The following year, Patricia Gallerneau is leading the list "Pornichet-A-venir" - called "apolitical", supported and invested by the Modem, - in the municipal elections in Pornichet.

In the legislative elections of 2012, she is a candidate "The Center for France" in a seventh district of the Loire-Atlantique remodeled by the electoral division of 2009; it obtains 2.28% of the vote.

and independent: six candidates, including three in eligible position are placed on the list of the senator of the Vendée, called "union of the right and the center".

In the spring of 2017, Patricia Gallerneau declares to give up her mandate as regional councilor in case of election to the National Assembly.

In March 2018, it is announced for implementation on the following 1 April; Xavier Rineau (The Republicans), deputy mayor of Pallet succeeds him to the regional council.

The electoral district of Patricia Gallerneau was chosen by François Bayrou because of his domiciliation, his status as a woman and her quality of elected.

As the first member of the Committee on Finance, General Economy and Budget Control on 29 June 2017, she joined the Commission of Social Affairs on 18 July.