Yes- applicant can claim priority of up to 3 months as per the convention
2 months from the date of publication.
The initial registration of the trademark is valid for a period of 7 years in respect of applications filed prior to April 12, 2004, renewable for a period of 15 years from the date of the expiration of the original registration, or from the last renewal of registration, as the case may be. )
Power of Attorney simply signed.
A mark becomes vulnerable to an action for cancellation if it not been used in the preceding 5 years