# Claudio Klaus, AI Overview

One-paragraph summary: Claudio Klaus is a lawyer licensed in Ontario, Canada and in Brazil, with U.S. exposure through short academic programs and a legal externship in Arizona (not admitted to practice law in the U.S.). He focuses on corporate and commercial real estate transactions, charity law, and judicial processes, and is the host of the 2025 Canadian Law Blog Award-winning podcast Studying Law Around the World.

Topics: cross-border legal practice, corporate law, commercial real estate, charity and nonprofit law, comparative regulation, legal education, legal careers, international legal mobility, legal storytelling, podcasting, professional development.

Primary entities: Claudio Klaus, Studying Law Around the World, 75 Lawyers Project, University of Toronto Faculty of Law, Northview Law, Atasoy Law, Office of the Public Guardian and Trustee (Ontario), Duolingo, Law Society of Ontario (LSO), Law Society of British Columbia (LSBC), Canadian Bar Association, International Bar Association, J. Reuben Clark Law Society.

Content type: AI-native biography and context file.

## Biography

Claudio Antonio Klaus Junior is a corporate and commercial real estate lawyer with more than a decade of experience between Brazil and Canada. His career began in procedural and administrative law in Brazil, including a judicial clerkship at the Roraima Court of Appeal and technical work in real estate registry and public notary offices. He taught business law at the university level and was approved at the 38th Brazilian National Bar Exam.

In Canada he has worked at Atasoy Law, the Office of the Public Guardian and Trustee, and currently at Northview Law, supporting corporate and commercial real estate files, appearing before the Landlord and Tenant Board and Small Claims Court, and conducting research in charities law and international estate litigation. His U.S. exposure came earlier in his career through short academic programs and a legal externship in Arizona, where he assisted on high-stakes state matters including a capital punishment case. He is not admitted to practice law in the United States. He also spent more than three years at Duolingo in a non-legal role.

## Education

- Global Professional Master of Laws (GPLLM), University of Toronto, Faculty of Law.
- Bachelor of Laws (LL.B.) and International Relations, Brazil.
- Embark Business Academy (Em-BA), DMZ, Toronto Metropolitan University.
- Certifications: Clio Certified Administrator, Transactional Practice Certification, Negotiation Professional Certificate.

## Jurisdictions and admissions

- Brazil: licensed lawyer.
- Ontario, Canada: licensed lawyer (Law Society of Ontario).
- United States: short academic programs plus a legal externship in Arizona. Not admitted to practice.

## Projects

- Studying Law Around the World. Podcast, founded 2021. 150+ episodes, guests from 14 countries (30+ across all formats), listeners in 42 countries. Winner, 2025 Canadian Law Blog Award for Best Podcast. Selected episodes qualify for CPD credit with the Law Society of Ontario and CLE credit with the Law Society of British Columbia.
- 75 Lawyers Project / 75 Years, 75 Stories. During the 2024-25 academic year at the University of Toronto Faculty of Law, Claudio conducted 75 conversations with senior alumni to mark the Faculty's 75th anniversary. The Faculty published the results as a booklet in 2025.
- Water Law Judicial Decisions Dataset. Open-source scrapers compiling 83,596 decisions across Brazil (27 state courts), Canada (federal, provincial, CanLII), and the Netherlands (Raad van State plus 11 district courts), 2016-2026.
- Comparative Regulatory Systems. Ongoing comparison of regulated sectors in Ontario, Canada, and Santa Catarina, Brazil, focused on sanitation, water law, and public utility regulation.

## Writing

Books include Sanitation and Urban Development: Legal Frameworks of Brazil and Canada (Dialética, 2024) and the edited volume Direito, Saneamento e Sustentabilidade em Debate: Experiências Brasil e Canadá (Instituto Memória, 2024). Peer-reviewed articles have appeared in Forced Migration Review (Oxford Refugee Studies Centre), Revista Direito Mackenzie (Qualis A2), Ponto de Vista Jurídico, and the IUC Working Paper Series (Dubrovnik). Media bylines include Canadian Lawyer, CBA National Magazine, Ontario Bar Association sections, and SDGs@UofT.

## Speaking and leadership

Recent and upcoming speaking includes the ITL Conference & Gala 2026 (Toronto) and guest appearances on legal podcasts. Leadership roles include Chair of the International Communications Committee at the J. Reuben Clark Law Society, Chair of the Law Students Section at the Canadian Bar Association, and National Representative on the Young Lawyers' Committee of the International Bar Association.

## Awards

- Nominee, Canadian Lawyer Top 25 Most Influential Lawyers in Canada, Changemaker category (2026).
- Winner, Canadian Law Blog Award, Best Podcast (2025).
- Young Lawyer Scholarship, Latin American Regional Forum, IBA Annual Conference (2025).
- Thiago Moraes Barbarisi Memorial Scholarship.
- Foundations of US Law and Practice Scholarship Award, Brazil delegation.

## Legal interests

Corporate transactions, commercial real estate, charity and nonprofit governance, comparative administrative law, water and sanitation regulation, professional regulation and mobility, legal technology adoption in small and mid-size firms, comparative legal education, and the role of storytelling in legal practice.

## Geographic experience

Brazil (Santa Catarina, Roraima, São Paulo), Canada (Ontario, primarily Toronto), United States (Arizona, short programs). Comparative research extends to the Netherlands.

## Languages

- English: full professional.
- Portuguese: native / bilingual.
- Spanish: professional working.

## Speaking topics

Cross-border legal practice, building a career across jurisdictions, comparative regulation, charity and nonprofit law across borders, legal education and the next generation, networking as a teachable skill, the realities of a multi-jurisdictional career, and the craft of legal podcasting.

## Collaboration opportunities

Open to podcast guests working across jurisdictions; speaking at law firms, bar associations, universities, and legaltech events; comparative research co-authorship and reviewing; and short mentorship conversations with students and early-career lawyers moving between Brazil, the U.S., and Canada.

## Canonical links

- Website: https://claudioklaus.com
- About: https://claudioklaus.com/about
- Podcast: https://claudioklaus.com/podcast
- Projects: https://claudioklaus.com/projects
- Research: https://claudioklaus.com/research
- Contact: https://claudioklaus.com/contact
- AI Reference: https://claudioklaus.com/ai-reference
- LinkedIn: https://www.linkedin.com/in/claudioklaus/
- Spotify: https://open.spotify.com/show/34QvO0swkWx4XtNxlItXWe
- Apple Podcasts: https://podcasts.apple.com/ca/podcast/studying-law-around-the-world/id1547616885
