In the two years since Philadelphia-based Cozen O’Connor merged with Chicago-based Meckler Bulger Tilson Marick & Pearson LLP, leaders from the respective firms haven’t been sitting around watching the ink dry.Rather, they’ve been working on a strategic plan which includes goals for growing its labor and employment law practice.Since joining with MBT in 2015, Cozen has doubled its L&E group, growing from about 35 lawyers after the merger was completed to approximately 70 today.That growth was by …