Legal Insights
Plain-language guides and case briefs on Philippine law — researched from the firm's law library of 184,000+ statutes, Supreme Court decisions, and agency issuances, and written so non-lawyers can understand and act on them.
Sep 5, 1997patent lawintellectual propertyprior artutility modelpresumption of validityphilippine patent office
Patent Novelty, Prior Art, and the Presumption of Validity in Philippine Patent Law
Philippine Supreme Court ruling on patent novelty, prior art, and the heavy burden to overcome the presumption of patent validity.