Alexander Sergeev focuses his practice in the areas of civil law and intellectual property regulation.

In addition to scientific and scholastic activities, Alexander has been advising private companies and organizations for over fifteen years. He has represented his clients' interests in courts of various instances, including the Constitutional Court of Russia, the Supreme Court of Russia and the Supreme Arbitration Court of Russia, as a representative to parties and an expert. 

Alexander has acted as an adviser on Russian law in international and foreign arbitration courts on several occasions.