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Patents Act 1977, Section 23 is up to date with all changes known to be in force on or before 15 October 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.
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(1)Subject to the following provisions of this section, no person resident in the United Kingdom shall, without written authority granted by the comptroller, file or cause to be filed outside the United Kingdom an application for a patent for an invention unless—
(a)an application for a patent for the same invention has been filed in the Patent Office (whether before, on or after the appointed day) not less than six weeks before the application outside the United Kingdom; and
(b)either no directions have been given under section 22 above in relation to the application in the United Kingdom or all such directions have been revoked.
(2)Subsection (1) above does not apply to an application for a patent for an invention for which an application for a patent has first been filed (whether before or after the appointed day) in a country outside the United Kingdom by a person resident outside the United Kingdom.
(3)A person who files or causes to be filed an application for the grant of a patent in contravention of this section shall be liable—
(a)on summary conviction, to a fine not exceeding £1,000; or
(b)on conviction on indictment, to imprisonment for a term not exceeding two years or a fine, or both.
(4)In this section—
(a)any reference to an application for a patent includes a reference to an application for other protection for an invention;
(b)any reference to either kind of application is a reference to an application under this Act, under the law of any country other than the United Kingdom or under any treaty or international convention to which the United Kingdom is a party.
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