www.cpaglobal.com. This is the web site of Computer Patent Annuities Limited (‘CPA’) who are the largest specialist patent renewals firm in the world. Our records system is compatible with their system and, for those of our clients who use CPA’s services through us, we send details of new filings and updates direct to CPA so that they can update their records accordingly. CPA have a very good on-line enquiry service for their clients called CPADirect. We do not deal with renewals ourselves and we recommend CPA to those clients requiring a renewals service. CPA also provide trade mark watching and searching services as well as computer software for the  intellectual property profession.
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www.ipo.gov.uk. This is the web site of the UK Intellectual Property Office. It contains a lot of basic information about UK patent, trade mark and design law. It also has facilities for searching official records.
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www.wipo.org   This is the web site of the World Intellectual Property Organization in Geneva. It contains information not only about the Patent Co-operation Treaty, but also about a number of other world intellectual property issues including the Domain Names resolution procedure.
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www.oami.europe.eu.  This is the web site of the European Community Design and Trade Mark Office in Spain. It contains the laws and rules on which the European Community Trade system is based as well as an on-line searching function.
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www.epo.org. This is the web site of the European Patent Office. It contains a large volume of information on the European Patent Convention, European Patent Applications and related topics.
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www.cipa.org.uk. This is the web site of the Chartered Institute of Patent Attorneys. It contains useful information on UK Intellectual Property and Chartered Patent Attorneys as well as information on the work of the Institute. There are also some interesting links to other sites.