“Apple has been sued by a Texas-based company for allegedly infringing on a patent with its Numbers spreadsheet software,” Josh Lowensohn reports for CNET.

“The complaint, which was filed on Wednesday with the U.S. District Court for the Eastern District of Texas Tyler Division, accuses Apple of infringing on a patent covering a ‘system and methods for improved spreadsheet interface with user-familiar objects’ with its Numbers software,” Lowensohn reports. “That patent was granted by the U.S. Patent and Trademark Office in 1995, and now belongs to Data Engine Technologies LLC, a non-practicing entity, or what some would call a ‘patent troll.’”

Lowensohn reports, “Data Engine Technologies says Apple knew about its patent in mid-2010, and referenced it its own patent for cutting and copying spreadsheet cells, which was issued more than a decade later in 2007.”

Read more in the full article here.