dp619 writes: A developer might fly under the patent troll radar until she makes it big, and then it's usually open season. Apple just shared that it has faced off 92 lawsuits over just 3 years. Even Google's ad business is at risk. Well known FOSS attorney Heather Meeker has blogged at the Outercurve Foundation on what to consider and what to learn if you're ever sued for patent infringement. Meeker examined how provisions of open source licenses can deflate a patent troll's litigation and shift the balance in favor of the defense.