In a case pending in the United States District Court for the Eastern District of Texas, the district court entered an order that leave of court must be obtained before a summary judgment motion may be filed. Defendant filed a letter brief with the district court seeking leave to file a motion for summary judgment of invalidity based on indefiniteness.
The letter brief asserted that the claims in the patent-in-suit were indefinite based on the Federal Circuit’s decision in Datamize LLC v. Plumtree Software, Inc., 417 F.3d 1342 (Fed. Cir. 2005). In Datamize, the Federal Circuit affirmed a summary judgment in favor of a competitor on the basis that the claims that disclosed a software program which allowed people to author user interfaces for electronic kiosks were indefinite. The Federal Circuit focused on the patent’s use of the term “aesthetically pleasing” and whether that term met the standard for definiteness. The Federal Circuit found that definition of “aesthetically pleasing” could not depend on an undefined standard and that the definition could not be based on subjective opinion.
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