
Patent search with PDF downloads.
http://www.patentmonkey.com/

Patent Reader
Searchable database of U.S. patents with downloads available in PDF format, from Semantic Dream Inc.
http://www.patentreader.com/

Patent Search Information Site
Introductory guide to patent information and the conduct of searches.
http://www.patent-search-information.com

Patently Absurd!
Absurd, weird and wacky patents, mainly from the UK Patent Office, also offering links to serious patent information.
http://www.patent.freeserve.co.uk

Patently Obvious
Weblog describing cases and developments in patent law.
http://patentlaw.typepad.com/

Patents.com
Patent search service.
http://www.patents.com/

Patents4Technologies
Overview of United States patent law with reference to court rulings.
http://www.patents4technologies.com/PatentLaw.htm

Rabin & Berdo, PC
District of Columbia law firm, offering a downloadable brochure on mechanical and electrical patents.
http://www.awoodpatents.com

Software Patent Institute
Nonprofit corporation formed to provide courses and prior art about software technology to help improve the patent process.
http://www.spi.org/

SoYouWanna Patent Something?
Article discusses step-by-step the patent application process.
http://www.soyouwanna.com/site/syws/patent/patentFULL.html

Strategy Patent, LLC
Information on the creation and valuation of intellectual property assets, particularly patents. From Coleman Sudol LLP.
http://www.patentassets.com/

Thomas
Information of all patent-related bills currently pending before the U.S. Congress.
http://thomas.loc.gov/cgi-bin/query/r?c104:patent

Tyson Wilde - Inventor Basics
Basic patent information for inventors.
http://www.inventorbasics.com

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. <small>(May 7, 1996)</small>
http://www.ladas.com/Patents/Computer/Computer.EPOJP.html