Abstract: Systems and techniques to facilitate collaborative development of product definitions allow convenient and efficient identification and evaluation of product innovation ideas. In general, in one implementation, the technique includes receiving product innovation ideas via a network and storing the product innovation ideas. The stored product innovation ideas are displayed for review by a user, and the user may send an indication via the network of one or more selected product innovation ideas. Web-based collaboration among an evaluation team comprising a plurality of members provides a mechanism for evaluating the at least one user-selected product innovation idea.