Quarterhill Inc. (formerly WiLan Inc.) is a Canadian public technology holding company, based in Toronto, Ontario. It was founded in 1992 as a wireless technology company.

In the mid-2000s, it gradually transitioned into a patent licensing company. In 2017, it renamed itself Quarterhill, and is attempting to become a holding company specializing in the Internet of Things. It is listed on the Toronto Stock Exchange and NASDAQ.

Traded as:           TSX: QTRH;     NASDAQ: QTRH

Industry:              Patent monetization, Internet of Things

Founded:             1992

Headquarters:    Toronto, Ontario, Canada

Subsidiaries:        WiLan Inc., International Road Dynamics, VIZIYA

Website:              www.quarterhill.com