Companies that sell data during the course of their business do not always realize that they are considered a “data broker” under some U.S. state laws, and that their data broker activities may require registration with some states. With increased attention being paid to individual privacy rights and the recent enactment of new state privacy laws in the U.S., it is an opportune time for companies to determine whether they are data brokers so that they can focus their compliance efforts on the various requirements, if applicable.