Practical. Creative. Trusted.
Focused on helping clients navigate emerging tech, AI, and data-related legal challenges.
ZwillGen and Luminos Launch the ZwillGen Law Library
ZwillGen and Luminos partner to create the ZwillGen Law Library, automating AI risk assessments and testing based on the experience of ZwillGen’s world-class AI Division.
Our Practices
We provide unparalleled expertise across a wide range of areas, including artificial intelligence, privacy and global data protection, cybersecurity, law enforcement and surveillance, marketing and e-commerce, vendor contracting, alternative data, gaming, gambling, and fantasy sports, and related investigations and litigation. Our attorneys are uniquely positioned to identify issues that others might overlook, offering clients a more focused and strategic legal perspective.
Artificial Intelligence
We advise clients on development, operationalization, and adoption of machine learning, large language models, and other technologies powered by artificial intelligence.
Information Security
We develop consumer-facing and internal privacy and security policies and incident response plans that can bring your company into compliance with applicable laws and keep pace with developing industry standards.
Our Practices
We provide unparalleled expertise across a wide range of areas, including artificial intelligence, privacy and global data protection, cybersecurity, law enforcement and surveillance, marketing and e-commerce, vendor contracting, alternative data, gaming, gambling, and fantasy sports, and related investigations and litigation. Our attorneys are uniquely positioned to identify issues that others might overlook, offering clients a more focused and strategic legal perspective.
Privacy & Global Data Protection
Our experienced team can help you asses, build, improve, and maintain your company's practices related to privacy, information security, marketing, vendor and customer contracting, and more.
Law Enforcement & Surveillance
We advise tech companies on their rights and responsibilities in responding to law enforcement requests, including issues related to subpoenas, court orders, search warrants, national security, and real-time surveillance orders.
Gaming Licensing Simplified
ZG Gaming Solutions is a specialized service provider that handles the complexity of gaming licensing for operators, executives, service providers, and investors. We worry about licensing so you don't have to.
Blog
Recent insights from the ZwillGen blog.
Our Team
Get direct, practical answers — the kinds of answers that help you make decisions — from a team with decades of combined experience.
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Alexei Klestoff
attorney
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Ahmed Eissa
attorney
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Sara Haven
attorney
Our Culture
We like the work we do and we like each other. And we take our work seriously, but we don't take ourselves too seriously.
Trusted by industry heavyweights
Some of the biggest names in technology, media, gaming, and more rely on us to respond to and resolve their most serious legal challenges.
Thought Leadership
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July 16, 2025
Chargebacks Persist as Court Voids FTC Rule
In this Payments Dive article, Zach Lerner discusses how a recent court decision to vacate the FTC’s “click-to-cancel” rule will impact merchants and consumers dealing with recurring charges and chargebacks. The Eighth Circuit’s ruling found procedural flaws in how...
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June 27, 2025
A Level Playing Field: Balancing Federal and State Regulation for Event Contracts
In this Sports Betting Operator article, Marc Zwillinger and Ben MacLean analyze the emerging legal battle over sports event contracts offered by designated contract markets (DCMs) like Kalshi, which operate under federal commodity regulations rather...
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June 12, 2025
Podcast: Building AI Law Amid Legal Uncertainty
In the latest episode of The Road to Accountable AI podcast, Brenda Leong explores how legal practitioners are adapting to the rapidly evolving landscape of artificial intelligence. Leong explains why meaningful AI audits require deep...
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May 30, 2025
Reviewing PASPA? DC Suit Tests the Limits of Murphy and the Home Rule
In this EGR North America article, Whitney Fore and David Ward examine a recent legal challenge to Washington, D.C.’s authority to regulate sports betting. The lawsuit claims that the Sports Wagering Lottery Amendment Act violates...
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May 27, 2025
Privacy Corner: Protecting Data in Polarized Times With ZwillGen’s Founder
In this FTCWatch article, Marc Zwillinger discusses how companies can ensure they’re keeping up with data privacy best practices and regulations in a time of intensified political attacks. As companies are increasingly subjected to potential...
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May 27, 2025
Enforcement of Sections of Negative Option Rule Delayed Until July 14
In this FTCWatch article, Zach Lerner explains the Negative Option Rule following the announcement that its initial compliance date of May 14 has been deferred two months. At its core, the rule is about giving consumers the...
