Practice question
A registrant relies on its certificate to assert ownership and exclusive use, but says the document conclusively decides all validity questions for every good or service worldwide. Explain section 138's actual evidentiary statement and its limits.
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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