Practical. Creative. Trusted.
We are a boutique law firm focused on helping clients navigate emerging technology and data-related legal challenges.
Our Practices
We have deep and broad experience in privacy, data security, law enforcement surveillance, e-commerce, online advertising and marketing, legal IT and related investigations, and litigation. Our attorneys’ perspectives are derived from years of relevant experience, and that depth of experience enables us to identify issues that may go unnoticed by less focused legal practitioners.
Law Enforcement & Surveillance
We advise the world’s most prominent tech companies on their rights and responsibilities in responding to requests for users' information by law enforcement, criminal defendants, and civil litigants.
Internet Gaming, Gambling, Fantasy Sports, Contests, & Sweeps
The market and the boundaries for sports betting, skill gaming, fantasy sports, and esports continues to expand exponentially. We understand that preserving a sustained, rich user experience can be as important as...
Our Practices
We have deep and broad experience in privacy, data security, law enforcement surveillance, e-commerce, online advertising and marketing, legal IT and related investigations, and litigation. Our attorneys’ perspectives are derived from years of relevant experience, and that depth of experience enables us to identify issues that may go unnoticed by less focused legal practitioners.
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.
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.
Trusted by some of the biggest names in tech.
“I have ZwillGen on speed dial ... Their deep substantive knowledge of our industry and the inner workings of start-ups enable them to offer pragmatic, actionable guidance quickly and at great value.”
–Stephanie King, Former GC, AdRoll
“Whether it’s for a deep analysis of a complicated legal issue or just to bounce ideas off of experienced outside counsel with incredible responsiveness and sound judgement, I recommend ZwillGen.”
–Belinda Johnson, Airbnb
“There isn't a single other law firm that projects as much joy as ZwillGen does.”
–Kai Lee, Oak Hill Advisors
Blog
Insights and analysis on the latest legal developments in tech and beyond.
Our Team
Get direct, practical answers — the kinds of answers that help you make decisions — from a team with years of experience.
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Daniel de Zayas
fellow
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Charlotte Kress
fellow
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Anna Hsia
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.
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Subpoena Compliance
Our subsidiary ZG Subpoena Solutions offers customized compliance solutions for companies that receive third-party requests for user data.
Learn More at zgsubpoenasolutions.com
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Diversity
As part of our ongoing commitment to diversity, we have joined the inaugural class of Diversity Lab's Mansfield Rule for Midsize Law Firms.
Learn more