# The Patents (Amendment No. 4) Rules 1975, Article 1


These Rules may be cited as the Patents (Amendment No. 4) Rules 1975 and shall come into operation on 1st August 1975, except in the case of Rule 3 which shall do so on 1st November 1975.

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Source: https://www.legislation.gov.uk/uksi/1975/1262/article/1 (the official version)
Page: https://openlegislation.uk/patents-amendment-no-4-rules-1975/article-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.