Due in part to the surprise victory of the Equality Party, the Quebec government later lessened restrictions on English signs.
During his term in office, Libman made headlines by using his Parliamentary privilege to reveal the details of confidential, money-losing contracts signed between Hydro-Québec and some of Quebec's aluminum producers.
As a result of this decision, the charges against federalist groups who participated in the large Pro-Canada Rally during the 1995 referendum campaign were cancelled.
He decided to quit politics in 2005, and not to run for mayor of the re-constituted city of Côte Saint-Luc following its demerger from the megacity of Montreal.
Later that year he joined Olymbec, a large real estate developer as their in-house consultant on architecture, planning and municipal zoning.
Libman returned to politics in 2014 by seeking the Conservative Party of Canada nomination in Mount Royal for the 2015 federal election.