All of the Delaware judges have rules in their form scheduling orders limiting the circumstances in which summary judgment motions can be filed. Most notably, each forbids the filing of summary judgment motions in ANDA cases absent leave. In other patent cases, SJ motions cannot be filed more than 10 days before the deadline for dispositive motions without leave.
As part of my ongoing series of posts about analytics when I have nothing else to write about (why can't I find Al Capone's cave?), I've compiled some statistics on how likely these motions are to be granted, based on the issue (infringement, validity, something weird).
Looking at all the cases for the last three years (and a bit extra so I could get to 20 and not have to do math) the general success rates for these is a pretty abysmal 20%. Validity issues fair a bit better at about 29%. Infringement/noninfringement also beat the average at about 25%. Weirdly, inequitable conduct seems to fair the worst, at a whopping 0.0% (rounding up).
I've got some more analytics on specific judges, but I'm saving them in case I need another one of these on Thursday.
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