It is commonly stated that he was maître de musique of the Duchess of Maine, but Michele Cabrini convincingly refutes this claim in his edition of Courbois's cantatas.
[1] At least three of his masses were performed for the King of France at Versailles.
[2] Sometime before 1710, Courbois published a book of seven cantatas with texts by Louis Fuzelier, who would later write the libretto of Les Indes Galantes.
It is these cantatas for which he is most famous today [3] Courbois was one of many minor French composers who cultivated the cantata during the Baroque period.
[4] This article about a French composer is a stub.