Tax litigation can be an expensive proposition.  The law normally requires the taxpayer to prove that the tax agency is wrong.  Robert Horwitz has experience representing clients in complex tax cases in U. S. Tax Court, U.S. District Court, U.S. Courts of Appeal, and California Superior Court on a wide range of issues, including tax refund actions, TEFRA partnership cases, tax shelter cases, tax collection cases, innocent spouse cases, summons enforcement cases and tax lien priority cases.  As a former Tax Division trial attorney and Assistant U.S. Attorney, he has the knowledge and experience needed to get the best result possible for his clients.