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

The Supplier shall, at the request and expense of BT, do or ensure that is done, everything that BT may reasonably require to apply for and to obtain Intellectual Property Rights in any New Information and to **vest in** BT absolutely any such Intellectual Property Rights, or any application.

Je pensais faire un pirouette en traduisant par "ces droits doivent être dévolus irrévocablement à BT..." mais je me demande s'il y a une expression consacrée pour vest in