The following information may be useful to you:
- UK Patent Office
www.ipo.gov.uk
- European Patent Office
www.european-patent-office.org
- Espacenet
A European site for patent searching
ep.espacenet.com
- WIPO
World Intellectual Property Organisation - the official office for PCT (International) patent application
www.wipo.int
- OHIM
Office for the Harmonisation of the Internal Market - the office for registering European trade marks and designs
oami.europa.eu
- USPTO
US Patent and Trade Mark Office
www.uspto.gov
- CIPA
Chartered Institute of Patent Attorneys - the professional association of UK patent attorneys
www.cipa.org.uk