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When Scale Meets Defensibility: How Array Leveraged AI-Powered Review for Complex Litigation

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The Challenge:

A top-tier Canadian litigation boutique firm needed a scalable, defensible review approach for a complex class action involving 4.9M+ collected documents across 20 custodians and a 750K+ document review population.

CHALLENGE

Complex class action with 4.9M+ collected documents, a 750K+ document review population, and a tight deadline. 

SOLUTION

Combined advanced GenAI (Relativity aiR), expert lawyer oversight, and validated defensibility.

OUTCOME

Delivered under budget with validated, defensible results.

 

 

The Solution:

By combining senior review lawyer expertise with a custom review workflow incorporating Relativity aiR (GenAI-based review tool), Array delivered scalable review efficiencies while maintaining quality, defensibility, and transparency. 

 

  • AI-Assisted Review Workflow: Array combined Relativity aiR with senior review lawyer expertise, prompt refinement, and targeted quality control to accelerate and improve review outcomes. 

 

  • Large-Scale Review Optimization: Advanced analytics and workflow optimization streamlined and managed a review population exceeding 750,000 documents. 

 

  • Validated, Defensible Outcomes: Results were validated through statistical sampling, senior lawyer review, and post-aiR quality control to ensure defensible outcomes. 

 

 

 

 

The Results:

  • Applied Relativity aiR and advanced analytics to efficiently manage a 750K+ document review population at scale

 

  • Achieved 99.5% recall through a defensible validation framework and targeted quality control

 

  • Improved AI classification performance through prompt refinement, expert oversight, and statistical sampling

 

  • Maintained a 1.1% elusion rate, demonstrating exceptionally low rates of potentially missed relevant documents

 

  • Delivered the primary review workflow under budget while maintaining quality and transparency throughout the matter

 

 
750K+
Documents Reviewed
99.5%
Recall
1.1%
Elusion Rate

 

 

Expertise Meets Action

Array, a Relativity Gold Partner, has long been at the forefront of innovation within the Relativity ecosystem. With a team of over 57 RelativityOne-certified professionals holding more than 113 certifications, we bring deep expertise to every engagement. As an early adopter of Relativity aiR, our team has built custom generative AI workflows to reduce friction and deliver better outcomes for clients.

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