Turp started teaching at the Université de Montréal in 1982. Since then, he has taught several law courses at the University of Paris X (1986–1996), The International Institute of Human Rights in
Strasbourg (1988) and
Harvard University (1996). He has also been a director of studies at the international law academy in
The Hague (1995).[citation needed]
In 2005, he proposed a project for a
Quebec constitution and he signed the Manifeste pour un Québec solidaire (Manifesto for Quebec solidarity). He has published many articles on
Quebec sovereignty and its constitutional implications.[citation needed]
Turp supported
André Boisclair during the Parti Québécois' party leadership campaign in 2005, and was re-elected in the
2007 election. He faced some criticism in 2008 as one of two MNAs, along with
Pierre Curzi, who endorsed a controversial petition opposing
Paul McCartney's performance at
Quebec City's 400th anniversary celebrations.[4]
In 2011, Turp unsuccessfully ran for president of the Parti Québécois.[citation needed]
Publications
1995: L'Avant projet de loi sur la souveraineté : texte annoté, Cowansville, Les Éditions Yvon Blais.[6]
2000: La nation bâillonnée : le plan B ou l'offensive d'Ottawa contre le Québec, Montreal, VLB éditeur.[7]
2001: Le droit de choisir : Essais sur le droit du Québec à disposer de lui-même/The Right to Choose : Essays of Québec's Right to Self-Determination, Montreal. Éditions Thémis[8]
2005: Nous, peuple du Québec : un projet de constitution du Québec. Sainte-Foy, Éditions du Québécois.[9]
Collaborations
1986:
G. Beaudoin (dir.), Perspectives canadiennes et européennes des droits de la personne, Cowansville, Éditions Yvon Blais.[10]
1995: Brossard, J. and D. Turp, L'accession à la souveraineté et le cas du Québec : conditions et modalités politico-juridiques, 2nd edition (with supplement), Montreal, PUM.[11]
1996: Debard, T., J. Schmidt, V. Nabhan and D. Turp, La régulation juridique des espaces économiques : interactions GATT/OMC, Union européenne et ALÉNA, Lyon, Centre Jaques-Cartier.
1997:
Morin, J.-Y., Rigaldies and D. Turp, Droit international public : notes et documents, Montreal, Les Éditions Thémis, 3rd edition (2 volumes).[12]
1998: Schabas, W. and D. Turp, Droit international, canadien et québécois des droits et libertés : notes et documents, Cowansville, Les Éditions Yvon Blais, 2nd edition.[13]