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Practice & Matter Management · Legal Research & Search · Case Law & Legal Data · Legal AI & NLP

taxonomyMaintained

noslegal/taxonomy

noslegal taxonomy facets and release notes

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Practice & Matter ManagementLegal Research & SearchCase Law & Legal DataLegal AI & NLP
From the maintainer

Open-source taxonomy developed in stages since 2021 designed to support three types of organisation with knowledge, financial, resourcing and other needs:

  1. Legal services providers.

  2. In-house legal

  3. Legal technology companies

There are 8 facets of the taxonomy

  1. Work type

  2. Area of law

  3. Participants

  4. Roles

  5. Sectors

  6. Places

  7. Process elements

  8. Information types

taxonomy

This repository contains the v4 (May 2026) versions of (1) all eight facets of the noslegal taxonomy in Excel and (2) the taxonomy guide in Markdown, Word and PDF.

There are three Excel files. One contains facets 1 - 5 and 8 (work types, areas of law, participants, roles, sectors and information assets). The second contains facet 6 (places) and the third contains facet 7 (process elements). The taxonomy is intended for classifying legal work and related things (e.g. documents and experience).

It is intended for use by legal services providers, legal departments and legal technology companies.

We suggest you read the guide first.

Previous versions of the taxonomy are available in the Taxonomy Version Archive folder.

29 May 2026