Judge Frank Riebli

Judge Frank J. Riebli was appointed to the Contra Costa County Superior Court by Governor Gavin Newsom on January 31, 2023, filling the vacancy left by the retirement of Judge Lewis A. Davis. He sits at the Pittsburg Courthouse. His pre-bench career was concentrated almost entirely in federal criminal prosecution: he served as an assistant United States attorney for over a decade with the U.S. Attorney's Office for the Northern District of California (2012–2022) and briefly with the Eastern District of California (2022–2023). Before his prosecutorial career, he clerked for Judge Joseph T. Sneed on the U.S. Court of Appeals for the Ninth Circuit and practiced as an associate at two prominent law firms, Kirkland & Ellis LLP and Farella Braun + Martel LLP. Judge Riebli's academic background is notably rigorous: he holds a J.D. from UC Hastings College of the Law (2002), an M.A. in philosophy from Columbia University, and a bachelor's degree from UC San Diego. The philosophy graduate training signals a capacity for structured, logical argumentation and close textual analysis. His Ninth Circuit clerkship reflects exposure to appellate-level legal reasoning and rigorous written advocacy standards. No ruling analyses, attorney observations, or courtroom behavioral data are currently available for Judge Riebli in his judicial capacity. All strategic guidance below is drawn exclusively from his documented career history and educational background. Attorneys should treat this profile as a starting-point framework and supplement it with direct courtroom observation as his judicial record develops.

Judge Riebli's decade-plus as a federal prosecutor means he has deep familiarity with evidentiary standards, procedural rigor, and the mechanics of criminal litigation. Attorneys in criminal matters — particularly those involving search and seizure, pretrial detention, or complex evidentiary issues — should expect a judge who is conversant with federal constitutional doctrine and Ninth Circuit precedent. Arguments grounded in precise legal text and well-organized factual records are consistent with the standards he operated under as a federal AUSA. His clerkship with Judge Sneed on the Ninth Circuit and his associate experience at Kirkland & Ellis and Farella Braun + Martel indicate exposure to high-quality written advocacy. Attorneys should prioritize tight, well-structured briefs that lead with the strongest legal authority. His philosophy graduate training suggests an appreciation for logical coherence and the ability to identify gaps or inconsistencies in an argument — sloppy reasoning or unsupported leaps in logic are risks in any submission. Because no judicial rulings are yet available for analysis, attorneys handling civil matters before Judge Riebli should exercise particular caution in assuming his prosecutorial background will translate directly to civil litigation preferences. His civil docket experience is still developing, and direct courtroom observation remains the most reliable source of current intelligence.

• critical

  Master the Relevant Ninth Circuit and California Appellate Authority

  Given his clerkship and decade of federal practice, cite Ninth Circuit authority where applicable and ensure all California appellate citations are accurate and current. He will recognize sloppy or outdated case citations.

• critical

  Prepare Tightly Organized, Logically Coherent Briefs

  His philosophy graduate training and appellate clerkship indicate a high standard for logical structure. Each argument should flow from premise to conclusion without gaps, and headings should clearly signal the argument's architecture.

• critical

  Conduct Direct Courtroom Observation Before First Appearance

  No ruling data or attorney observations exist for his judicial tenure. Attending a session in his courtroom before your first appearance is the most reliable way to gather current intelligence on his procedural preferences and courtroom demeanor.

• important

  Review Federal Criminal Procedure Doctrine for Criminal Matters

  His prosecutorial background means he has command of federal criminal procedure, search and seizure law, and pretrial detention standards. Criminal defense attorneys should be prepared for sophisticated engagement on these issues.

• important

  Verify Local Rules and Standing Orders for Pittsburg Courthouse

  As a relatively recently appointed judge, he may have issued standing orders or adopted local practices specific to his courtroom. Check the Contra Costa County Superior Court website for any posted orders before filing or appearing.

• ›Arrive fully prepared on procedural and substantive law — his federal appellate clerkship and prosecutorial career reflect a high baseline expectation for attorney competence.
• ›Present arguments in a structured, sequential manner consistent with the logical rigor expected from his philosophy and appellate training.
• ›Cite authority precisely and accurately; do not paraphrase holdings loosely or overstate what a case holds.
• ›Do not assume familiarity with California-specific civil litigation customs based solely on his federal background — confirm local practices through direct observation or inquiry.
• ›Treat all parties and proceedings with formality consistent with federal court standards, which defined his professional environment for over a decade.