Patent and Copyright Resource Links:

US Patent, Trademark & Copyright Offices
US Patent and Trademark Office http://www.uspto.gov/
US Copyright Office http://www.copyright.gov/

Patent Resources
Manual of Patent Examining Procedure http://www.uspto.gov/web/offices/pac/mpep/mpep.htm
USPTO Official Gazette http://www.uspto.gov/web/offices/com/sol/og/
USPTO forms http://www.uspto.gov/web/forms/
Patent Classification Information http://www.uspto.gov/go/classification/
USPTO Patent Application Information (Public PAIR) http://portal.uspto.gov/external/portal/pair
Search US Patent Assignments http://assignments.uspto.gov/assignments/q?db=pat
Search US Patents (full text) http://www.uspto.gov/patft/index.html
Free Patents Online http://www.freepatentsonline.com/
Pat2pdf (patents in PDF format) http://www.pat2pdf.org/

Trademark Resources
Manual of Acceptable Identification of Goods and Services http://tess2.uspto.gov/netahtml/tidm.html
Search US Trademark Database http://www.uspto.gov/main/trademarks.htm

Domain Name Resources
Internet Corporation for Assigned Names and Numbers (ICANN) http://www.icann.org/
Domain Name Search http://www.domainsearch.com/
Deleted Domains http://www.deleteddomains.com/
Uniform Domain Name Dispute Policy http://www.icann.org/udrp/udrp.htm

International Resources
World Intellectual Property Office www.wipo.org
WIPO Administered Treaties www.wipo.int/treaties/en/
Patent Corporation Treaty www.wipo.int/treaties/en/ip/plt/

Some Foreign Patent Offices
Australian Patent Office www.ipaustralia.gov.au
Canadian Intellectual Property Property Office www.cipo.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/Home
European Patent Office www.epo.org/
UK Patent Office www.ipo.gov.uk/
Japan Patent Office www.jpo.go.jp/
New Zealand Patent Office http://www.iponz.govt.nz/cms