0001181431-09-025767 4 1 20090515 20090519 20090519 DEMO MURRAY J 0001226048 4 34 001-32431 09840153 Dolby Laboratories, Inc. 0001308547 3663 900199783 DE 0930 100 POTRERO AVENUE SAN FRANCISCO CA 94103 415 558 0200 100 POTRERO AVENUE SAN FRANCISCO CA 94103 4 1 rrd243005.xml FORM 4