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Westlaw (Australia) Guide - How to find cases on a point of law using the Key Number System

Last Published: January 14, 2020

The West Key Number System identifies and indexes legal concepts so you can find cases stating or applying a legal concept.

Browse the West Key Number System

  1. Access the West Key Number System by clicking Key Numbers on the homepage.
  1. Select a key number to browse and locate cases on a relevant topic, e.g., 28 Employment Law.

  1. A list of sub-topics and their key numbers will be displayed.
    Click a key number to view relevant cases on that topic, e.g., Remuneration > When payable.
  1. Click the case title to view the judgment.

Search the West Key Number System

Use the title search bar to search for classifications relevant to your issue.

  1. Enter your search term into the Title Search bar and click Search, e.g., discrimination.
  1. A list of the relevant topics and key numbers will be displayed.
  1. Select the tick boxes next to the key numbers relevant to your research issue.
  2. Click View Cases.
  1. The cases relevant to the selected key numbers will be displayed.
  2. The number to the right of the key classification shows how many cases are listed.
  3. To narrow your results, you can filter by key number, jurisdiction, or date.
  1. Use the plus (+) symbols to expand and select the required jurisdiction.
  2. Select from the last 6 months, 12 months, 3 years, or enter a specific date or date range.

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