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Showing 1–2 of 2 articles for “trademark opposition”

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Sep 22, 2026 trademark opposition philippines intellectual property code trademark cancellation bureau of legal affairs ra 8293

Trademark Opposition in the Philippines: How to Oppose or Cancel a Mark

Learn how trademark opposition in the Philippines works under the Intellectual Property Code, who may file, and how cancellation of a trademark is decided.

Nov 19, 1999 trademark law res judicata paris convention intellectual property well-known marks philippine law

Trademark Re-Registration and Res Judicata: When Prior Decisions Don't Bar New Trademark Disputes in the Phili

Philippine Supreme Court explains when res judicata bars trademark oppositions and how the Paris Convention protects well-known marks.