A registered mark may be cancelled, upon request of a third party on the ground that
(i) the mark is neither used by the owner, nor transferred to others for use within consecutive five (5) years prior to the point one month prior to the filing date of the request, without indicating the special circumstances preventing the use of the mark and/or
(ii) the registered mark was filed in bad-faith and/or (iii) the registered mark does not meet criteria of protection at the time of registration (identical/similar to a well-known/wide use marks).
For filing a cancellation request, the following documents are required:
(i) A Power of Attorney, which is signed by the Applicant and duly notarized; and
(ii) Documentary evidence in support of the cancellation action (if any).