Total expenditures on research and development for the Group in the year under review totaled CHF 180.8 million (previous year: CHF 172.1 million), equivalent to 2.9% of sales (previous year: 3.0%).

Intellectual property

Innovation has a long-standing tradition within Sika, and 'courage for innovation' is one of the corporate values. Sika maintains exclusivity over its innovative products through the systematic registration of its intellectual property rights. 133 new inventions were reported in 2018 (previous year: 112) and 85 new patent applications were filed (previous year: 81). By the end of 2018, Sika’s patent portfolio included more than 800 unique patent families with more than 3,400 single national patents.