Certain Access Control Systems and Components Thereof, Inv. No. 337-TA-1016 (May 31, 2017), is a good lesson in covering all your bases. Relying on a non-infringement decision by ALJ Pender, respondents assumed that they did not need to present an invalidity case, and they failed to take certain relevant discovery. When Judge Pender’s decision was reversed by the Commission, they tried to get that discovery. Judge Pender ruled that it was too late.