For all the time we’ve spent highlighting New Jersey’s glut of sprawling, vacant corporate campuses, it’s easy to lose sight of just how many of them have been rescued in recent years by some of the state’s boldest and most inventive developers. Those success stories are worth telling, which is why we often do at Real Estate NJ. But there are underlying trends or nuances in some of those projects that don’t get as much attention on a day-to-day basis. Like how a crop of innovative, lesser-known biotech and pharmaceutical firms are backfilling space at the former research campuses of Sanofi and Hoffmann-LaRoche, helping to stabilize those sites as their new owners pursue larger redevelopment plans.