Please note that the list has been redacted for reasons of national security under section 24(1) of the Freedom of Information Act 2000 and that this redaction has been upheld by a decision of the Information Commissioner.
Applications relating to material included in this list may be placed under directions restricting the disclosure of their contents according to section 22 of the Patents Act 1977.
Permission to file an application for these technologies abroad according to section 23 of the Patents Act 1977 must be obtained from The Intellectual Property Office, unless an equivalent application in the UK has been filed more than six weeks previously and no section 22 directions have been issued on it. The list is a guideline only and is not intended to be definitive; if you are uncertain if your application would fall within these categories or requires permission to apply for a patent abroad, please contact us for more detailed advice.
Intellectual Property Office
Telephone: +44(0)16 3381 3558
Fax: +44(0)16 3381 4415