Certified Professional Inspector (CPI)® is a United States federally-registered certification mark for the building inspector professional credential. This mark is registered on the Principal Register at www.uspto.gov
This description for proper use of the designation and credential is from the USPTO website regarding Certified Professional Inspector (CPI)®:
"The certification mark, as used by persons authorized by the certifier, certifies that the inspections of residential and commercial buildings provided have been performed by an inspector who has met the online examination requirements as established by the certifier."
Jobs Task Analysis of CPI
The Home Inspector Job Task Analysis lists all of the tasks Certified Professional Inspector (CPI)® may perform, as well as the knowledge, abilities, and skills required to do these tasks.
A job task analysis is a foundation for any valid credentialing program and helps identify the core knowledge areas, critical work functions, and skills typically found across a representative sampling of current practitioners or job incumbent workers.
After going through an approval process lasting more than four years, the United States Patent and Trademark Office (USPTO) has awarded InterNACHI a federally-issued Registered Certification Mark and Credential for CERTIFIED PROFESSIONAL INSPECTOR
The application for the mark was first filed with the USPTO on October 26, 2005, published for opposition on January 15, 2008, and awarded to InterNACHI® on November 24, 2009. An additional mark was awarded on November 27, 2018.