Time from brand drug launch to generic patent challenges U.S. 1995-2014

This statistic shows the average time from the launch of a new brand drug to the time that the patent is challenged by generic companies under paragraph IV certifications in the U.S. from 1995 to 2015. The average time from launch to having a drug patent challenged has decreased from 14.3 years as of 1995 to just 5.2 years as of 2014.

本统计数据展现了自1995年至2015年间，美国新品牌药品上市至其专利在段落IV认证下被仿制药公司挑战的平均时间。自1995年的14.3年降至2014年的仅为5.2年，药品专利从上市到遭受挑战的平均时间显著缩短。