As we have stated previously, changes in operating expenses can vary from quarter to quarter for a variety of reasons, including the timing of R&D projects, marketing spend around trade shows, and when IP cases go to trial.

Oct 30, 2019 / CFO / receipt, needs a key / Neil Reynolds, CFO | earnings call 2019-10-30 | transcript 5b73e9ef-9232-48ca-b671-b4ee26fd6759 | chars 8420-8643 | segment 8