New brands are protected branded products on the market less than 24 months during the year reported. Protected brands are products which are no longer “new” and have yet to reach patent expiry. Loss of Exclusivity (LOE) are brands which were once protected and have since lost patent protection. Generics include both unbranded and branded generics. All segments exclude hepatitis C treatments. Hepatitis C spending growth is reported separately from the other segments in the chart as unusually there are declines in spending in both the new and protected segments for these drugs.