If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Patent decision: O/198/97 in the matter of application under rule 110(4) of the Patent Rules 1995 to allow the filing of a translation of European patent (UK) 0424518 in the name of Instituit Pasteur dated 4 November 1997.