Case Studies

Keyword Consulting

H5’s Defensible Keyword Reduction Saves Client $230K

A pharmaceutical manufacturer facing responsive review in a branded versus generic patent litigation engaged H5 to create a keyword list that would defensibly reduce the amount of collected documents requiring contractor review.

  • H5’s recommended keywords reduced the data collection from 332,296 documents to 43,981 documents, an 87% reduction.
  • Client avoided an estimated $230,350 in contractor review (inclusive of H5 fee of $90,000).
  • H5 provided detailed defensibility report to client, allowing it to validate approach if subsequently required.

H5’s Keyword Recommendations Approved by Court

A large publisher facing a class-action employment litigation sought expert assistance to improve the performance of a suggested keyword list.

  • H5 assessed the suggested keywords for over and under inclusiveness and developed an enhanced keyword list, delivering the final list for client implementation.
  • In a population of 485,000 documents, the H5-enhanced keywords reduced this number to 210,000 documents, a reduction of 56%.
  • H5 provided a detailed defensibility report, documenting H5’s methodology and findings.
  • Further, H5 provided expert testimony regarding its process, resulting in a published court order approving H5’s approach.

H5’s Defensible Improvement of Keyword List Saves Client $205K+

A telecom client facing responsive review in a complex multi-party patent litigation sought expert assistance in improving its keyword list.

  • H5 assessed client’s keywords for over and under inclusiveness and created, tested and delivered a roadmap for improvement.
  • In a population of 972,681 documents, client’s keyword list captured 369,791 documents, or 38% of the population.
  • H5’s improvements reduced this number to 141,264 documents, a reduction of 62%.
  • Client avoided an estimated $205,550 in contractor review (inclusive of H5 fee of $50,000).
  • H5 provided detailed defensibility report to client, allowing it to validate approach if subsequently required.

H5 Helps Counsel Challenge Opposing Party’s Keyword List

A finance client in a multi-party ERISA litigation sought expert assistance to improve a suggested keyword list provided by an opposing party.

  • H5 assessed the opposing party’s suggested keywords for over inclusiveness and created, tested and delivered a roadmap for improvement.
  • In a sample of 64,868 documents, the opposing party’s suggested keywords captured 59,467 documents, or 92% of the entire population.
  • H5’s improvements reduced this number to 32,811 documents, a reduction of 45% of false positives.
  • H5 supported the client throughout its keyword negotiation with the opposing party, resulting in utilization of H5’s improved keywords.