Her documented formal qualification is admission to the Geneva bar in 1986. The Geneva Bar Association, a private association founded in 1895, represents the city's legal profession before public authorities and other bars. Membership is voluntary, but the association includes the large majority of lawyers registered at the Geneva bar, including most trainee lawyers.
Favre practises law in Geneva as a partner of Berger Recordon de Saugy, a firm that has been active in the city for about four decades. The firm's offices are near the Palais de Justice, and its work centres on family law, with related practice in inheritance and criminal matters. In a poll of lawyers, in-house counsel and clients, the firm was nominated as one of Switzerland's top family law firms for each year from 2017 through 2023.
A partner in a Swiss law firm holds a senior position with a stake in the management of the practice. Her documented languages are French, English and German.
