biography

Government Litigation

Broker-Dealer

Federal Litigation

Commercial Litigation

Constitutional Law

Appellate

Through his many years of litigation experience, Ken Mennemeier sees a common thread in his work. “No matter what the legal issue, I recognize that I am protecting both the reputation and the business of each client.” Whether a client is a securities broker-dealer firm in arbitration, a government entity in litigation, or start-up business accused of misappropriating trade secrets, Ken knows that he is defending each client’s judgment and integrity. more...

• In re Marriage Cases, 43 Cal. 4th 757 (2008), represented Governor Arnold Schwarzenegger in defending the constitutionality of state statutes that define marriage as a union between a man and a woman.
• Proposition 83 Cases, representing Governor Arnold Schwarzenegger and the California Department of Corrections and Rehabilitation in numerous state and federal court actions challenging the constitutionality of Proposition 83 (also known as the Sexual Predator Punishment and Control Act: Jessica’s Law), which prohibits registered sex offenders from living near schools or parks where children regularly gather. more...