Data Engine Technologies LLC v. Google LLC, No. 21-1050 (Fed. Cir. Aug. 26, 2021)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

DATA ENGINE TECHS. LLC v. GOOGLE LLC 2 This is the second appeal in this case . Data Engine Technologies LLC (DET) appeals the United States Dis- trict Court for the District of Delaware’s summary judg- ment of noninfringement . The district court’s summary judgment was premised on its construction of the term “three-dimensional spreadsheet” recited in the preamble of the asserted claims. For the reasons below, we hold that the preamble is limiting and adopt the district court’s con- struction of that term.