English to French Law/Patents Law: Contract(s)

Licensee waives, and shall secure from all of the aforementioned persons and entities, waivers of all moral rights, proprietary rights, neighboring rights, proceed rights, re-use rights, rental and lending rights, equitable remuneration rights and all other rights relating to the aforementioned modified works or the Materials.

Je ne saisis pas la construction du début de la phrase surtout avec Waives et Waivers qui me compliquent tout
Merci pour vos suggestions