Licensee agrees to reasonably cooperate with Licensor’s preparation and filing of any applications, renewals or other documentation necessary or useful to protect Licensor’s ownership of the Licensed IP Rights (at Licensor’s expense, unless expressly provided otherwise in this Article VII). Each Party agrees to promptly notify in writing the other Party (including the relevant details known to the notifying Party) of any (i) discovered or suspected infringement or misappropriation by any Person of any of the IP Rights licensed under this Agreement in the North America Region (or, solely with respect to Avon NA, such infringement or misappropriation in the International Region of which Avon NA becomes aware) or (ii) actual or threatened challenge by any Person concerning the validity, registration or ownership any of the Licensed IP Rights.