Valve Corporation filed for a patent entitled 'CHAPERONE' on March 09, 2015<ref>http://tsdr.uspto.gov/#caseNumber=86558185&caseType=SERIAL_NO&searchType=statusSearch</ref>. In it is contained this description of the Chaperone system:
"''Hardware and software, sensors, and beacons for the detection and measurement of physical objects and the representation of such objects in virtual reality environments; Devices used for the detection and measurement of physical objects and the representation of such objects in virtual reality environments; Electronic apparatus for the detection and measurement of physical objects and the representation of such objects in virtual reality environments"''
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