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Is there any approximation how much sales will decrease after patent cliff?
YR= No. of years from the expiry of patent
- So, if peak sale is 12.9 billion.
- At the end of 4th year of patent expiry it will be 12.9/4 = 3.2 billion
- In above example you can find peak sale is 12.9 billion and year of patent expiry is 2011. by 2014 (2011,12,13,14 – total four years) sales should be around 3.2 Billion.
- In actual sales was 2.76 Bn.