Section 57(5)
PA 1977
Patents Act 1977 · United Kingdom
Where section 55(4) above applies to any use of an invention and a person holds an exclusive licence under the patent or application concerned (other than such a licence as is mentioned in subsection (3) above) authorising him to work the invention, then subsections (7) and (8) below shall apply.
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Source: legislation.gov.uk · retrieved 2026-09-04