2026-03-26
Why transform the way we work?

Our Purpose

Clarity, straight to the point, no legal jargon. Deep understanding of the law. Rigour and precision. Practical and commercial oriented solutions. These are our purposes.

Why Use AI

Artificial Intelligence (AI) and automation will be (are) key tools to ensure that we fulfil our purposes.

AI can help us to deliver greater value, more efficiently and to a higher standard, while also improving both our individual skills and the overall capabilities of the firm.

Macedo Vitorino & Key Terms

MACEDO VITORINO

Brings legal knowledge, experience in working across multiple jurisdictions, and the understanding of lawyers and business clients’ needs and expectations.

KEY TERMS

Reviews and benchmarks all LLMs available in the market against the requirements of legal users.

Multi-model solution.

Programming models to suit legal users’ needs by setting parameters and guardrails.

Continuous improvement of its solutions.

The best model for each task

ChatGPT

Reliable, Multi-Step, and Enterprise-Ready Logic.

Significantly lower hallucination rates compared to predecessors, making it a safer bet for critical tasks.

Perplexity

Optimised for verifiability of its output.

By providing inline, credible sources, it mitigates reasoning flaws with fact-checking and transparency.

Grok

Massive scale (estimated 1.7 trillion parameters).

Shows breakthrough performance on benchmarks requiring deep, philosophical deconstruction or novel solutions.

Legal Translations with AI

Use Case I: Translate

The challenge

Legal translations are complex and difficult because precision in the translation of legal concepts is crucial.

  • Our choice
- Grok is a leading LLM with better drafting capabilities than other models.
  • Enhanced capabilities
-Translate from and to Portuguese
-Improve readability of the translation.
-Make corrections to translation following your instructions.
  • Our engineered pre-prompt
-We have programmed Grok to answer (and translate) in (European) Portuguese.

Translating with AI

Chat with AI. Don’t be satisfied with the first answer you get.

AI can do more than translate, it can help you improve its own output.

Translate text paragraph by paragraph. This will help identifying errors more easily, that otherwise would go unnoticed.

Read the translation carefully. Ask AI to correct its own output. Do this when you see repeated errors, such as Portuguese Brazilian.

Ask to “refine” or “improve readability”. AI can help you to reduce the text’s “localisms” and adapt to the target language’s way of writing.

Legal Research with AI

Use Case 2: Legal Research

The challenge

Traditional legal research is often manual, time-consuming, and can miss important information on large databases. LLM search is often inaccurate and misleading.

  • Our choice
-Perplexity is a leading LLM designed to improve web search, which is known for the reliability of its sources.
  • Enhanced capabilities
-Examine large amounts of court decisions, statutes, and legal journals.
-Identify relevant information based on specific questions.
  • Our engineered pre-prompt
-We have programmed Perplexity to provide information based on official sources of legislation and case law.

USE CASE 2: RESEARCHING WITH AT

Use free models (Perplexity, Grok and ChatGPT) only for basic research.

Don’t be satisfied with a single answer. Working with AI is an interactive process. Use Key Terms to question, revise or refine your Word text. Do multiple queries.

Start with a good prompt. Ask the same question to more than one model, e.g Perplexity, Grok and ChatGPT. Try Google AI.

Read the results carefully and check the links. Links to wrong or low-quality sources are a warning that the result is not satisfactory.

 

Copy/paste results to your Word document. Write your text. Question your opinions using Key Terms (Grok and Perplexity).

Legal Writing with AI

USE CASE 3: Legal Writing

The challenge

Legal writing is complex on its own and even more when there is a need to write in a a foreign language.

  • Our choice
-Grok has good drafting and reasoning capabilities that make it ideal for reviewing and improving document drafting.
  • Enhanced capabilities
-Explain key concepts and their variations.
-Improve readability and clarity of documents.
-Make corrections to your document following your instructions.
-Double check your opinions.
  • Use Key Terms to improve your work
-Don’t use Key Terms’ Assistant to write legal opinions or legal articles from scratch. Use it to improve your work.

USE CASE 3: WRITING WITH AI

Start with an existing text. Ask Key Terms (Perplexity) to provide or check sources of the text. Check the links provided by Perplexity.

Get a second opinion. Ask Grok to review the text or Perplexity’s output or vice versa. Check sources again and incorpoate output in your text.

Use Grok and Perplexity for a critical review of your final version. Ask Grok to refine paragraphs you may not be satisfied with or to do a final check.

A practical example

AI can be wrong! How to Mitigate AI risks

  • The problem
-LLMs may misinterpret information, give wrong results or quote inexistent sources in seemingly perfect answers.
  • How can we solve it
-Always start from what you know.
-Always verify links and sources. Click on links and make a Google search of quoted information and confirm it is correctly cited.
-Read the answer carefully and never use without having confirmed it is correct.
AI helps you to do your work

Key Takeaways

Use AI to enhance your work. AI can improve the quality of your work, help you deliver results faster and with greater depth. But be mindful of the risks. Using AI must be an interactive process. First results are usually poor.

  • AI does not do your work. Use AI as a tool to improve your work, but not to do it for you. Improve drafts, find information faster, and check your work. Do not delegate responsibility.
  • AI can make mistakes. Answers may appear correct but can be misleading or incomplete. Check sources, links, and quoted information. Always apply your own expertise and judgement.

  • Interact with AI. Chat with the model. Ask the same question to more than one model. Check the answer with other models. Ask about the same matter in different ways. Question the answers.

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