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AI Data Auction

Legal training data

Legal training data is a collection of statutes, case law, contracts and lawyer-written analysis used to train and evaluate legal AI.

Last reviewed

What legal training data contains

  • Case law and statutes
  • Contract clause sets
  • Lawyer-written memos and redlines
  • Evaluation rubrics

Who buys it and how it is priced

Legal training data: buyers and pricing
AttributeValue
Belongs toprofessional-domain training data
Main buyersLegal-tech companies and labs improving professional reasoning
PricingPublic-law corpora are cheap or free. Lawyer-created work product is priced at expert hourly rates.

Quality criteria and risks

Quality criteria

  • Jurisdiction coverage
  • Currency of law
  • Attorney review
  • Client confidentiality controls

Risks

  • Client privilege
  • Outdated law
  • Licensed database restrictions

Providers that list legal training data

Auction and pricing mechanisms that fit

  • Posted-price sale: Fits catalogue datasets that can be sold many times, such as cloud data exchange listings.
  • Reverse auction: Fits a buyer that knows what it needs and wants several vendors to compete, such as sourcing expert data from labs.

Key terms

expert demonstration
An expert demonstration is a recording of a skilled professional performing a task step by step, used to teach a model the process.
data licensing
Data licensing is the grant of rights to use a dataset for stated purposes, in return for payment or other terms.
rubric
A rubric is a written set of criteria that tells reviewers how to score or compare a model output.

Frequently asked questions

Who owns lawyer-written training data?
It depends on the contract and on client confidentiality. Treat ownership and privilege as questions for the engagement terms, not assumptions.