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Katherine S. Catlos focuses her practice in the areas of employment law, directors & officers claims and privacy. She regularly represents employers before the Equal Employment Opportunity Commission, California Department of Fair Employment and Housing, California Labor Commissioner, United States Department of Labor, U.S. Department of Justice, National Labor Relations Board, and various courts, on all areas of employment law. Ms. Catlos focuses much of her practice on Equal Pay Act claims, advising and assisting with audits to comply with Equal Pay Act laws and regulations, class actions and collective Private Attorneys General Act (PAGA) actions, and Occupational Safety and Health Administration based PAGA claims. Her practice has also included claims in the context of education and housing, and the Migrant and Seasonal Agricultural Worker Protection Act.

Ms. Catlos is a Certified Information Privacy Professional/US and a member of the firm’s Data Privacy and Cybersecurity Group. She is currently representing clients and addressing implication and compliance with the California Consumer Privacy Act (CCPA).

Ms. Catlos also handles D&O claims brought against Board of Directors of a variety of organizations, including businesses, homeowner associations, private clubs, and social groups. In so doing, she has successfully defeated numerous cases via anti-SLAPP motions, motions for summary judgment, motions to dismiss, and successful appeals. Finally, she defends Title III ADA Access claims, including both web access and structural access claims.

A published author, Ms. Catlos writes for such publications as the International Risk Management Institute’s Employment Practices Liability Journal, the Defense Research Institute’s newsletter, the American Bar Association Tort & Insurance Practice Section Employer-Employee Relations Committee Newsletter, San Francisco Attorney Magazine and The Daily Journal. She also frequently speaks to human resource directors and various employer groups regarding employment law and privacy issues.



  • California
  • U.S. District Court
    • Eastern District of California
    • Northern District of California
    • Southern District of California
    • Central District of California


  • University of San Francisco – J.D.
    • Public Interest Scholar
  • University of California, Berkeley – B.A.

Professional Memberships

  • IAPP Publications Advisory Board – Member (2020)
  • IAPP Certified Information Privacy Manager (CIPM)
  • Certified Information Privacy Professional / US (CIPP/US)
  • The Edward J. McFetridge American Inn of Court
  • The Earl Warren American Inn of Court
  • Professional Liability Underwriting Society (PLUS) Northern California Chapter, Previous Chair of the 2015 Steering Committee
  • Italian American Bar Association of Northern California
  • Tenderloin Neighborhood Development Corporation, Advisor and Former Board Member
Super Lawyers Martindale Hubbel AV Preeminent Law 360