The Bears offered Robertson-Harris a second-round tender, which will be worth $3.27 million in 2020. The team made its offer on March 13.
Robertson-Harris, 26, has a combined 7.5 sacks over the last three seasons. He joined the Bears as an undrafted free agent in 2016, signing initially as an outside linebacker out of UTEP.
Robertson-Harris played a career-high 51 percent of the Bears' defensive snaps in 2019.