Section 23. In all legal proceedings relating to a registeredtrade mark, the fact that a person is registered as

23. In all legal proceedings relating to a registeredtrade mark, the fact that a person is registered as pro-. prietor thereof shall be prima facie evidence of the vali-dity of the original registration of the trade mark and.. of all subsequent assignments and transmissions thereof.. Regiatratlon 24. In all legal proceedings relating to a registered? slve to be `as` conclu- to trade mark, the original registrat,ion of the trade mark validits after seven shall after the expiration of seven years from t.he date of' yeara. sucb original registration be taken to be valid in all". respeots unless such registration was obtained by fraud,. or unless the trade mark offends against the provisions. of section 8. 25. Nothing `18` OF 19401 Trade Marks