The Bianconeri official is confident that the young coach will commit his long-term future to the club after he enjoyed success in his first year in charge
The 42-year-old has earned widespread praise for his work at the club after guiding the Bianconeri to their first Scudetto in almost a decade in his first year in charge of the team.
Marotta thinks that extending Conte's contract, which expires in 2013, is just a matter of time after stating last month that such an issue was not a problem.
"Last year, we started an adventure together," he told Rai Sport. "We both want to continue this relationship, so I consider the renewal a formality."
Juventus finished four points clear of second-placed AC Milan in Serie A, and could add the Coppa Italia to the league crown as they tackle Napoli on Sunday.