Karl Stephen Kronenberger

Contact: 415.955.1155
Law School: Univ of Cincinnati COL
Jurisdictions: California
New York


About Karl Stephen Kronenberger
Karl Kronenberger is a partner in the San Francisco law firm of Kronenberger Rosenfeld, LLP. He is an intellectual property litigator and transactional attorney, and his sole and exclusive focus is on Internet, media and e-commerce disputes and transactions.

Karl has spoken as an Internet law expert on national television news programs such as MSNBC and ABC News, and he has appeared on various industry panels.
Directory Practice Areas
  • Business Law
  • Intellectual Property
Jurisdictions Admitted to Practice
New York
Professional Experience
Partner, Kronenberger Rosenfeld, LLP
On issues relating to Internet law, media & technology, Karl Kronenberger is an indispensable asset and trusted advisor for his clients. Karl has spoken as an Internet law expert on national television news programs and on industry panels, and he dedicates his entire practice to legal issues relating to the Internet. This former prosecutor and Army JAG Corps officer is both aggressive and creative in solving problems, while maintaining the highest of ethical standards. Karl is a seasoned litigator of Internet-related legal issues. Among the many types of cases he has litigated, he has filed a multitude of Internet domain name cases in the tech-heavy Northern District of California as well as in other states. Karl has also litigated a variety of trademark infringement, trade secret and defamation cases relating to Internet matters in both state and federal courts. Karl thrives on litigating matters where the legal terrain is uncharted, as is often the case in the realm of Internet disputes. Karl has also handled many types of transactions and business disputes for services, technology and media companies. Also, as a former general counsel to several companies, Karl has handled many of the day-to-day legal issues that both technology and non-technology companies face, from intellectual property issues, to licensing and distribution agreements, to employee matters, to vendor agreements, to domain name disputes.
Attorney, Captain, U.S. Army Judge Advocate General's Corp
Univ of Cincinnati COLLaw Degree
Univ of Notre DameUndergraduate Degree
Northern California Super Lawyers, Super Lawyers
Inducted as Colonel, Honorable Order of Kentucky Colonels
Inducted, The Order of the Barristers
Professional Associations
Member, California State Bar


Website: Website


150 Post Street
Ste. 520
San Francisco, CA 94108
Telephone: 415.955.1155 Ext. 114
Telephone: 415.955.1155 Ext. 114
Fax: 415.955.1158