Section 63(1)
PA 1977
Patents Act 1977 · United Kingdom
If the validity of a patent is put in issue in proceedings for infringement of the patent and it is found that the patent is only partially valid, the court or the comptroller may, subject to subsection (2) below, grant relief in respect of that part of the patent which is found to be valid and infringed.
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Source: legislation.gov.uk · retrieved 2026-09-04