Dolby dropped a patent infringement case against Research In Motion after the two sides reached a licensing agreement, Reuters reported on Monday. Dolby filed a lawsuit against RIM on June 15th in the United States and in Germany in an attempt to block sales of BlackBerry smartphones and the BlackBerry PlayBook. The audio company also sought to recover financial damages. Dolby accused RIM of using its “highly efficient digital audio compression technologies” and filed a suit after RIM initially declined to pay licensing fees. The terms of Monday’s licensing agreement were not disclosed. Dolby’s technology is used in a number of popular smartphones from manufacturers such as Samsung, Nokia, HTC and LG.