This article discusses a California case which held that a rent control board’s suit alleging that a landlord was not entitled to charge market rate rents was not a SLAPP suit because it was based on the alleged charging of unlawful rent, not the landlord’s act of filing documents with the board.
Bernhardt, Roger, "Rent control: Santa Monica Rent Control Bd. v Pearl Street, LLC, 2003" (2003). Publications. 353.