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Judge Regina S. Cahan
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Judge Regina S. Cahan (Ret.)

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Upcoming Events
General Biography
Practice Areas
Business Commercial
Employment Law
Family Law
Personal Injury
Professional Liability
Honors, Memberships, and Professional Activities
Background and Education

Judge Regina S. Cahan (Ret.) joins JAMS following a distinguished and varied legal career, including 14 years on the King County Superior Court bench, 10 years as an employment litigator and 10 years as a criminal prosecutor.

As a jurist, Judge Cahan presided over numerous employment, medical malpractice, personal injury, commercial, dependency and family law trials. Recognized by both the legal community and her peers, Judge Cahan was chosen to chair the King County Commercially Sexually Exploited Children Task Force and the court’s Personnel Committee, and was elected to the court’s Executive Committee. She also served as chief civil judge for two years (2020–2021) and helped steer the court through the unprecedented challenges of the COVID-19 pandemic. The court lead the nation and remained uniquely productive by pioneering the transition to remote civil bench and jury trials.

Committed early to seeking justice and conflict resolution, Judge Cahan earned both a J.D. and a Master of Social Work. Approachable, warm and caring, Judge Cahan listens with compassion and empathy, and is ideally suited to guide parties toward a fair resolution of their legal disputes. She has a reputation for staying on task, being practical and treating all parties kindly and respectfully.

ADR Experience and Qualifications

  • Successfully mediated many cases at JAMS including employment, public accommodation, professional liability, commercial, real property, and breach of contract.
  • Conducted numerous settlement conferences over 14 years while serving as a King County Superior Court judge.
  • Presided over a wide variety of civil (employment, professional liability, personal injury, commercial) and family law trials.
  • Significant litigation and trial experience as a practitioner, in both the criminal and civil arenas.

Judge Cahan handled matters in the following areas during her time on the bench:

Representative Matters

  • Business Commercial
      • Complex intellectual property dispute concerning rights of minority shareholder in closely held corporation; claims included breach of contract, conversion, negligent misrepresentation, unjust enrichment, conspiracy and violations of the Washington State Security Act and Uniform Voidable Transfers Act
      • Trial on petition for value determination of investment property (pursuant to RCW 25.10. 881) with counterclaims alleging breach of fiduciary duty in merger and fair value process
      • Allegations of breach of fiduciary duties of loyalty and care, fraud and negligent misrepresentation brought by partner against general partner and involving significant motion practice
      • Multiple contract interpretation, breach of contract and unjust enrichment cases
      • Multiple business dissolution/valuation cases
      • Case regarding land survey on a large public works project, breach of contract, damages and offset
      • Two-week bench trial concerning the EB-5 immigrant investor program
      • Allegations of breach of contract, promissory estoppel and violation of the Consumer Protection Act case regarding airline mileage program; The appellate court upheld Judge Cahan’s ruling that the Airline Deregulation Act preempted the plaintiff’s claims (Bergman v. Alaska Airlines, Case No.: 89704-8-I)
      • Multiple bench trials regarding division of estate between siblings
      • Presided over trial involving complex estate with multiple properties, lost deeds and alleged fraud
  • Employment Law
      • Presided over numerous employment trials including claims of wrongful termination, failure to promote, disparate treatment, hostile work environment, retaliation, termination in violation of public policy and failure to accommodate.
      • Presided over class action wage and hour trial brought by auto sales employee alleging a failure to fairly calculate and pay their owed wages/commissions.
      • Case alleging wrongful discharge of union representative/attorney hinging on whether the representative was an independent contractor or union employee; appellate court upheld Judge Cahan’s determination that the representative was an independent contractor subject to termination by RPC 1.16, therefore precluding his breach of contract and wrongful termination claims (Karstetter v. King County Corrections Guild, et al., Case No.: 83426-6-1 (Aug. 29, 2022))
      • Presided over lengthy trial brought by a software engineer against his former employer raising numerous claims, most significantly breach of employment agreement and intellectual property ownership; employer countersued for breaching same agreement and for trademark infringement under the Lanham Act (Khalid v. Citrix Sys., Inc., Case No.: 79143-5-1)
      • Nonprofit for the hearing impaired sued multiple theaters seeking a listening accommodation devise; appellate court affirmed Judge Cahan’s ruling that movie theaters were places of “public accommodation” under RCW 49.60 and required to accommodate hearing impaired patrons (Washington State Communications Access Project v. Regal Cinemas, Case No.: 67613-0-1)
      • Employee claimed disability discrimination and failure to engage in the interactive process to determine a reasonable accommodation; appellate court affirmed Judge Cahan’s ruling and dismissal of the case (Gibson v. Costco, Case No: 80976-8-1)
      • Pursuant to RCW 34.05 and based upon equitable estoppel, Judge Cahan reviewed and reversed a decision of the Washington State Retirement System, which had denied pension benefits to a long-term employee, a retired police chief; appellate court affirmed Judge Cahan’s ruling (Brian Wilson v. Washington State Dept of Retirement Systems, Case No.: 79876-7-I)
      • Students sued a local school district and state sports association alleging that the defendants’ investigation into possible athletic rule violations was negligent and discriminatory; after extensive motion practice, ruling on all claims, Judge Cahan dismissed the case; appellate court affirmed (Antonio Hill, et al. v. WIIA and Bellevue School Dist., Case No.: 80233-0-I)
      • Extensive motion practice regarding suit brought by a local labor union against the Freedom Foundation, self-identified as ideologically opposed to the union’s goals, for declaratory and injunctive relief, claiming tortious interference with contractual relationships between the union and its members
      • Class action alleging that insurer improperly calculated long-term disability benefits for public employees
  • Family Law
      • Assigned to Unified Family Court for two years and handled family law cases exclusively; subsequently continued to preside over family law cases as part of regular civil caseload
      • Handled numerous child custody, child support, visitation, spousal maintenance, property division and allocation of debts and assets cases
      • Determined asset characterization and valuation involving multimillion-dollar estates including real and personal property, stock options, public and private retirement benefits, and business and professional practice valuation
      • Presided over numerous cases concerning parenting plans with allegations of domestic violence, substance abuse and/or mental health issues
      • Substantial experience with domestic violence issues in both the civil and criminal areas
      • Presided over many family law cases involving relocation, nonparental custody and application of the Uniform Child Custody Jurisdiction Act
  • Insurance
      • Handled a variety of insurance bad faith, Insurance Fair Conduct Act, Consumer Protection Act, breach of contract and scope of coverage matters
      • Presided over bench trial on insurance coverage/breach of contract case regarding water damage, faulty construction, proximate cause and the duty of good faith and fair dealing
  • Personal Injury
      • Multiple cases against religious organizations for allegations of child sexual abuse.
      • Premises liability cases involving slips and falls, occurring typically at local retailers.
      • Railroad personal injury cases; for example, a claim regarding allegedly a defective train handrail.
      • Multiple cases involving serious injury/wrongful death at construction sites.
      • Allegations of design flaw, negligent construction, negligent maintenance and failure to warn for serious injuries sustained at ski terrain park.
      • Allegations of product liability, negligence and breach of contract action brought by patient injured when surgical table abruptly fell during surgery.
      • Presided over multiple asbestos mesothelioma wrongful death cases from primary and/or secondary exposure, often spanning decades and involving multiple employers and work sites.
      • Wrongful death case brought by estate of an experienced professional roofer who died after tripping and falling through a skylight; appellate court upheld Judge Cahan’s ruling that the property possessor did not violate a duty of reasonable care by delegating responsibility to the roofer, an independent contractor who had proper experience (Eyelander v. Prologis Targeted, Case No.: 82834-7-I (July 18, 2022).
      • Alleged gross negligence claim against local hospital and emergency service for releasing mentally ill patient who subsequently set fire to the family home, killing a relative; appellate court upheld judge Cahan’s summary judgement dismissal (Michael Konicke v. Evergreen Emergency Services, Case No.: 80463-4-1)
  • Professional Liability
      • Wrongful death trial alleging medical negligence and failure to obtain informed consent for complications after breast reduction surgery
      • Medical negligence trial concerning complications following eye surgery
      • Medical negligence trial regarding alleged failure to diagnose during emergency treatment; Washington Supreme Court upheld Judge Cahan’s ruling that the plaintiff could not also sue for alleged failure to obtain informed consent claim for the undiagnosed condition (Davies v. Multicare Health System, et al., Case No.: 100079-1, June 2, 2022)
      • Medical malpractice and medical battery trial involving a hysterectomy; allegations included claims that the physician violated the standard of care by ignoring the patient’s instructions and by failing to consider an alternative diagnosis
      • Professional negligence and malpractice claims alleging failure to provide reasonable care and treatment, as well as deviations from the standard of care by unprofessional conduct
      • Bench trial involving legal malpractice, violations of Rules of Professional Conduct, disgorgement and attorneys’ fees
  • Real Property/Environmental Law
      • Multiple real estate cases alleging a breach of the purchase and sales agreement, fraudulent concealment and failure to disclose on Form 17
      • Bench trial concerning extensive water leakage in a home after purchase; alleged fraudulent concealment, fraud in inducement and negligent misrepresentation
      • Presided over multiple cases concerning the Washington Condominium Act; alleged breach of warranty of habitability and breach of contract
      • Multiple cases involving water damage to real property with primary issues being knowledge, notice, causation and extent of damage
      • Numerous eminent domain/real property valuation cases in which governmental agencies sought to acquire private property for transit projects
      • Multiple real estate boundary disputes involving quiet title, adverse possession, easements, restrictive covenants, fence lines and conflicting survey results/historical records
      • Disputes between banks, brokers and property owners in cases of lost deeds or obvious errors in old deeds
      • Cases regarding requests to partition property, valuation, tenancy, ownership, evictions and ouster
      • Significant and complex trial for water and land pollution caused by local mint in violation of the Model Toxics Control Act

Honors, Memberships, and Professional Activities

Current activities:
  • Member, Regional Board of the Anti-Defamation League, 2023
  • Co-chair of the King County Commercially Sexually Exploited Children (CSEC) Task Force
  • KCBA, Labor and Employment Section
  • New Uniform Family Law Arbitration Act Training, Washington State Bar Association, October 2023
Activities while serving as a King County Superior Court Judge:
  • King County Superior Court Executive Committee
  • Chair, King County Superior Court Personnel Committee
  • King County Superior Court ADR Committee
  • Chair, King County Commercially Sexually Exploited Children (CSEC) Task Force
Professional Activities before joining the bench:
  • Planning Committee, Pacific Coast Labor and Employment Law Conference
  • Member, KCBA Labor and Employment Section
  • Trustee, KCBA Labor and Employment Section
  • Member, Civil Rights Section, Anti-Defamation League (ADL)
  • Chair, Legal Committee, Legal Voice (Formerly Northwest Women’s Law Center)
  • Member, Legal Committee, Legal Voice (Formerly Northwest Women’s Law Center)
  • Chair, Hiring Committee KCPAO
  • Member, Seattle Women’s Commission, 1996–1998

Background and Education

Judge (Elected), King County Superior Court, 2008–2022
  • Chief Civil Judge, 2020–2021
  • Executive Committee, 2020–2021
  • Chair, Personnel Committee, 2012–2021
  • Chair, King County Commercially Sexually Exploited Children Task Force, 2019–2022
King County Prosecuting Attorney’s Office, 1989–2008
  • Senior Deputy Prosecuting Attorney, Civil Division – Labor and Employment Section, 1999–2008 (Position included defending county departments in a wide range of employment litigation and included substantial advising)
  • Senior Deputy Prosecuting Attorney, Criminal Division, 1989–1999 (Specialized in homicide and sex crime—both adult and child victims—prosecution; position included appellate advocacy before the Washington Supreme Court and Court of Appeals)
Associate; Julian, Olson & Lasker, SC; Madison, WI; 1988–1989
  • Represented plaintiffs with federal and state civil rights, employment and tort claims
  • Presented sexual harassment prevention training to employers
J.D. and Master of Social Work, University of Wisconsin, 1988
  • Member, University of Wisconsin Law Review
  • Author, “Home Is No Haven: An Analysis of Sexual Harassment in Housing,” University of Wisconsin Law Review, No. 6, 1987
  • Note and Comment Editor, Wisconsin Women’s Law Journal
  • Law School Dean’s List
  • Wisconsin Public Interest Award, 1988
  • Legal Writing Instructor, University of Wisconsin Law School, 1985–1987
Social Work and Counseling Experience
  • Sexual Assault Centre, Royal Price Alfred Hospital, Sydney, Australia Co-led incest survivor and sexual assault counseling groups and provided individual counseling
  • Rape Crisis Center, Madison Wisconsin Counseled victims immediately following sexual assaults, co-led adult survivors of incest groups and conducted public and private workshops
  • Domestic Violence Shelter, Ashdod, Israel
  • Women’s Place (Battered Women’s Shelter), Urbana, IL


This page is for general information purposes.  JAMS makes no representations or warranties regarding its accuracy or completeness.  Interested persons should conduct their own research regarding information on this website before deciding to use JAMS, including investigation and research of JAMS neutrals. See More

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