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This is the expense the company spent on research and development. Alexion Pharmaceuticals Inc's research and development for the three months ended in Sep. 2015 was $166 Mil. Its research and development for the trailing twelve months (TTM) ended in Sep. 2015 was $648 Mil.
This is the expense the company spent on research and development.
Alexion Pharmaceuticals Inc Research & Development for the trailing twelve months (TTM) ended in Sep. 2015 was 129.11 (Dec. 2014 ) + 221.08 (Mar. 2015 ) + 131.693 (Jun. 2015 ) + 165.664 (Sep. 2015 ) = $648 Mil.
If competitive advantage is created by a patent or tech advantage, at some point it will disappear.
High R&D usually dictates high SG&A which threatens the competitive advantage.
Alexion Pharmaceuticals Inc Annual Data
|Research & Development||83||69||63||82||98||137||223||317||514||709|
Alexion Pharmaceuticals Inc Quarterly Data
|Research & Development||88||86||191||93||101||129||221||132||166||191|