A single application may include several classes.

Yes

Yes

The International Classification of Goods and Servicesis followed with local sub-classification. A single application may include several classes and sub-classes

1. Power of attorney, legalized. 
2. 10 prints of the mark for each application (Arabic transliteration is required). 
3. Copy of priority document, if priority is claimed, certified.

Document 1 must be submitted at the time of filing. Document 3 may be submitted within 6 months from filing date.

90 days 

10 years from the filing date

6 months grace period 

Power of attorney, legalized

None due

N/A

A mark becomes vulnerable to an action for cancellation if it not been used in the preceding 3 years