Mr. Loewenstein has been practicing criminal law since 1979.  He started as a deputy district attorney in the Orange County District Attorney's office and while there handled all levels of misdemeanors and felonies.  In 1984, Mr. Loewenstein opened up his own boutique law firm devoted exclusively to criminal defense.  Since 1991 he has been designated as a Certified Specialist in Criminal Law by the State Bar of California, one of only a handful of such specialists in Orange County.  Mr. Loewenstein has served as a Judge Pro Tempore for the California Superior Court and been featured in programs teaching new lawyers how to handle cases. He is a nationally recognized expert in criminal law and recently participated in Legal Talk Network, Lawyer to Lawyer, originating in Denver, CO, on the use of jailhouse informants in Orange County. His work has been featured on NBC Dateline and he has been a commentator for various news agencies.  Mr. Loewenstein handles all criminal matters from DUI/DWI to the most serious felonies.  He represented the CFO of Lincoln Savings and Loan in People v. Charles Keating, one of the largest bank fraud cases in US history.

Mr. Loewenstein's philosophy is to treat all his clients with the utmost respect and courtesy.  He is honored by the trust placed in him by his clients and does everything within his power to live up to that trust and aggressively protects his client's interests.