Legal advice across all areas of civil law, including damages, warranty, product liability and unjust enrichment.
Legal support in shareholder disputes, director and officer liability and matters related to the Business Judgment Rule.
Comprehensive legal representation before state courts in all areas of civil law (i.e. damages claims, declaratory actions and injunctions) including strategic case management and targeted litigation preparation.
Consistent representation in cases of economic and business-related offences such as fraud, fraudulent insolvency, embezzlement, breach of trust, accounting offences, money laundering, misuse of trade or business secrets, forgery and other related matters.
Assertion of victims’ rights and claims of private parties or private prosecution to effectively protect economic and personal interests.
Support and advice at every stage of criminal proceedings – from initial questioning to dawn raids, seizures, asset freezes and full defense representation before the criminal court.
Initial legal assessment, case analysis and enforcement of claims in cases of crypto fraud, investment and trading scams, romance scams, pig butchering schemes, fake online shops, impersonation scams and similar online fraud schemes.
Development and implementation of guidelines, trainings and preventive measures to minimize digital risks.
Legal advice and crisis management in cases of hacking, phishing, ransomware, fraudulent data processing, misuse of access credentials, data forgery and data damage.
Ongoing legal support for companies, from incorporation to amendments to articles of association or changes in shareholders.
Coordination and management of contentious matters including strategic planning and legal support in conflicts and disputes.
Legal support in crisis situations and strategic advice on internal and external communication.
Legal advice across all areas of civil law, including damages, warranty, product liability and unjust enrichment.
Legal support in shareholder disputes, director and officer liability and matters related to the Business Judgment Rule.
Comprehensive legal representation before state courts in all areas of civil law (i.e. damages claims, declaratory actions and injunctions) including strategic case management and targeted litigation preparation.
Consistent representation in cases of economic and business-related offences such as fraud, fraudulent insolvency, embezzlement, breach of trust, accounting offences, money laundering, misuse of trade or business secrets, forgery and other related matters.
Assertion of victims’ rights and claims of private parties or private prosecution to effectively protect economic and personal interests.
Support and advice at every stage of criminal proceedings – from initial questioning to dawn raids, seizures, asset freezes and full defense representation before the criminal court.
Initial legal assessment, case analysis and enforcement of claims in cases of crypto fraud, investment and trading scams, romance scams, pig butchering schemes, fake online shops, impersonation scams and similar online fraud schemes.
Development and implementation of guidelines, trainings and preventive measures to minimize digital risks.
Legal advice and crisis management in cases of hacking, phishing, ransomware, fraudulent data processing, misuse of access credentials, data forgery and data damage.
Ongoing legal support for companies, from incorporation to amendments to articles of association or changes in shareholders.
Coordination and management of contentious matters including strategic planning and legal support in conflicts and disputes.
Legal support in crisis situations and strategic advice on internal and external communication.
Ancient Greek:
Claudia Brewi is an attorney at law and partner at LEUKOS. Her core practice areas include white-collar crime, cybercrime, litigation and compliance.
Paul Krepil is an attorney at law and partner at LEUKOS. His practice focuses on litigation, white-collar crime and (international) arbitration.
LEUKOS is a boutique law firm that stands for clear, reliable and strategical legal advice. We support companies and private clients in complex civil and criminal law matters and provide dedicated and consistent representation in investigation proceedings, court proceedings and arbitral tribunals.
Our practice areas include civil law, litigation, white-collar crime and criminal procedural law, prevention and investigation of cybercrime as well as customized support as outsourced legal department.
We are committed to providing transparent guidance on legal challenges, identifying risks at an early stage and developing solutions that are legally precise and commercially viable.
We represent our clients in contentious disputes before state courts and arbitral tribunals. Our services include enforcing claims, defending against unjustified claims and guiding our clients through payment, enforcement and insolvency proceedings. We also provide strategic support outside of court through assertive correspondence as well as efficient claim and enforcement management.
Criminal risks can affect companies and individuals unexpectedly. We provide comprehensive support to handle critical situations professionally, discreetly and with legal certainty. We safeguard your rights throughout all stages of criminal proceedings, guide you through challenging situations and ensure that your position is represented effectively and strategically.
Digitalization has led to a rapid increase and evolution of crimes in the worldwide web. Cyberattacks can hit both companies and private individuals suddenly and severely. We help you assess complex online crimes from a legal perspective, minimize financial losses and assert your rights effectively.
For some companies, maintaining an in-house legal department is not economically viable. Even established legal teams can quickly reach their limits during periods of increased workload or staffing shortages, particularly in legally sensitive situations. We support your business flexibly, quickly and reliably in all legal matters – so you can focus entirely on your core business.
We represent our clients in contentious disputes before state courts and arbitral tribunals. Our services include enforcing claims, defending against unjustified claims and guiding our clients through payment, enforcement and insolvency proceedings. We also provide strategic support outside of court through assertive correspondence as well as efficient claim and enforcement management.
Criminal risks can affect companies and individuals unexpectedly. We provide comprehensive support to handle critical situations professionally, discreetly and with legal certainty. We safeguard your rights throughout all stages of criminal proceedings, guide you through challenging situations and ensure that your position is represented effectively and strategically.
Digitalization has led to a rapid increase and evolution of crimes in the worldwide web. Cyberattacks can hit both companies and private individuals suddenly and severely. We help you assess complex online crimes from a legal perspective, minimize financial losses and assert your rights effectively.
For some companies, maintaining an in-house legal department is not economically viable. Even established legal teams can quickly reach their limits during periods of increased workload or staffing shortages, particularly in legally sensitive situations. We support your business flexibly, quickly and reliably in all legal matters – so you can focus entirely on your core business.
We represent our clients in contentious disputes before state courts and arbitral tribunals. Our services include enforcing claims, defending against unjustified claims and guiding our clients through payment, enforcement and insolvency proceedings. We also provide strategic support outside of court through assertive correspondence as well as efficient claim and enforcement management.
Criminal risks can affect companies and individuals unexpectedly. We provide comprehensive support to handle critical situations professionally, discreetly and with legal certainty. We safeguard your rights throughout all stages of criminal proceedings, guide you through challenging situations and ensure that your position is represented effectively and strategically.
Digitalization has led to a rapid increase and evolution of crimes in the worldwide web. Cyberattacks can hit both companies and private individuals suddenly and severely. We help you assess complex online crimes from a legal perspective, minimize financial losses and assert your rights effectively.
For some companies, maintaining an in-house legal department is not economically viable. Even established legal teams can quickly reach their limits during periods of increased workload or staffing shortages, particularly in legally sensitive situations. We support your business flexibly, quickly and reliably in all legal matters – so you can focus entirely on your core business.
In our LEUKOS blog, we address current issues in civil, commercial and criminal law. We provide information on legal developments, recent court decisions and their significance for companies and private clients. Our aim is to present complex topics in an understandable way and provide guidance in an increasingly diverse legal environment.
We represent our clients in contentious disputes before state courts and arbitral tribunals. Our services include enforcing claims, defending against unjustified claims and guiding our clients through payment, enforcement and insolvency proceedings. We also provide strategic support outside of court through assertive correspondence as well as efficient claim and enforcement management.
Criminal risks can affect companies and individuals unexpectedly. We provide comprehensive support to handle critical situations professionally, discreetly and with legal certainty. We safeguard your rights throughout all stages of criminal proceedings, guide you through challenging situations and ensure that your position is represented effectively and strategically.
Digitalization has led to a rapid increase and evolution of crimes in the worldwide web. Cyberattacks can hit both companies and private individuals suddenly and severely. We help you assess complex online crimes from a legal perspective, minimize financial losses and assert your rights effectively.
For some companies, maintaining an in-house legal department is not economically viable. Even established legal teams can quickly reach their limits during periods of increased workload or staffing shortages, particularly in legally sensitive situations. We support your business flexibly, quickly and reliably in all legal matters – so you can focus entirely on your core business.
Claudia Brewi is an attorney at law and partner at LEUKOS Attorneys at Law. Her core practice areas include white-collar crime, cybercrime, litigation and compliance. She has extensive experience as defense or victim’s counsel in complex white-collar cases as well as representing clients in civil disputes with an economic and corporate nexus. In addition, she is a founding and board member of the Austrian White Collar Crime Association (AWCCA).
since 2025
2021 – 2025
2017 – 2021
LEUKOS Attorneys at Law
Paulitsch Law
Wolf Theiss
University of Vienna (Mag.iur.), Austria
University of Oslo, Norway
Claudia Brewi is an attorney at law and partner at LEUKOS Attorneys at Law. Her core practice areas include white-collar crime, cybercrime, litigation and compliance. She has extensive experience as defense or victim’s counsel in complex white-collar cases as well as representing clients in civil disputes with an economic and corporate nexus. In addition, she is a founding and board member of the Austrian White Collar Crime Association (AWCCA).
since 2025
2021 – 2025
2017 – 2021
LEUKOS Attorneys at Law
Paulitsch Law
Wolf Theiss
University of Vienna (Mag.iur.), Austria
University of Oslo, Norway
Paul Krepil is an attorney at law and partner at LEUKOS Attorneys at Law. His practice focuses on litigation, white-collar crime and (international) arbitration. He has 10 years of experience acting as counsel and defense attorney in cross-border cases. In addition, he has been repeatedly recommended as a Key Lawyer by the renowned legal guide Legal500.
„Paul Krepil was incredibly well prepared and always kept everything together.” – Legal500 (2024)
„Paul Krepil knows the case in depth, quick and useful responses. He typically knows even minor details by heart.” – Legal500 (2023)
since 2025
2021 – 2025
2016 – 2021
LEUKOS Attorneys at Law
Cerha Hempel
Wolf Theiss
University of Vienna (Dr.iur. and Mag.iur.), Austria
University of Edinburgh, Scotland
Providing legal advise in enforcement proceedings arising from a multi-million-euro investment arbitration.
Paul Krepil is an attorney at law and partner at LEUKOS Attorneys at Law. His practice focuses on litigation, white-collar crime and (international) arbitration. He has 10 years of experience acting as counsel and defense attorney in cross-border cases. In addition, he has been repeatedly recommended as a Key Lawyer by the renowned legal guide Legal500.
„Paul Krepil was incredibly well prepared and always kept everything together.” – Legal500 (2024)
„Paul Krepil knows the case in depth, quick and useful responses. He typically knows even minor details by heart.” – Legal500 (2023)
since 2025
2021 – 2025
2016 – 2021
LEUKOS Attorneys at Law
Cerha Hempel
Wolf Theiss
University of Vienna (Dr.iur. and Mag.iur.), Austria
University of Edinburgh, Scotland
Providing legal advise in enforcement proceedings arising from a multi-million-euro investment arbitration.
We represent our clients in contentious disputes before state courts and arbitral tribunals. Our services include enforcing claims, defending against unjustified claims and guiding our clients through payment, enforcement and insolvency proceedings. We also provide strategic support outside of court through assertive correspondence as well as efficient claim and enforcement management.
Criminal risks can affect companies and individuals unexpectedly. We provide comprehensive support to handle critical situations professionally, discreetly and with legal certainty. We safeguard your rights throughout all stages of criminal proceedings, guide you through challenging situations and ensure that your position is represented effectively and strategically.
Digitalization has led to a rapid increase and evolution of crimes in the worldwide web. Cyberattacks can hit both companies and private individuals suddenly and severely. We help you assess complex online crimes from a legal perspective, minimize financial losses and assert your rights effectively.
For some companies, maintaining an in-house legal department is not economically viable. Even established legal teams can quickly reach their limits during periods of increased workload or staffing shortages, particularly in legally sensitive situations. We support your business flexibly, quickly and reliably in all legal matters – so you can focus entirely on your core business.
