He also wrote a number of important works on Chinese law and society, which are still consulted.
He worked for Chiang Kai-shek, which gave him the role of "advisor".
"le droit Chinois", one of his work, was made to explain to France's government the base of Chinese's law.
In France, he was the president of the commission on intellectual property, which was established in August 1944 and eventually paved the way for the 1957 law on literary and artistic property.
International Review of the Protection of Literary, Artistic and Industrial Property" from 1935 till 1940.
Escarra is also known for having organized alpine expeditions in his capacity as president of the Groupe de Haute Montagne.