Trademarks FIRO-B is a registered trademark of CPP, Inc. MBTI is a trademark or registered trademark of the Myers-Briggs Type Indicator Trust in the United States and other countries. Myers-Briggs is a trademark or registered trademark of the Myers-Briggs Type Indicator Trust in the United States and other countries. Myers-Briggs Type Indicator is a trademark or registered trademark of the Myers-Briggs Type Indicator Trust in the United States and other countries. Introduction to Type is a trademark or registered trademark of the Myers-Briggs Type Indicator Trust in the United States and other countries. Strong Interest Inventory is a registered trademark of Stanford University Press.