EDISON, N.J.--(BUSINESS WIRE)--Mack-Cali Realty Corporation (NYSE: CLI) today announced that Forest Research Institute, Inc., a subsidiary of Forest Laboratories, Inc., has signed a new nine-year, 35,587 square-foot lease at Harborside Financial Center Plaza 5 in Jersey City, New Jersey. The firm now leases a total of 215,659 square feet at the 977,225 square-foot class A office building, with all of its leases expiring concurrently.