Public Domain Sherpa
- Reference site to help people identify works in the U.S. public domain. Includes copyright duration flowcharts, a tutorial, an interactive copyright term calculator, and annotated links to public domain resources.
- http://www.publicdomainsherpa.com

PATLIB
- National and regional patent offices of each EU member state.
- http://www.epo.org/patents/patent-information/patlib/directory.html

Copyright Authority.com
- Describing the legal and practical problems with the 'poor man's copyright'.
- http://www.copyrightauthority.com/poor-mans-copyright/

Burdlaw.com
- Links to intellectual property resources, from Burdick Law Firm.
- http://burdlaw.com/Linkpages/WebIPLwr.htm

dadvsi.info
- Side-by-side English, French, German and Spanish versions of the European Copyright Directive 2001/29.
- http://www.dadvsi.info/

RED Patents Online
- An introduction to Australian intellectual property law.
- http://www.patentsonline.com.au/

Kasunic.com
- Links to Internet resources on the subject of copyright law.
- http://www.kasunic.com/

FindIPLaw.com
- Intellectual property law links.
- http://www.findiplaw.com

Patent Baristas
- Intellectual property news and commentary focusing on the biotechnology and pharmaceutical fields, authored by attorneys with Frost Brown Todd LLC.
- http://patentbaristas.com

Pierce Law Center - IP Mall
- Intellectual property resources.
- http://www.ipmall.info

Patent Law Links
- Links to patent-related Internet resources.
- http://www.patentlawlinks.com/

British Library
- Directory of patent databases and related resources.
- http://www.bl.uk/collections/patents/

IP Newsflash
- Links to articles and resources.
- http://www.ipnewsflash.com

Franklin Pierce Law Center - Intellectual Property Mall
- Providing information and links to online resources.
- http://www.ipmall.fplc.edu/

Intellectual Property Page
- Intellectual property links and resources, from Professor James Boyle of Duke Law School.
- http://www.law.duke.edu/boylesite/

Intellectual Property Links
- Directory of international IP offices, organizations, registers, courts, regulations, and case law databases.
- http://www.ip-links.de/

Rossco's WWW Corner
- Direct links to patent search engines, with information about their scope.
- http://www.pcug.org.au/~rossco/psearch.htm

MultiReg
- News, information, discussions and guides related to intellectual property.
- http://www.multireg.com/

International IP Directory
- Directory of intellectual property professionals, from Informa UK Limited.
- http://www.iplawdirectory.com

Elizabeth Shieldkret
- Basic information and links on a variety of intellectual property subjects.
- http://www.eshieldkret.com/

Global Intellectual Property
- Hierarchical Internet intellectual property directory, aimed at users and researchers working in the intellectual property field. Also listing conferences and events.
- http://www.ipmenu.com/