Microsoft Corp.’s legal department has a longer history with alternative legal service providers than many, a history that’s left the team with insights on what works and what doesn’t.

This week, the Redmond, Washington-based company celebrated 10 years with ALSP Integreon. It’s an anniversary that prompted Microsoft director of legal operations Tom Orrison to reflect on the lessons, successes and struggles of working with ALSPs. While he was not director of legal ops when Microsoft began working with ALSPs, starting the role in Feb. 2018, he’s been with the company for nearly 15 years and learned from his predecessors.