Katharine T. Van Dusen


Katharine Van Dusen is an experienced litigator who focuses on complex business and commercial disputes in state and federal courts. She has represented individuals and businesses in a range of matters, including consumer class actions, business torts, real estate disputes, and contract and partnership disputes. Katharine’s practice includes case investigation, discovery, settlement negotiations, bench and jury trials, and appeals.  She has also represented pro bono clients in immigration proceedings, unlawful detainer actions, and debt collection cases. Prior to joining the firm, she clerked for the Honorable Vaughn R. Walker of the United States District Court for the Northern District of California. 

Notable Representations

  • Second-chaired a bench trial representing the former CEO of a major construction firm in a partnership dispute and obtained a multi-million-dollar verdict.
  • In a privacy action against a video satellite broadcaster, obtained dismissal of all claims for damages.
  • Defeated motion for class certification in a consumer class action against a cable provider in a case alleging inadequate disclosure of cable equipment charges.
  • In a class action against a video satellite broadcaster related to an interruption in services, obtained a favorable defense verdict in a federal jury trial.

Professional Activities

Katharine is a member of the State Bars of California and Illinois. She is also a member of the Bar Association of San Francisco and the Edward J. McFetridge American Inn of Court.


Katharine received her B.A. with high distinction in political science and German from the University of Michigan. She earned her law degree cum laude from Northwestern University School of Law, where she was an editor of the Northwestern University Law Review. While in law school, Katharine served as a judicial extern for the Honorable Mark R. Filip of the United States District Court for the Northern District of Illinois.

Case Studies


Coblentz represented the Fairmont Hotel chain in a variety of matters concerning its western properties, including labor negotiations, employment disputes and litigation, commercial litigation, leasing, ADA access issues, land use issues, and vendor contracts.