Practice question
Explain Zuneca's distinction between acquiring trademark ownership through valid registration and protecting a prior good-faith user under section 159.1. Does recognizing the prior-user protection necessarily cancel the lawful registrant's ownership?
Legal references
- Intellectual Property Code, RA 8293, sections 122, 138, 145–146 and 159.1, https://lawphil.net/statutes/repacts/ra1997/ra_8293_1997.html
- Zuneca Pharmaceutical v. Natrapharm, G.R. No. 211850, 8 September 2020, main decision, https://elibrary.judiciary.gov.ph/thebookshelf/showdocs/1/66500
- IPOPHL, trademark maintenance guidance, https://www.ipophil.gov.ph/trademark/trademark-maintenance/
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