To assist class action defense attorneys anticipate the types of lawsuits against which they will have to defend in California courts, 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 timeframe. This report covers the time period from June 25 – July 1, 2010, during which time 49 new class actions were filed in these California state and federal courts. Labor law class actions frequently top the list, often accounting for more than half of the new class action filings in any particular week. This past, week, however, new labor law class actions accounted for less than 50% of the total number of new class actions filed, but still managed to come in as the top category with 22 new class actions (representing 45% of the new class actions filed during this reporting period). The only other categories to break the 10% threshold involved class actions alleging violations of California’s Unfair Competition Law (UCL), which includes false advertising with 9 new filings (representing 18% of the total number of new class actions filed), and class actions alleging violations of federal securities laws, with 5 new filings (10%).