The following sections are included: <ul><li class="bullet">Introduction</li></ul> <ul><li class="bullet">Literature Review <ul><li class="bullet"> Scope and structure of the review</li><li class="bullet"> Defining open innovation</li><li class="bullet"> Nomological network of open innovation</li><li class="bullet"> Open innovation adoption <ul><li class="bullet"> Firm characteristics</li><li class="bullet"> Technology considerations</li><li class="bullet"> External environmental conditions</li></ul> <p></li><li class="bullet"> Open innovation...</li></p></ul></li></ul>

Interest in the concept of open innovation (OI) has increased during recent years; yet, this line of inquiry remains limited due to the lack of a more comprehensive conceptual framework. As a first step toward a unifying framework, we provide a critical review of previous research on the...