For the two Lovenox patents originally in play in the patent-infringement suit against Amphastar, the duration of prosecution by the USPTO varied a lot: 2.7 years for the ‘466 and 6.5 years for the ‘886. Based on your table, the ‘886 was the outlier.
What is the correlation between the duration of USPTO prosecution for a given pharma patent and the patent being ultimately upheld in a judgment or settlement? I’m looking more for a directional answer than a quantitative one. I would guess that the answer is a small positive number around 20%, but I’ve never thought about it until now.
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