If the application is all in order and there are no objections from the registrar, it will take 4 to 6 months for the application to be processed.
Suggested Readings
How many classes of goods and services are there for trademark registration?
If I register my trademark in Singapore, how can I get protection in other countries as well?
If my trademark is registered in Singapore does it give me protection overseas?
Must I register a trademark in Singapore before seeking protection overseas?