[6] According to Le Point, she turned down a ministerial post in Jean-Marc Ayrault's second government because as a mother of two young children, she had no desire to leave London.

The constituency she represented as inaugural Deputy includes all registered French citizens living in the ten countries throughout Northern Europe—Iceland, Norway, Denmark (including the Faroe Islands and Greenland), Sweden, Finland, Great Britain, and Northern Ireland, Ireland, Estonia, Latvia, and Lithuania.

In May 2014, upon assuming French governmental ministerial office, Lemaire resigned her parliamentary seat and was succeeded by Christophe Premat.

[10] Upon joining the Ministry for the Economy, Industry and Digital Affairs in Paris, Lemaire had been a leading proponent of net neutrality legislation.

She then joined the campaign to retain her seat in the French Parliament but was severely defeated by Alexandre Holroyd of La République En Marche!