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Your Trusted Digital Media & Technology Law Partner
We are a specialized law firm dedicated to digital media and technology law, serving clients nationwide from our offices in San Francisco and Irvine. Our team combines deep industry expertise with a client-centric approach, functioning as an extension of our clients' internal teams to deliver tailored legal solutions. With over 15 years of experience in the Northern District of California and Ninth Circuit Court of Appeals, we provide strategic guidance on complex issues including FTC compliance, intellectual property, data privacy, and online advertising.

Our commitment to transparency ensures clients receive clear communication about costs, timelines, and risks while benefiting from innovative approaches like financial risk-sharing arrangements. We maintain lean staffing models and litigation management systems to maximize efficiency without compromising results, supported by our status as recognized thought leaders through publications, speaking engagements, and industry leadership roles.
Services
Advertising Law FTC Compliance Trademark Infringement Copyright Registrations Privacy Policies Data Protection Domain Name Disputes Online Defamation Consumer Class Action Defense Cybersecurity Law
Highlights and features
  • We function as in-house counsel with deep understanding of digital media and technology sectors
  • Our team includes recognized thought leaders in internet and technology law
  • We implement financial risk-sharing arrangements with clients through incentive-based fee structures
  • Maintain lean staffing models while achieving superior results through litigation management systems
  • Recognized for proactive client communication and transparent case updates
Services
Advertising Law
Our advertising law practice focuses on FTC compliance, false advertising defense, and regulatory guidance for digital marketing. We help clients navigate complex advertising standards while minimizing legal risks. Our team combines technical expertise with practical business solutions to ensure compliance while maintaining effective marketing strategies.
Trademark Infringement
We provide comprehensive trademark protection services including infringement litigation, domain name disputes, and brand enforcement strategies. Our experience covers both federal trademark registrations and international brand protection matters. We combine legal expertise with technological understanding to protect clients' intellectual property assets.
Privacy Policies
Our privacy policy services address CCPA, COPPA, and other data protection regulations. We help businesses develop compliant privacy frameworks while balancing operational needs. Our team stays current with evolving regulations to ensure ongoing compliance and risk mitigation for clients.
Domain Name Disputes
We handle UDRP proceedings, domain name theft cases, and cybersquatting enforcement. Our services include dispute resolution through arbitration and litigation. We help clients protect their online brand presence and resolve complex domain name conflicts efficiently.
Consumer Class Action Defense
Our class action defense practice focuses on TCPA litigation, email spam defense, and consumer protection claims. We provide strategic defense strategies tailored to each case's specific circumstances. Our experience includes both individual and class action matters involving complex regulatory frameworks.
People
Karl Kronenberger
Partner
Co-founder with extensive experience in digital media law, focusing on intellectual property protection and online advertising compliance. Active in legal technology innovation and client advocacy.
Jeffrey M. Rosenfeld
Partner
Specializes in FTC compliance and consumer protection law with significant experience in defending complex advertising and data privacy cases for technology companies.
Ginny Sanderson
Attorney
Focuses on intellectual property matters and domain name disputes with experience in UDRP proceedings and cybersquatting enforcement strategies.
Liana Chen
Attorney
Concentrates on data privacy regulations and compliance frameworks including CCPA and COPPA requirements for digital businesses and technology platforms.
Andrew Keyes
Attorney
Handles consumer class action defense and complex litigation matters with focus on TCPA compliance and electronic communications regulations.
Questions
What areas of law does Kronenberger Rosenfeld specialize in?
We specialize in digital media and technology law, including FTC compliance, intellectual property, data privacy, online advertising, domain name disputes, and cybersecurity matters.
Do you handle cases outside California?
Yes, we litigate in state and federal courts across the United States while maintaining primary offices in San Francisco and Irvine, California.
What makes your firm different from general practice law firms?
Our exclusive focus on digital media and technology law allows us to develop specialized expertise and provide more effective, efficient representation in this complex legal area.
How do you approach client communication and case updates?
We prioritize transparent communication through regular updates, clear cost estimates, and timely responses to all client inquiries using modern litigation management systems.
Can you handle urgent legal matters?
While we don't offer 24/7 emergency services, we prioritize prompt responses to urgent matters and maintain flexible scheduling for time-sensitive legal issues.
Do you offer alternative fee arrangements?
Yes, we offer financial risk-sharing arrangements including incentive-based fee structures that align our success with our clients' desired outcomes.