lexiara

Section 55(3)

PA 1977
Patents Act 1977 · United Kingdom

So far as the invention has before its priority date been duly recorded by or tried by or on behalf of a government department or the United Kingdom Atomic Energy Authority otherwise than in consequence of a relevant communication made in confidence, any use of the invention by virtue of this section may be made free of any royalty or other payment to the proprietor.

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Source: legislation.gov.uk · retrieved 2026-09-04