The role of essential patents as knowledge input for future R&D
•This study tests the role of essential patents as a knowledge input for future R&D.•It uses the essential patents in W-CDMA and LTE standards.•It shows the selection of knowledge sources for R&D differs among business models.•Our findings provide several important implications.
Standards play a key innovation role in industries where a network effect prevails. A standard may contain important technological information that can serve as a basis of further innovation. This study empirically investigates how firms use essential patents as standard-driven technological knowledge for future R&D.
Journal: World Patent Information - Volume 38, September 2014, Pages 33–41