Filing for a Patent Versus Keeping Your Invention a Trade Secret
Harvard Business Review
NOVEMBER 21, 2013
Wyeth, a pharmaceutical acquired by Pfizer in 2009, was the sole supplier of Premarin. In 1998, a group of horse ranchers suddenly set up a production facility and filed an Abbreviated New Drug Application (ANDA) for a generic version of Premarin. This, of course, represented a serious threat to a hugely profitable product.
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