pt. I. Theories and concepts. ch. 1. Advancing a typology of open innovation / Peter Gianiodis, Scott C. Ellis, and Enrico Secchi. ch. 2. Open innovation and the integration of suppliers -- literature review and discussion on supplier innovation / Alexander Brem and Gerd Schuster. ch. 3. Managing open innovation in new product development projects: a contingent perspective / Hanna Bahemia and Brian Squire. ch. 4. Collaborative product development for competing suppliers / S. Sinan Erzurumlu -- pt. II. Empirical findings based on quantitative research. ch. 5. Supplier innovativeness and supplier pricing: the role of preferred-customer status / Holger Schiele, Jasper Veldman, and Lisa Huttinger. ch. 6. The effect of trade policy regimes on firms' learning from suppliers how to innovate / Jahan Ara Peerally and John Cantwell. ch. 7. The relation between internal and external open innovation: a study of firms located in the Goomi and Banwol-Sihwa clusters in South Korea / Joseph Yun Jin-Hyo and Avvari V. Mohan. ch. 8. Collaborative approach within the open innovation framework: Russian companies / Daria Podmetina [and others]. ch. 9. Rigidities considered: supplier strategies for integrated innovation / Thorsten Teichert and Ricarda B. Bouncken. ch. 10. Supplier involvement in customer new product development: new insights from the supplier's perspective / Irina Tiemann, Nathalie Sick, and Jens Leker -- pt. III. Insights from case study research. ch. 11. Knowledge and intellectual property management in customer-supplier relations / Jaakko Paasi [and others] ch. 12. Procurement procedures for supplier integration and open innovation in process development projects / Per Erik Eriksson and David Ronnberg Sjodin. ch. 13. Organising innovation processes with suppliers / Tina B. Aune and Espen Gressetvold. ch. 14. Managing the fuzzy front end: intra-firm versus inter-firm networks / Jacob Hoj Jorgensen [and others]. ch. 15. How new product development service suppliers exchange knowledge in open innovation processes / Gabriele Colombo, Claudio Dell'Era, and Federico Frattini. ch. 16. Managing offshore development: a cultural perspective / Petra Edoff, Christer Norstrom, and Ylva Wretas. ch. 17. Wearing different hats: how absorptive capacity differs in open innovation / Lance Newey. ch. 18. Generativity in open innovation ecosystems: the iPhone and Android / Bjorn Remneland-Wikhamn [and others]. ch. 19. Crossing horizons: leveraging a cross-industry innovation search in the front-end of the innovation process / Sabine Brunswicker and Ulrich Hutschek -- Summary and future directions / Joe Tidd and Alexander Brem.