Judge Ruben Sundeen: Professional Background and Legal Expertise

Biography

Overview

The Hon. Ruben Sundeen is a judge for the Alameda County Superior Court in California[1]. Sundeen was appointed to the bench by Governor Gavin Newsom on October 7, 2022, filling the vacancy created by the elevation of the Hon. Victor Rodriguez to the Court of Appeal[2].

Before his appointment as a judge, Sundeen served as a commissioner for the Alameda County Superior Court from 2019 to 2022[3]. As a commissioner, he was assigned to the probate department, where he conducted hearings and trials involving trusts, estates, guardianships, and conservatorships[3].

Educational background

Sundeen earned a B.A. in philosophy from the University of California, Berkeley, in 1988. Before attending law school, he worked as an environmental assessor for Raney Geotechnical. At the University of California, Berkeley, School of Law, he completed a J.D. in 1996.

Career history

After law school, Sundeen began his legal career as an associate at Stuckey Law Corporation (1996 to 1998)[3]. In 1998, he entered private practice as a managing partner at Sundeen & Salinas (1998 to 2004), where his work included business law, estate planning, probate, trust and estate litigation, and real estate and commercial transactions and litigation[3]. Following that role, he continued as a managing partner at Sundeen Salinas Rommel & Pyle (2004 to 2005)[3]. He then joined Sundeen, Salinas & Pyle (2005 to 2017), where he continued a civil practice[3]. In 2017, he returned to Sundeen & Salinas (2017 to 2019) as a managing partner[3].

His professional memberships have included the Alameda County Bar Association and the East Bay La Raza Lawyers Association.

Personal life

Outside the courtroom, Sundeen's community involvement has included the Rotary Club of Oakland Sunrise.

Sundeen is registered as a Democrat[1].

References

[1] Ballotpedia — Ruben Sundeen
[2] Governor of California Press Release (October 7, 2022)
[3] Daily Journal — Profile of Ruben Sundeen

Recent Rulings by Hon. Ruben Sundeen

  • Jul 30, 2021 Alameda County

    This Tentative Ruling is made by Commissioner Ruben Sundeen Petitioner Tina Flores' Motion for Disqualification of John Knowlton as Counsel for Respondent Judy Grogan is DENIED. The court finds petitioner is not the personal representative of decedent and does not hold decedent's privilege. See Evidence Co...

  • Load More

Recent Cases by Hon. Ruben Sundeen

On October 29, 2026 a civil unlimited (wrongful termination) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 29, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Wrongful Termination)

Practice Area

Labor and Employment

Matter Type

Wrongful Termination

Case Last Refreshed

Oct 29, 2026

On October 28, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 28, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 28, 2026

On October 28, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 28, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 28, 2026

On October 28, 2026 a civil limited (insurance coverage (not complex)) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 28, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Limited (Insurance Coverage (not complex))

Practice Area

Insurance

Matter Type

Insurance Coverage

Case Last Refreshed

Oct 29, 2026

On October 27, 2026 a civil unlimited (wrongful termination) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 27, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Wrongful Termination)

Practice Area

Labor and Employment

Matter Type

Wrongful Termination

Case Last Refreshed

Oct 28, 2026

On October 27, 2026 a civil limited (declaratory relief only) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 27, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Limited (Declaratory Relief Only)

Practice Area

Civil

Matter Type

Declaratory Action

Case Last Refreshed

Oct 28, 2026

On October 27, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 27, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 27, 2026

On October 27, 2026 a civil unlimited (civil rights/discrimination) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 27, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Civil Rights/Discrimination)

Practice Area

Torts

Matter Type

Intentional Torts

Case Last Refreshed

Oct 27, 2026

On October 26, 2026 a civil unlimited (wrongful termination) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 26, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Wrongful Termination)

Practice Area

Labor and Employment

Matter Type

Wrongful Termination

Case Last Refreshed

Oct 27, 2026

On October 23, 2026 a civil unlimited (wrongful termination) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 23, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Wrongful Termination)

Practice Area

Labor and Employment

Matter Type

Wrongful Termination

Case Last Refreshed

Oct 26, 2026

On October 22, 2026 a civil unlimited (other employment complaint case) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 22, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Other Employment Complaint Case)

Practice Area

Labor and Employment

Matter Type

General Employment

Case Last Refreshed

Oct 26, 2026

On October 22, 2026 a civil unlimited (other personal injury/propert...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 22, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Other Personal Injury/Propert...)

Practice Area

Torts

Matter Type

Personal Injury

Case Last Refreshed

Oct 26, 2026

On October 22, 2026 a civil unlimited (other personal injury/propert...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 22, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Other Personal Injury/Propert...)

Practice Area

Torts

Matter Type

Personal Injury

Case Last Refreshed

Oct 26, 2026

On October 21, 2026 a civil unlimited (other breach of contract/warr...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 21, 2026

Status

Consolidation

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Other Breach of Contract/Warr...)

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Oct 26, 2026

On October 19, 2026 a civil unlimited (contract/warranty breach - se...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 19, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Contract/Warranty Breach - Se...)

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Oct 20, 2026

On October 19, 2026 a civil limited (other personal injury/propert...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 19, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Limited (Other Personal Injury/Propert...)

Practice Area

Torts

Matter Type

Personal Injury

Case Last Refreshed

Oct 19, 2026

On October 19, 2026 a civil unlimited (contract/warranty breach - se...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 19, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Contract/Warranty Breach - Se...)

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Oct 20, 2026

On October 16, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 16, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 19, 2026

On October 14, 2026 a civil unlimited (wrongful eviction case) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 14, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Wrongful Eviction Case)

Practice Area

Property

Matter Type

Unlawful Detainer

Case Last Refreshed

Oct 15, 2026

On October 13, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 13, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 13, 2026

On October 13, 2026 a civil limited (contract/warranty breach - se...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 13, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Limited (Contract/Warranty Breach - Se...)

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Oct 13, 2026

On October 13, 2026 a civil unlimited (contract/warranty breach - se...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 13, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Contract/Warranty Breach - Se...)

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Oct 14, 2026

On October 13, 2026 a civil unlimited (other real property (not emin...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 13, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Other Real Property (not emin...)

Practice Area

Property

Matter Type

General Property

Case Last Refreshed

Oct 13, 2026

On October 12, 2026 a civil unlimited (motor vehicle - personal inju...) case was filed in the jurisdiction of Alameda County. Judge Ruben Sundeen presiding.

Filed

Oct 12, 2026

Judge

Hon. Ruben Sundeen Trellis Spinner 👉 Discover key insights by exploring more analytics for Ruben Sundeen

Court

Alameda County

County

Alameda County, CA

Court Category

Civil Unlimited (Motor Vehicle - Personal Inju...)

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Oct 13, 2026