The general purpose of antitrust laws is to stop unfair competition among businesses and to put an end to business monopolization in the marketplace. There are several federal laws that control the field of antitrust law; however, California has laws of its own that coincide with much of the federal law. A well-established San Francisco white collar criminal attorney can explain how the laws apply to your exact situation.
The Cartwright Act is California's general antitrust law that prohibits the joining of two or more persons' funds, skills, or acts in order to limit trade or commerce, lessen the creation of products, increase the price of products, put a stop to competition, or standardize any commodities. There's also the Unfair Practices Act, which makes price discrimination illegal. This Act parallels federal law in that it prohibits price discrimination that destroys competition. However, California more specifically states that price discrimination is illegal only when the discrimination is between different cities within the state, communities, or any sections or portions thereof. Additionally, the Act applies to both services and products. Furthermore, California's Unfair Competition Act considers both fraudulent business acts and deceptive advertising to be unfair competition.