Ask a Research Question
Ask our AI tool a legal research question and receive a memo with citations.
Ask Vincent AI any legal research question and it will provide answers with full citations, linked through to primary and secondary sources held on vLex’s global database of authoritative legal information. Vincent offers full transparency; lawyers can see exactly which sources it uses to arrive at an answer and verify the results for themselves.
Asking your question
To get started, select 'Ask a Research Question' from the list of workflows or type your question in the box at the top of the page.

On the left, you can see your history. If you select any of the queries with a magnifying glass, it will show you the results it showed you before. As this does not re-run the search, it does not count as a new query. You can collapse your history by clicking the icon above it.
Select the jurisdiction (including a region or state) you are interested in at the bottom of the question box. When you first enter the page, the jurisdiction will match your default search jurisdiction, if it's available from the list.

→ Supported jurisdictions for Research Workflows are currently: Chile, Colombia, the European Union, Ireland, Mexico, New Zealand, Singapore, Spain, the United Kingdom, and the United States. We will be adding more jurisdictions soon.
Brazilian, French, and Portuguese content is available on request.
Type your question into the box in normal legal language. For more information about prompting, please read the relevant article here.
When you are ready, press the blue arrow to start running your query. If Vincent feels that your question needs rephrasing or splitting into multiple questions, it will recommend these before running the query for you. You can either choose to run all questions or just select the one closest to what you're looking for.
The answer may take a minute or two to generate, as Vincent is searching all of our legal content for the best answer to your question. You can continue with your workday while you wait and Vincent will email you when the answer has been generated. You will also be able to retrieve your answer from the history on the left.

Your answer will be displayed on the left-hand side of the screen, with a full list of the authorities Vincent has cited available on the right.
Answer
Answer Layout
The answer to your question will be split into a short summary section, followed by a breakdown of the most relevant materials discussed in topic-specific heading and any exceptions and caveats related to the question. If you wish for more space to read this, you can click the 'x' button on the top right of the legal authorities to collapse that page and widen the reader view for the answer.

You can download the answer in either PDF or Word format, copy it to your clipboard or get a link to this memo by clicking the icons below the answer. You can also re-open the legal authorities by clicking the button on the right of these icons.

At the bottom, you can rate how well you feel Vincent has answered your question. This does not teach the LLM (Large Language Model) but will submit the feedback to our team, who can then review the process that Vincent used to answer your question.
Legal Authorities
On the right, you will see a full list of all the legal texts Vincent has used to create your answer. These will be split by text type. This will include texts that may no longer be in force or have been overruled as they could still be relevant to the question.
For each text, you will see the link, a summary of the passage, and a short excerpt from the text itself. You can copy any of these summaries to your clipboard by selecting the icon at the top of the text listing. If there are any relevant treatment types or if a piece of legislation is no longer in force, this will also be shown in the summary.

At the top of the page, you can either collapse the list to see just the text titles or choose to modify the texts used to answer the question.

For example, if you feel that one or two of the texts aren't relevant, simply select 'Modify list', de-select the texts you aren't interested in, and click 'Apply'. The answer on the left will then regenerate based on the new selection.
Video Tutorials
Please see the videos for relevant English speaking jurisdictions below:
United Kingdom | United States |
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