Trade Marks Ordinance, 2001 — section 16

16. Use of names of chemical compounds barred..—_(1) No word which is the commonly used and accepted name of any single chemical element or single chemical compound as distinguished from a mixture or which is declared by the World Health Organization and notified in the prescribed manner by the Registrar, from time to time, as an international non-proprietary name shall be registered as a trade mark in respect of a chemical substance or preparation, and any such registration shall, notwithstanding anything in section 44, be deemed for the purposes of section 98 to be an entry made in the Register without sufficient cause or an entry wrongly remaining on the Register, as the circumstances may require.

(2)This section shall not apply to a word which is used to denote only a brand or make of the element or compound as made by the proprietor or a license of the trade mark, as distinguished from the element or compound as made by others, and in association with a suitable name or description open to the public use.