Flávio Barros de Lia Pires
Criminal and civil law. Practising since 1984.
Criminal defence, electoral law, victim support, compliance and civil law. Four generations of one family, with the closeness of a firm that knows you by name.
"De" is the word at the heart of our name, and each one is a promise. Discover them as you go: this page’s appear as you scroll, the rest are in the practice areas and paths.
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foundde dúvida a decisão.from doubt to decision
Three simple questions. At the end we show you the area, the next step and how to reach us.
de defesa.defence, first and foremost
Five areas, one team. Each with its own page, clear steps and answers to frequent questions.
Defence in investigations and criminal proceedings, from jury trials to the higher courts. We also act on behalf of victims.
02Candidacies, campaign accounts, advertising and defence in electoral actions. Before, during and after elections.
03Assisting the prosecution, criminal complaints and compensation. Care, clear information and support at every step.
04Economic crime prevention, legal opinions and support in inquiries and internal investigations. Acting before the problem.
05Contracts, damages, debt recovery, probate and property matters. Legal certainty for life and for business.
de problema a plano.from problem to plan
Start with your life, not the statute book. Each path shows the steps and leads to the right area.
de raiz.built from the ground up
de lia pires · since 1926One-to-one service that takes into account the circumstances of each case and each person.
de ouvir a defender.from listening to defending
The same method in every case, from the simplest to the most urgent.
A first private conversation to learn the facts and what matters most to you.
We study documents, deadlines and risks and explain everything clearly.
You choose the strategy with us. You always know why, how and when.
We handle the case at every stage and keep you informed of every step.
de geração em geração.from generation to generation
Tap each year to see how the defence passed from hand to hand. Unlock every milestone.
Voltaire de Bittencourt Pires, a criminal lawyer, joins the Instituto dos Advogados. The Pires family line in law begins.
1/9 milestones discoveredHistory complete. Thank you for getting to know our firm.
Dates and facts from the current website and public sources (Porto Alegre City Council, OAB/RS and Jornal do Comércio). to confirm The current site says "almost 100", "over 100" and "over 80 years". We used "almost a century".
de família.a family firm
A firm in constant renewal and improvement, carrying on the record of excellence of those who founded it. Today the third and fourth generations of the Lia Pires family work side by side.
All of our lawyers graduated from PUCRS and belong to the Instituto Lia Pires, which promotes criminal law debates and seminars. Get to know the firm →
Criminal and civil law. Practising since 1984.
Criminal, electoral and civil law.
Criminal law. Master’s and doctoral candidate in Criminal Sciences.
Civil, electoral and criminal law.
Criminal and civil law.
de palavra.true to our word
The "de" has been in our name from day one. These are the commitments it carries.
de geração em geraçãofrom generation to generationFour generations of one family devoted to defence. What is learned in the courtroom is handed down.
de confiançaof trustAbsolute confidentiality and a close relationship. You always know who is handling your case.
de frentehead onWe face every case firmly, at every level and in every court.
de pertoup closeOne-to-one service that takes into account the circumstances of each case and each person.
de palavratrue to our wordWe explain in plain language and do what we agree, from first contact to final decision.
de mito a facto.from myth to fact
Common beliefs about justice, cleared up in plain English. Pick your answer and flip the card.
0 correct · 0 of 4Challenge complete
“If I have nothing to hide, I can give a police statement without a lawyer.”
“In a criminal case, the victim is just a witness.”
“Electoral law only concerns politicians.”
“Probate can be done at a notary’s office, without going to court.”
to confirm General answers, to be validated by the lawyers before publishing. They do not replace a consultation.
de confiança.a relationship of trust
porto alegre · video callFrom first contact to the end of the case, you always know where it stands.
de quem decide.chosen by decision-makers
In 2025 the firm was among the five preferred legal brands in the Jornal do Comércio "Marcas de Quem Decide" survey, and the only one focused on criminal law.
Marcas de Quem Decide 2025 · Jornal do Comércio
Source: the firm’s website and Jornal do Comércio (14 April 2025, sponsored content). to confirm
de viva voz.in your own words
contactPre-book a consultation in person in Porto Alegre, by video call or by phone. We will reply with available dates.
Five steps to arrive prepared for the first conversation. Saved in this browser.