The contract with developers states that Jim will own the finished product. My role in the app development was to make the initial sketches & app flow (both in

The contract with developers states that Jim will own the finished product. My role in the app development was to make the initial sketches & app flow (both in the beginning and during the development), some design stuff, and Android testing, so I guess it can be argued that Jim doesn't own 100% of the current app because I've contributed something to the development as well