Sandisk Corp. (“Sandisk”) filed a patent infringement action against Kingston Technology Co., Inc. (“Kingston”). Prior to trial, Sandisk moved to exclude defendant’s expert witness on damages because the expert’s methodology was unreliable and because the supplemental report contained untimely opinions.
In terms of reliability, Sandisk asserted that the expert used an incorrect legal standard for defining the relevant geographic market and the expert’s definition did not fit the facts of the case. The expert defined the market to include “all manufacturers, regardless of where located, with the legal right to sell flash memory products in the United States.” Plaintiff asserted that this was the wrong market because the expert defined the market in terms of the location of sales instead of by the region where consumers are able and willing to purchase substitutes. The district court disagreed, finding that “[c]ontrary to plaintiff’s assertions, this definition does not exclude foreign competitors who may divert products into the United States or competitors without a license from plaintiff.”
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