Karen Anna Barbara Ensslen

Committed to the interests of unions, associations, workers and pensioners, Karen Ensslen is a litigator with strong strategic thinking skills and a passion for resolving complex multi-party disputes.

Karen’s ability to formulate effective plans for action and deliver results meaningful to clients lies at the heart of her strength as a lawyer. Focusing on all aspects of labour and employment law, as well as on human rights and constitutional law, she advocates for clients in labour arbitration, human rights, professional discipline and other administrative proceedings, and before all levels of court in Ontario and at the Supreme Court of Canada. Karen has particular expertise representing employees and pensioners in employer insolvency proceedings.

Karen’s achievements range from a high-profile defense of the pension rights of retired steel workers imperilled by the restructuring of an insolvent employer to a successful appeal of an arbitration panel’s finding against a long-time employee whose employer failed to enrol him in a mandatory pension plan. She has played a prominent role in convincing the courts to strike down legislation imposing collective agreements on education workers, defending Occupy Toronto against eviction notices from the City of Toronto and defending employees’ privacy rights against unreasonable drug- and alcohol-testing policies before the Supreme Court of Canada. Karen brings passion, intelligence and determination to her client’s problems, whatever the task.

Karen has published on issues such as disability accommodation, privacy rights, drug-testing limits and sex education curricula in a variety of places including the Education Law Journal , Education Forum and the Ontario Bar Association. In law school, she was co-editor-in-chief of the Journal of Law and Equality . She has been a program chair, moderator and featured speaker for the Ontario Bar Association (OBA), the Canadian Association of Labour Lawyers (CALL), and Lancaster House.