The firm was founded in 1981 by Mr. Perez who was formerly an Assistant United States Attorney and an IRS Attorney in Los Angeles, California. The firm  engages in  the defense of white collar federal crimes, representation in criminal and civil tax controversy matters,  and probate and trust-related litigation.

Mr. Perez has over 24 years experience defending people who are accused of federal crimes or who are under grand jury or IRS tax investigations. He is available for federal criminal court representation. He also represents trustees or beneficiaries in probate and trust litigation.  The firm also handles probate cases.

Mr. Perez is listed in Martindale-Hubbell's Bar Register of Preeminent Lawyers (AV-rated). He practices primarily in Los Angeles and Orange counties. His Los Angeles office is located at 500 Citadel Drive, Second Floor, LA 90040; telephone-562-889-3820. His Orange county office is located at 3020 Old Ranch Parkway, Suite 300, Seal Beach, California 90740; telephone-562-799-5524.