On the forefront of Digital Media & Technology Law

As the leading internet law firm in the country, we primary solve online technology, advertising, and e-commerce legal issues. Our services help fast-paced entrepreneurs and emerging businesses navigate these swiftly-changing landscapes. See below for our complete list of practice areas.

Trademarks, copyrights & trade secrets

At Kronenberger Rosenfeld, we are savvy intellectual property lawyers, and we can bring our wealth of experience to enforce or defend your rights on the internet. Learn more about our experience in litigating complicated and tech-heavy intellectual property matters throughout the country.

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Advertising Law / FTC Compliance

Kronenberger Rosenfeld represents defendants in FTC and other government actions involving a variety of claims, including deceptive online advertising and the breach of privacy laws. We also advise clients on the implementation of thorough preventative measures to avoid FTC and AG inquires in the first place.

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Privacy & Cybersecurity

Complying with the complex web of state and federal privacy and data security laws is more important than ever, considering the increasing risk of government enforcement and consumer class actions. Our internet privacy lawyers help clients navigate this challenging legal landscape of privacy law acronyms (CCPA, GDPR, GLBA, HIPAA, etc.), with a sharp eye on our clients’ business needs. We also defend clients in government enforcement actions and class action lawsuits resulting from alleged privacy law violations and data breaches.

Internet Advertising

For over 15 years Kronenberger Rosenfeld has represented a wide variety of companies engaged in internet marketing, including affiliate marketers and networks, ad tech providers, and many different types of companies advertising over the internet. We can bring our years of experience to bear for you on your internet advertising legal matters.

Class Action Defense

Kronenberger Rosenfeld represents defendants in consumer class actions, TCPA/SMS class actions, false advertising class actions (including deficient product labeling claims), email spam class actions, and other tech and internet focused class actions.

False Advertising & Defamation

Kronenberger Rosenfeld has taken quick and decisive action for clients facing false internet advertising by their competitors. The application of internet law to the complexities of web marketing is a growing area for the firm. We also represent clients in a variety of business disparagement, defamation and speech matters, to include so-called “gripe site cases” and many different types of business defamation and trade libel disputes.

Video Game Law

Whether you are a game developer, player, streamer, advertiser, or esports league, we understand your need: to stay compliant in an industry that is changing as quickly as the hardware it’s built on. Our team of video game law experts help you level up your legal compliance while helping you protect your intellectual property rights, navigate new regulations in the U.S. and internationally, and shield against liability.

Domain Names

The core of Kronenberger Rosenfeld’s internet law practice has always involved cybersquatting matters, domain disputes, domain theft or “hijacking,” and legal services related to the management of large domain name portfolios. We also handle a variety of both pre- and post-judgment seizures of domain names and other digital assets.


Due to the presence of many major internet-based companies in the San Francisco / Silicon Valley area, Kronenberger Rosenfeld has served hundreds if not thousands of subpoenas throughout California related to litigation in other states. And the firm’s tech-savvy attorneys also enforce the subpoenas they serve, as the need arises. The firm is also frequently asked by clients to move to quash subpoenas that are unlawful, overbroad, or impinge on First Amendment rights.

International Discovery

International litigants turn to Kronenberger Rosenfeld to domesticate foreign court discovery in California due to the firm’s experience litigating internet and tech matters, and due to the firm’s location in the San Francisco Bay Area. The firm uses the federal international discovery statute (28 U.S.C. 1782), as well as California state law providing for the domestication of foreign discovery.

Anonymous Online Misconduct

Kronenberger Rosenfeld’s regular use of digital forensics in our internet law-related litigation, and our in-house investigative resources, are great benefits to our clients who are victims of anonymous internet fraud, click fraud, hacking, anonymous defamation, data breaches, impersonation, piracy or unfair competition.

Spam Law

Kronenberger Rosenfeld is one of the winningest law firms in the country for defending advertisers, ad networks and affiliates in federal and state court spam litigation, in California and in other states. We also help clients avoid litigation by providing guidance on complying with state and federal spam laws, and other regulations affecting web and mobile marketing.

Website Agreements

Kronenberger Rosenfeld crafts terms and conditions of use, privacy policies and other key website agreements. We also conduct general internet law compliance reviews of our clients’ websites and mobile apps.

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