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LawVM, a compiler for replaying amendment acts into point

in-time law

LawVM, a compiler for replaying amendment acts into point screenshot

What is LawVM, a compiler for replaying amendment acts into point?

LawVM is a compiler that converts written amendment acts into executable legal code. It takes ordinary legislation text and transforms it into a state representation that can be replayed, modified, and analysed. The tool treats law as something that can be compiled and executed, similar to how software code works. The Finland implementation serves as the first working example of this approach, demonstrating that statutory law can be captured in machine-readable form. This allows legal professionals and technologists to trace how amendments affect legislation over time, test different legislative scenarios, and maintain a precise record of legal changes.

Key features

Amendment compilation

converts written legislative text into executable legal state

Statutory replay

shows how amendments affect legislation across different points in time

Legal state machine

represents law as computable, modifiable text-state rather than static documents

Finland frontend

functional implementation demonstrating the concept with Finnish legislation

Version control for law

tracks how legal text changes through successive amendments

Pros & cons

Advantages

  • Provides a precise, machine-readable record of how legislation changes over time
  • Allows testing of legislative scenarios before implementation
  • Makes legal interpretation more transparent by showing exact state changes from amendments
  • Free tier available for exploration and smaller projects

Limitations

  • Early-stage project with limited real-world implementation beyond Finland pilot
  • Requires learning new approach to understanding law as compilable code
  • May require significant effort to migrate existing legal databases into the system

Use cases

Legal researchers tracking how specific legislation has evolved through amendments

Government bodies managing and documenting statutory changes

Compliance teams verifying how regulatory changes affect their obligations

Law firms analysing legislative impact on client situations at different time periods

Policy makers testing proposed amendments against existing law structure

Ready to try LawVM, a compiler for replaying amendment acts into point?

Pricing

Free

Free

Access to core compilation and replay functionality, Finland statutory data, community support

Premium

Contact for pricing

Likely includes additional jurisdictions, priority support, custom legislative compilations, API access

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