Contact Us The Institute of Patentees and Inventors PO Box 39296 London SE3 7WH Telephone: 0871 226 2091 Fax: 0208 293 5920 Email: ipi@invent.org.uk Download a Membership Application form in rtf format. Membership Application Form. Download a Standing Order Mandate form in rtf format. Standing Order Mandate Form. Use this form to request more info from the Institute Your Name Company Email Address Patent and Idea protection information. Other. Message PLEASE NOTE When e-mailing the Institute for details regarding membership, please include your full name, postal address and telephone number, so that a basic information pack may be sent to you. When e-mailing the Institute with a specific enquiry relating to an aspect of Intellectual Property, please include your full name, postal address and telephone number. The Institute needs this information because the subject of Intellectual Property is very complex, and the Institute cannot answer by e-mail. If you are already an Institute member, please give your membership number.