What to know
- NIOSH has registered the following certification marks with the U.S. Patent and Trademark Office.
- Only NIOSH Approved® respirators can be labeled with these marks.
- NIOSH monitors online marketplaces for products that misuse these marks and pursues action as necessary to enforce them.
Certification marks registered in the U.S.
These certification marks registered with the U.S. Patent and Trademark Office include filter classes of NIOSH Approved respirators.
- N95®
- N99®
- N100®
- R95®
- P95®
- P100®
- PAPR100-N®
- PAPR100-P®
- HE®
- NIOSH Approved®
- NIOSH stylized logo with text
NIOSH is filing additional certification marks with the U.S Patent and Trademark Office corresponding to other respiratory protection levels.
Marks registered in other countries
- The N95 certification mark is registered in Australia, Brazil, Canada, Colombia, European Union, India, Israel, New Zealand, Oman, Peru, Republic of Korea, Syrian Arab Republic, and United Kingdom.
- The NIOSH Approved certification mark is registered in Australia, Brazil, Canada, Chile, Colombia, European Union, Israel, Mexico, New Zealand, Oman, Republic of Korea, Syrian Arab Republic, and United Kingdom.
- The NIOSH Approved trademark is registered in India.
Enforcing the marks
NIOSH monitors online marketplaces for products that misuse these certification marks and pursues action as necessary to enforce these marks and have product listings removed. See the latest version of the fraud and fraudulent statements policy on the NIOSH Conformity Assessment Letter to Manufacturers webpage.
Attribution statement
The NIOSH stylized logos (shown below), N99, N100, R95, P95, P100, PAPR100-N, PAPR100-P, and HE are registered certification trademarks of the U.S. Department of Health and Human Services (HHS) in the United States.
N95 and NIOSH Approved are registered certification trademarks of the U.S. Department of Health and Human Services (HHS) in the United States and several other countries.