# The Patents (Amendment) Rules 1999, Article 5: Citation and commencement


In rule 22 (unity of invention), for paragraph (1) substitute–
“(1) Without prejudice to the generality of section 14(5)(d), where two or more inventions are claimed (whether in a single claim or in separate claims), and there exists between or among those inventions a technical relationship which involves one or more of the same or corresponding special technical features, then those inventions shall be treated as being so linked as to form a single inventive concept for the purposes of the Act.”.

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Source: https://www.legislation.gov.uk/uksi/1999/1092/article/5 (the official version)
Page: https://openlegislation.uk/patents-amendment-rules-1999/article-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.