Wine law is a system of laws and regulations that governs the production and distribution of wine. Different levels of the government (federal, state, and local) and different areas of the law make its practice fascinating. The study and/or practice of wine law includes various legal subjects such as alcohol beverage law, trademark, contracts, land use, agriculture, international, and immigration law among others.In the U.S., wine law as part of alcohol beverage law, is widely influenced by the “Prohibition” era. This is a brief overview of wine law. The study and practice is complex and ever changing.