BlackBerry Ltd. bbry announced Tuesday a long-term patent cross licensing agreement with Cisco Systems CSCO, -2.39% . As part of the pact, BlackBerry will receive a license fee from Cisco. Specific details of the agreement were not disclosed. "Our agreement with Cisco underscores the value companies place on BlackBerry's broad and foundational patent portfolio," said Mark Kokes, BlackBerry's vice president of intellectual property and licensing. BlackBerry's stock surged 9.2% in premarket trade, after the company reported fiscal first-quarter results. Cisco's stock was still inactive ahead of the open.