While open innovation is a defined concept, its methodology differs based on what companies are using it. Two cases - Inwido and Tetra Pak - take an open innovation approach to solving their internal challenges. Having chosen different approach to implement open innovation practices, both projects arrive to successful outcomes. Success factors for open innovation include involvement of top management, setting clear strategy for openness and participation and creation of open ecosystem. his presentation was held at the "Hands On - Open Innovation" one day workshop arranged by Ideon Open in Lund, Sweden. More information about the event is at http://www.ideonopen.com/events