A Indefinitely. As long as the trademark owner wishes to keep the mark and renews it. In the first instance, the mark will be renewed for a period of 7 years and then it will be renewed for further periods of 14 years.
A Yes. Even if the Registrar accepts your trademark application for publication third parties can object to the registration of the mark once it’s been officially published in the Trade Mark Journal. Any objection must be made within 60 days of the publication.
A Yes. The Trade Marks registry will carry out a formal and substantive examination of your application to determine whether the mark as filed is registrable. If the Registrar determines that the mark is not registrable he will issue a Refusal Letter. You are allowed to respond to the Refusal and submit a response to overturn the decision.