Regulation 58

A request for the correction of each error in the register or in any document filed at the Registry in connection with registration shall be made on Form CM4; and the correction shall be clearly identified on a document filed together with the form or, if not, on the form itself.

Where a request is sought to correct the same error in both the register and any document filed at the Registry in connection with the registration, the request may be made on a single form.

Subject to rule 58A, the Registrar may call for such written explanation of the reasons for the request or evidence in support of it as he may require in order to satisfy himself that there is an error and, upon being so satisfied, shall make such correction as may be agreed between the proprietor of the patent or applicant and the Registrar.

This rule is without prejudice to the power of the Registrar to correct any entry in the register which is attributable wholly or in part to an error, default or omission on the part of the Registry.