Sarah Millar


Sarah* is the firm's Discovery counsel. She practices exclusively in the area of document discovery and leads the firm's group of interdisciplinary discovery specialists. From her nearly 10 years of experience identifying, collecting, analyzing and producing client data, she knows§ how to manage evidence. As discovery can be burdensome and costly to clients, Sarah creates cost-efficient and defensible strategies to help clients meet their obligations to produce evidence in litigation. Sarah understands that discovery management requires practitioners to not only possess legal expertise, but to also to know project management principles and the technological solutions available to effectively locate, review and produce evidence. .


  • Practice Areas:

  • Bar Admissions:

    • Ontario (2003)
  • Education:

    • University of Toronto (2002) JD
    • Queen’s University (1999) BA (Honours – Political Studies)


Sarah Millar

is Discovery Counsel at Lenczner Slaght.

Sarah’s practice focuses exclusively on discovery. She also heads the firm’s group of interdisciplinary discovery specialists.  

Sarah advises clients on the discovery phase of litigation and regulatory proceedings including document preservation, the identification of relevant data in clients’ records, the sound capture or collection of data, a litigant’s discovery obligations, the use of electronic evidence in proceedings and the law of privilege. She has extensive experience in managing large-scale discovery projects in complex commercial cases and multi-jurisdictional matters. She is well versed in the use of current technology to reduce the cost and burden of discovery. Sarah also advises clients on best practices in document management and data retention to facilitate litigation preparedness.

As part of her discovery practice, she collaborates with clients and our litigators at the outset to strategically design discovery solutions that are customized to a given matter. Her mission is to ensure that discovery solutions are not only legally defensible but also cost-efficient.

Prior to joining the firm, Sarah was a partner at a leading national law firm practicing in discovery and the lead of their discovery management group.

  • Ontario E-Discovery Implementation Committee

  • Law Society of Ontario

  • Ontario Bar Association

  • Canadian Bar Association

  • E-Discovery Evolution

    Glenn Smith and Sarah Millar were quoted in the recent Canadian Lawyer Magazine article about the evolution of e-discovery. Glenn and Sarah discuss how e-discovery solutions have become more sophisticated and cheaper, allowing even small firms to reap the benefits. See below for excerpts from the article.

    Glenn Smith & Sarah Millar | April 1, 2019

  • Lenczner Slaght Welcomes Expert Discovery Counsel

    Canada’s leading litigation firm continues to strengthen its Discovery practice with the addition of Sarah Millar, recognized as one of Canada’s leading Discovery lawyers.

    Sarah Millar | January 14, 2019

  • Document Management and Discovery: Tips, Traps and Best Practice

    Sarah Millar shared expert tips on creating efficiencies in the litigation process through document management and what In-House Counsel needs to know to be prepared for this crucial part of any litigation claim.

    Sarah Millar | July 18, 2018

  • Standards may require technical competence

    Sarah Millar is quoted in the Law Times article Standards may require technological competence on December 4, 2017. This article discusses the proposed amendment to the baseline standards of professionalism for lawyers to include technological competence.

    Sarah Millar | December 4, 2017

  • Casual or Committed?

    Sarah Millar is mentioned in the Lexpert article Casual or Committed on July 30, 2017. The article discusses law firms and their increased use of outsourcing in their hunt for efficiency.

    Sarah Millar | July 30, 2017

  • Mapping out an e-discovery strategy

     Sarah Millar was interviewed for the Canadian Lawyer Magazine article Mapping out an e-discovery strategy. This article explores well-managed e-discovery strategies.

    Sarah Millar | April 24, 2017

  • Focus: To insource or outsource e-discovery

    Sarah Millar is quoted in the Law Times article Focus: To insource or outsource e-discovery on December 5, 2016. This article explores one of the biggest challenges litigators face.

    Sarah Millar | December 5, 2016

  • Bringing e-discovery in-house

    Sarah Millar is mentioned in the Canadian Lawyer InHouse article Bringing e-discovery in-house. This article explores the e-discovery process and covers tips and risks to consider when deciding whether to bring the e-discovery process in house.

    Sarah Millar | September 9, 2015

  • E-evidence: Protection is in knowing where your data resides at all times

    Sarah Millar is quoted in the CBA article E-evidence: Protection is in knowing where your data resides at all times. This article discusses the significant new factors today’s litigators face.

    Sarah Millar | August 1, 2013

  • How do Protections Apply to M&A Deal Teams?

    Sarah Millar is mentioned in the Law Times article How do Protections Apply to M&A Deal Teams? published on August 8, 2011. This article discusses the longstanding assumption that solicitor-client privilege extended to a deal team.

    Sarah Millar | August 8, 2011

  • Who’s Who Legal: Canada (2015-2018)

    E-Discovery Practitioners (Most Highly Regarded Individuals in North America)

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