page_title: Certification mark
hierarchical_section_title: Certification mark
caption_attribution_description: English: UL certification label on rockwool. Deutsch: UL Prüfzeichen auf Steinwolle.
context_page_description: A certification mark on a commercial product indicates the existence of an accepted product standard or regulation and a claim that the manufacturer has verified compliance with those standards or regulations. The specific specification, test methods, and frequency of testing are published by the standards organization. Certification listing does not necessarily guarantee fitness-for-use. Validation testing, proper usage, and field testing are often needed.
  The USPTO considers that a certification mark is a kind of trademark.
context_section_description: A certification mark (or conformity mark) on a commercial product indicates the existence of an accepted product standard or regulation and a claim that the manufacturer has verified compliance with those standards or regulations. The specific specification, test methods, and frequency of testing are published by the standards organization. Certification listing does not necessarily guarantee fitness-for-use. Validation testing, proper usage, and field testing are often needed.
  The USPTO considers that a certification mark is a kind of trademark.
caption: Canadian certification label on a bag of rockwool
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