Build PrestaShop Clone - unique build

Hello, this project definition is simple. We need to have a webshop unique build. We want to own the code and all author rights and other IPR's. Our company will use this webshop as a basis for all here e-commerce projects. All webshops features must be a like or nearby all features Prestashop has. So all Prestashop features such as: - New templates can easily be made and integrated using templated based design; - Coded in PhP, MySQL, java, js and a like - Module based, so a module, eg payment gateway or other module based functionalities can be (de) activated Existing e-commerce solutions also welcome, but remember this project include all code ownership, author right and ipr