Atty. Robert Anthony Casper, Jr

Atty. Robert Anthony Casper, Jr

Mr. Casper has been working in the field of criminal law for nearly 18 years, since 1998 as an attorney and from 1996 through 1998 as a certified legal intern prior to taking the California Bar Exam.

San Rafael San Rafael 28 yrs experience 28 year
Call (415) 991-7154 Book Appointment

Profile Summary

About Robert Anthony Casper, Jr at a glance

Robert Anthony Casper, Jr is a Member based in San Rafael, California, practicing at The Law Offices of Casper and Biddle, LLP. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on dui/dwi and criminal defense. Admitted to practice in California (1998). Educated at San Francisco Law School (J.D., 1998) and University of California, Santa Barbara (B.A. Political, 1989). Recognitions include Peer Reviewed. Serands clients in San Rafael, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Casper has been working in the field of criminal law for nearly 18 years, since 1998 as an attorney and from 1996 through 1998 as a certified legal intern prior to taking the California Bar Exam
  • Mr. Casper has been in private practice since 2004 and has successfully represented thousands of clients
  • Mr. Casper is considered to be one of the preeminent trial attorneys in Marin County, and the Bay Area in general, and has appeared frequently in the media discussing his cases, both on television and in the print media
  • Mr. Casper handles all types of criminal cases, including homicide, DUI, drugs, assault, theft, domestic violence, and countless other areas
  • Mr. Casper is very well-respected by prosecutors and judges alike and, quite frankly, such positive relationships can be the difference between a good result and a great result
  • Mr. Casper was a Deputy District Attorney at the Butte County District Attorney's Office from 1999 through 2004
  • Prior to that, Mr. Casper worked as a Special Assistant District Attorney (and as a Certified Legal Intern prior to taking the Bar Exam) at the San Francisco District Attorney's Office, where he worked for 2 1/2 years
  • Further, Mr. Casper worked as an intern at the Marin County District Attorney's Office in 1996 while still in law school
  • Mr. Casper has tried over 100 cases before juries throughout the state of California, as both a prosecutor and defense attorney, including matters involving homicide, driving under the influence (DUI), robbery, assault, burglary, domestic violence, terrorist threats, sex crimes, financial crimes, drugs, and countless others
  • In addition to the aforementioned jury trials, Mr. Casper has literally TENS OF THOUSANDS OF HOURS OF COURTROOM EXPERIENCE, with matters ranging from the most complicated of motions involving complex constitutional issues, to the simplest of arraignments, and everything else in between
  • Furthermore, Mr. Casper is an expert in DUI cases, having taught classes on DUI investigation and report writing to various law enforcement agencies in California
  • This enables him to evaluate a DUI cases as a prosecuting attorney would and allows him to instantly identify the weaknesses in the case against you
  • Mr. Casper is also proficient at representing clients at DMV hearings so that he may fight the possible suspension of your driver's license, a major problem when you have been charged with DUI
  • You should know about your attorney
  • Here are Mr. Casper's credentials: He is a member in good standing with the State Bar of California
  • He graduated from the University of California at Santa Barbara, with a Bachelor of Arts in Political Science, in 1989
  • Mr. Casper received a Juris Doctorate degree in 1998 from San Francisco Law School, where he was a Dean's List student
  • Mr. Casper has been admitted to the practice of law by the California Supreme Court (State), the Northern District of California (Federal), and the United States Court of Appeals for the Ninth Circuit (Federal)
  • Additionally, Mr. Casper is a member of the California Public Defenders Association (CPDA) and the Marin County Bar Association (MCBA)
  • Moreover, Mr. Casper has taught classes on DUI investigation and report writing to the California Highway Patrol (CHP), the Chico Police Department, the Butte County Sheriff's Office, and the Butte College Police Academy
  • Similarly, Mr. Casper has taught courses on the investigation of and the report writing for serious felonies, including homicide, to various law enforcement agencies
  • As written above, Mr. Casper has TENS OF THOUSANDS OF HOURS of courtroom experience
  • He has conducted countless numbers of hearings, motions, court trials, and jury trials in multiple jurisdictions throughout California
  • When your freedom is on the line, you need a highly skilled attorney who is at home in the courtroom and will work to get you the best results possible
  • Simply put, you need the best attorney out there
  • For further information about Robert A. Casper, Jr., Attorney at Law, and the Law Offices of Casper and Biddle, Inc., please call us at, ext. 133 (office) or

Practice Areas Explained

Robert Anthony Casper, Jr's Areas of Practice

Each practice area below reflects the types of cases Robert Anthony Casper, Jr handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Robert Anthony Casper, Jr is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in California →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Robert Anthony Casper, Jr is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Rafael are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Rafael or all attorneys in California.

Frequently Asked

Common questions about Robert Anthony Casper, Jr

Where is Robert Anthony Casper, Jr's law office located?
Robert Anthony Casper, Jr's law practice is located in San Rafael, California. The firm is The Law Offices of Casper and Biddle, LLP. You can contact the office directly through this profile page.
What practice areas does Robert Anthony Casper, Jr handle?
Robert Anthony Casper, Jr focuses on dui/dwi, criminal defense. Each practice area listed reflects experience handling cases of that type in California.
How long has Robert Anthony Casper, Jr practiced law?
Robert Anthony Casper, Jr has 28+ years of legal experience and has been licensed since 1998.
Where did Robert Anthony Casper, Jr go to law school?
Robert Anthony Casper, Jr earned their education at (J.D., 1998); (B.A. Political, 1989).
How can I contact Robert Anthony Casper, Jr for a consultation?
You can contact Robert Anthony Casper, Jr directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Robert Anthony Casper, Jr received?
Robert Anthony Casper, Jr's notable recognition includes: Peer Reviewed.

Education

J.D.
San Francisco Law School
- 1998
B.A. Political
University of California, Santa Barbara
- 1989

Awards

Peer Reviewed

Bar Admissions

California
Admitted: 1998

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