She previously served on Montreal City Council, first winning her seat in a by-election on November 15, 2015,[2] and was subsequently re-elected in the 2017 municipal election.
In 2015, Lattanzio was elected city councillor for Saint-Léonard East in a by-election under the banner of Team Denis Coderre.
Additionally, in March 2024, she was elected as vice-chair of the Canadian Section of ParlAmericas (CPAM) and in April 2024, as vice-president of the Canada-Italy Interparliamentary Group (CAIT).
[7] In 2021, MP Patricia Lattanzio presented a Private Member’s Bill, C-252, The Child Health Protection Act.
The bill aims to prohibit the marketing of foods and beverages that contain excessive amounts of sugar, salt and saturated fat to children under the age of 13.