- UK Intellectual Property Office
http://www.ipo.gov.uk/pro-home.htm - US Patent & Trade Mark Office
http://www.uspto.gov - The European Union Intellectual Property Office
https://euipo.europa.eu/ohimportal/en - World Intellectual Property Organisation
http://www.wipo.int/portal/index.html.en - Chartered Institute of Trade Mark Attorneys
http://www.citma.org.uk - The International Trade Mark Association
http://www.inta.org - The European Communities Trade Mark Association
http://www.ecta.org - UK Court Service
http://www.hmcourts-service.gov.uk - The European Court of Justice
http://curia.europa.eu/jcms/jcms/Jo1_6308 - The Intellectual Property Regulation Board
http://www.ipreg.org.uk