As a resource for California class action defense attorneys, we provide weekly, unofficial summaries of the legal categories for new class action lawsuits filed in California state and federal courts in the Los Angeles, San Francisco, San Jose, Sacramento, San Diego, San Mateo, Oakland/Alameda and Orange County areas. We include only those categories that include 10% or more of the class action filings during the relevant time frame. This report covers the time period from May 6 – 12, 2011, during which time 70 new class actions were filed in these courts. The unusually large number of class actions being filed each week has dramatically impacted the relative percentage of labor law class actions filed each week, as in previous years, class actions alleging employment-related claims often accounted for more than half of all class actions filed in these California courts. This reporting period, 27 new labor law class actions were filed (representing 39% of the total number of class actions filed during the week). The only other category to break the 10% threshold were class actions alleging violations of California’s Unfair Competition Law (UCL), which includes false advertising claims, with 20 new lawsuit (13 of which involved class actions arising out of the hacking of Sony’s Play Station network) representing 29% of the total number of new class actions filed this past week.