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Kate Costin listen


Kate* is an associate at Lenczner Slaght. Kate has experience managing complex commercial, construction and real property matters, while gaining a reputation as a litigator who advocates with§ tenacity and grace. With undergraduate degrees in theatre and fashion, Kate still has the ability to apply her love of style in and out of the courtroom. She uses the skills she gained as a costume designer for film and television in New York City to advocate fiercely and passionately for her clients. .



Kate Costin (she/her)

is an associate at Lenczner Slaght.

Kate’s practice encompasses complex commercial litigation, employment disputes, construction and infrastructure matters, and regulatory proceedings, acting for both prosecution and defence.

Kate has appeared before all levels of court in Ontario, the Alberta Court of King’s Bench, the Saskatchewan Court of King’s Bench, the Saskatchewan Court of Appeal and various administrative tribunals including the Consent and Capacity Board and Human Rights Tribunal. 

Prior to attending law school Kate worked on and off Broadway in costume and prop design, and in the costume department for NBC, HBO and F/X Network television and film productions.

  • Ontario Bar Association

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