FAQs FAQs Frequently Asked Questions on Trademarks 1. How is a trademark defined under Philippine law? What may be registered as a trademark in the Philippines? 2. What are the requirements for registration of a trademark under Philippine law? 3. How should one file an application for registration of trademarks in the Philippines? 4. What are the requirements for the maintenance and renewal of trademark registrations in the Philippines? 5. How can opposition or cancellation proceedings be instituted against a trademark in the Philippines? 6. Who are liable for trademark infringement under Philippine law?