Subject to the provisions of this paragraph and of section thirteen of this Act, the validity of the original entry of a trade mark on the register of trade marks existing at the commencement of the M1Trade Marks Act 1905, or on any of the registers of trade marks kept under previous Acts that were deemed part of the same record as the last-mentioned register, shall be determined in accordance with the Acts in force at the date of such entry, and any such trade mark shall retain its original date, but for all other purposes it shall be deemed to have been registered under the Trade Marks Act 1905.

No trade mark which was on the register at the commencement of the Trade Marks Act 1905, and which under that Act was then a registrable trade mark, shall be removed from the register on the ground that it was not registrable under the Acts in force at the date of its registration.

No trade mark which was on the register at the commencement of the M2Trade Marks (Amendment) Act 1937, and which, having regard to any amendment by that Act of the Trade Marks Act 1905, or of the M3Trade Marks Act 1919, whether as respect limitations that might be imposed on registration or as respects any other matter, was then a registrable trade mark under the Trade Marks Act 1905 to 1937, shall be removed from the register on the ground that it was not registrable under the Acts in force at the date of its registration.

Nothing in the M4Trade Marks (Amendment) Act 1937, shall be taken to have invalidated the original registration of a trade mark that immediately before the commencement of that Act was validly on the register.

Nothing in section thirty-six of the M5Trade Marks Act 1905, or in the Trade Marks (Amendment) Act 1937, shall be construed as having subjected any person to any liability in respect of any act or thing done before the commencement of those Acts respectively to which he would not have been subject under the Acts then in force.