Data Engine Technologies (DET) sued Google claiming that it infringed several claims of U.S. Patents 5,590,259, 5,784,545, 6,282,551 directed to tabbed-spreadsheets, among others. The patents claim system and methods for making complex electronic spreadsheets more accessible by providing familiar, user-friendly interface objects–specifically notebook tabs–to navigate through spreadsheets.
Google asserted that the claims of these patents were directed to abstract ideas and did not provide an inventive concept. The Federal Circuit disagreed finding claims directed to the tabbed spreadsheet were patent eligible in Data Engine Technologies LLC v. Google LLC, No. 2017-1135 (Fed. Cir. 2018).
Figure 4D of the ‘259 patent shows tabs at the bottom of each sheet.
Figure 2D provides an enlarged view of the tabs.
The court notes that while these tabbed spreadsheet interfaces are common …