418. Grounds for compulsory licensing in case of abuse of monopoly.

At any time after the expiration of three years, or of such other period as may be prescribed, from the date of the grant of a patent1, any person may apply to the comptroller2 for compulsory licensing3 on one or more of the following grounds:


    (1)     in the case of an application made in respect of a patent whose proprietor is a WTO proprietor4, the relevant grounds are5:


      (a)     where the patented invention6 is a product, that a demand for the product in the United Kingdom7 is not being met on reasonable terms8;


      (b)     that by reason of the