Evidentiary Dynamite

Many successful trial specialists consider “other similar incidents” evidence (“OSI”) to be among the most powerful weapons intended to persuade juries that the product in question is truly defective. If they are used, however, two things are necessary: evidence to support the incidents, and careful scrutiny, not only for the familiar standards of so-called “substantial similarity,” but also for true relevance, probativeness and potential for prejudice.