Commercial real estate data giant CoStar Group has launched another legal campaign against individuals and real estate firms it says stole its content by using shared user-login passwords. The publicly-traded company, whose market cap Thursday was $14.5 billion, filed seven federal lawsuits Wednesday against individuals and real estate firms it accused of illegally using CoStar’s product by logging on to its subscription service without authorization. By doing this, the firm alleged, each defendant was using ... [more]