John B. Koss

Special Counsel, E-Discovery vCard


  • Boston University School of Law (JD)
  • Northwestern University (MS, Journalism)
  • Northwestern University (BA)

Bar Admissions

  • Massachusetts
  • New York
  • United States Court of Appeals for the First Circuit
  • United States District Court for the District of Massachusetts


  • Spanish

John’s practice focuses exclusively on counseling clients on e-discovery and large data matters including commercial litigation, investigations, and governmental inquiries. Specifically, John relies on his extensive experience both in practice and discovery project management to help clients:

  • develop and implement processes for preserving, collecting, and processing electronic data;
  • prepare defensible discovery plans addressing production of electronically stored information;
  • implement best-in-class early case assessment tools to significantly reduce data volumes to be collected and hosted;
  • advise on the use of technology-assisted review approaches to prioritize and automate document review; and
  • utilize innovative workforce arrangements to maximize efficiency and litigation cost savings.

Prior to rejoining the firm in 2016, John led the Boston office of one of the nation’s leading legal services firms, where he worked with in-house legal departments and law firms to create effective and economical legal solutions – incorporating flexible staffing, reliable workflows, and technology – in a wide variety of practice areas including litigation, compliance, employment, corporate transactions, and contracts management.

During his initial tenure at Mintz Levin, John was a founding member of the firm’s Electronic Discovery Practice Group. He was also an active member of the firm’s Product Liability and Complex Tort Litigation Practice Group. John maintained a diverse litigation and counseling practice with a particular focus on serving as national trial, strategy, and discovery counsel for pharmaceutical clients involved in serial litigation. In this role, he also advised on information governance and the coordination of companywide and multinational discovery efforts.

John also teaches legal writing at Suffolk University, and taught for six years as a member of the faculty at Boston University School of Law’s First-Year Research and Writing Program.

Recognitions & Awards

  • Massachusetts Super Lawyers: Rising Star
  • Massachusetts Lawyers Weekly and Massachusetts Bar Association: Up and Coming Lawyer
  • National LGBT Bar Association. Best LGBT Lawyers Under 40

Professional & Community Involvement

  • Board of Directors, Fenway Health 
  • Board of Directors, AIDS Action Committee 

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