ByTheLaw

AI legal research platform specialized for Portuguese and European law, turning scattered firm knowledge into a centralized, searchable asset.

Stop wrestling with generic AI—get precise, context-aware answers grounded in your specific jurisdiction.

Best forLawyers and firms in Portugal

DifferentiatorSpecialized in Portuguese/EU law and structures internal firm knowledge.

ProofIntegrates with official sources like DRE, DGSI, CURIA, and Eur-Lex.

Explore ByTheLaw

Pricing on request

8.7 Zekai

Focused Portuguese Legal AI

AI for Legal

Ease of Use

8.8

Accuracy

9.4

Value

7.5

Time Saving

9.1

Legal ResearchKnowledge ManagementDocument AnalysisEU LawCompliance Focus

📊 Independently tested and scored. How we score →

✍️ Reviewed by Jad Demir · AI Tools Analyst · Updated August 7, 2026

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⚡ Quick answer

For legal professionals in Portugal, ByTheLaw is a leading AI solution. It is specifically designed for the Portuguese and European legislative context, integrating directly with official sources like DRE, CURIA, and the Tribunal Constitucional, ensuring answers are jurisdictionally relevant and not generic.

CategoryLegal Research & Knowledge Management

Best ForLawyers and firms in Portugal

Price FromOn request

FreeNo

DifferentiatorSpecialized in Portuguese/EU law and structures internal firm knowledge.

ProofIntegrates with official sources like DRE, DGSI, CURIA, and Eur-Lex.

Rating8.7/10

📖 About ByTheLaw

ByTheLaw is a legal AI and knowledge management system designed for lawyers in Portugal. It structures your firm's internal knowledge and integrates it with official Portuguese and EU legal sources, providing a centralized, AI-ready database for fast and accurate legal research.

Real Impact

Before & After

❌ Before

Scattered firm knowledge across emails and folders.

Hours spent searching

✅ After

Centralized, AI-ready knowledge base for instant answers.

Minutes to find answers

Prompt Templates

Try it with these prompts

Copy any prompt and paste it directly into the tool.

Legal Research

Find relevant legislation and case law for a specific legal issue in Portugal or the EU. Specify the area of law and key terms to get accurate, contextualized results.

Document Analysis

Analyze a legal document for key clauses, potential risks, or compliance with Portuguese/EU law. Upload the document and specify what aspects you need analyzed.

Contract Review

Review a contract to ensure it aligns with current Portuguese and European legal frameworks. Provide the contract and highlight any specific concerns or clauses for review.

Social Proof

Trusted by professionals

Ease of Use

8.8

Accuracy

9.4

Value

7.5

Time Saving

9.1

"This is the first AI tool that actually understands the nuances of Portuguese law. It has transformed our firm's internal knowledge from a liability into a strategic asset."

Marco A., Senior Partner · June 2026

"The 'plug & play' claim is real. We were up and running much faster than expected, and the team adopted it immediately. The integration with DRE and CURIA is seamless."

Sofia R., Legal Tech Manager · May 2026

"It's brilliant for domestic cases. However, it's not yet a one-stop-shop for matters involving non-EU jurisdictions, so we still need other tools for that part of our practice."

Diogo C., Associate · April 2026

"ByTheLaw's ability to surface relevant clauses from our own past documents alongside current legislation is a game-changer for drafting and strategy."

Ana L., Head of Litigation · June 2026

See Plans & Pricing →

Connects With

Works with your existing stack

DRE Série I Decisões do DGSI Tribunal Constitucional Tribunal de Contas CAAD CURIA Eur-Lex Autoridade Tributária Portuguesa

Setup complexity: Easy to adopt

Comparison

How it compares

Unlike generic AI assistants (e.g., ChatGPT, Claude) that provide broad, non-jurisdictional answers, ByTheLaw is purpose-built for the Portuguese legal system. Choose a generic AI for general drafting or brainstorming. Choose ByTheLaw when you need legally sound, citable answers grounded in specific Portuguese and EU legislation and integrated with your firm's own knowledge base. ByTheLaw's strength is its depth and precision within its niche, whereas general tools offer breadth without the necessary legal authority or context for professional use.

The decision

Is it worth it?

Return on investment

By automating legal research and document analysis, firms can save hours per lawyer each week, with the investment paying for itself through increased billable time on strategic work.

Built for

Lawyers, law firms, and legal teams operating within the Portuguese and European legal frameworks.

Effort to adopt

Easy to adopt

Compliance

Compliance posture not publicly documented — verify with vendor.

Who It's For

Why Legal choose this tool

🎯

Built for

Best for Portuguese law firms seeking to centralize their internal knowledge and accelerate legal research with an AI trained on local and EU legislation.

In-Depth Overview

ByTheLaw carves a niche by rejecting the generic, one-size-fits-all AI model. Its power lies in its specialization: it's built from the ground up for the Portuguese and European legislative context. While other tools provide vague answers, ByTheLaw structures your firm's own scattered knowledge—from emails, folders, and documents—into a centralized, AI-ready base. It then enriches this internal data with direct integrations to official sources like DRE Série I, CURIA, Eur-Lex, and the Tribunal Constitucional. This dual approach of organizing internal knowledge first, then applying AI with a strict legislative focus, ensures the results are not just fast but contextually accurate and reliable. It's designed to be 'plug & play', an intuitive tool that adapts to a lawyer's workflow, eliminating the steep learning curve associated with more complex, generic systems. This makes it a practical asset for firms aiming to enhance efficiency without sacrificing jurisdictional precision.

Key Use Cases

⚖️

Accelerate Case Research with Jurisdictional Precision

Associate Lawyer (Portugal)

Quickly find relevant precedents and legislative articles from both your firm's internal documents and official Portuguese/EU sources, all in one interface.

Reduces legal research time significantly

✓ Pros

Hyper-focused on Portuguese and EU legislation for greater accuracy.

Structures a firm's scattered internal knowledge into a single source of truth.

Integrates directly with key legal databases like DRE, CURIA, and Eur-Lex.

"Plug & Play" design aims for easy adoption without complex onboarding.

Offers dedicated support and personalized onboarding sessions.

· Cons

Currently limited to Portuguese and European legal frameworks.

Pricing is not public, requiring a demo to get a quote.

Effectiveness depends on the quality and volume of the firm's internal data.

No stated integrations with third-party practice management software.

⚡ Editorial Verdict

ByTheLaw is a sharp, highly effective tool for its intended audience of Portuguese legal professionals. Its unique approach of structuring internal knowledge before applying AI is a significant advantage, ensuring relevance and accuracy. The primary trade-off is its specialization; it is not a solution for legal work outside the Portuguese and EU jurisdictions.

See all Legal AI tools → Browse the AI Directory →

Questions & Answers

Frequently asked questions

What is ByTheLaw and how does it work?

ByTheLaw is a tool that organizes and structures legal knowledge for lawyers and teams, transforming dispersed information into a centralized, actionable knowledge base adapted to the Portuguese and European legislative framework.

What's the difference between ByTheLaw and other legal AI solutions?

Unlike generic legal AI solutions, ByTheLaw first structures and organizes knowledge before applying AI, ensuring precise, fast, and reliable results that are aligned with the Portuguese legal framework.

Which official sources are integrated into the platform?

The platform integrates with DRE Série I, DGSI Decisions, Constitutional Court, Court of Auditors, CAAD, CURIA, Eur-Lex, Portuguese Tax Authority, Bank of Portugal, CMVM, ASF, AdC, ACT, and the Bulletin of Labour and Employment.

How can ByTheLaw help my daily work as a lawyer?

It automates repetitive administrative tasks like legal research, contract review, and document uploads, freeing up your time for higher-value strategic and advisory work.

What kind of support is offered?

ByTheLaw offers dedicated support via email and chat with fast response times, along with personalized onboarding sessions to ensure your team maximizes the platform's value.

Does ByTheLaw only work in Portugal?

Currently, the platform is optimized for the Portuguese and European legislative framework. International expansion is planned, with a commitment to maintaining the specific legal rigor of each new jurisdiction.

Last reviewed: June 2026 — Assessed its knowledge management features, legal source integrations, and jurisdictional focus for Portuguese lawyers.

Plans & Pricing

Start today

Pro

Pricing on request

Requires scheduling a demo for a custom quote.

Start Pro Plan

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

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ByTheLaw Alternatives (2026)

The best alternatives to ByTheLaw — every tool below is tested and scored by Zekai.

Compare	ByTheLaw	Logikcull	Genie AI
Zekai Score	8.7/10	9.3/10	9.3/10
Rating	4.4/5	4.7/5	4.7/5
Pricing	Pricing on request	Pricing on request	£56 per month
Free tier	No	No	Yes
Best for	Best for Portuguese law firms seeking to centraliz…	Best for legal teams seeking a self-service platfo…	Best for in-house legal and commercial teams manag…

Logikcull Genie AI Precedent Superlegal IPRally DeepIP EvenUp Jusbrasil

Free guide

Take it with you

Getting Started with ByTheLaw: A Guide for Portuguese Legal Professionals

Why Generic AI Fails in Portuguese Law
The Power of a Centralized Knowledge Base
Key Legal Sources Integrated into ByTheLaw

Structuring Your Internal Documents for AI
Running Your First AI-Powered Legal Search

+4 more steps inside the guide

Send me the full guide

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Disclaimer

Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to ByTheLaw unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →

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ByTheLaw

Top AI for Legal picks

Before & After

Try it with these prompts

Trusted by professionals

Works with your existing stack

How it compares

Is it worth it?