| Abuse of dominant market position as one of the three pillars of anti-trust system, national anti-trust provisions are made in China anti-monopoly law is no exception. However, the requirements of the system of anti-monopoly law is too simple, in the antitrust practice, did not play its due role in guiding. This will combine the anti-monopoly law and related regulations of China and the U.S. related to the classical case, view the definition of relevant markets, identification of market dominance and abuse of dominant market position in the legal regulation and other related content, pointing out deficiencies and propose improvement recommendations. |