Harry Chamberlain is a Shareholder of Buchalter, an Am Law 150 firm with a dozen U.S. offices. For over 40 years, he has served as trial and appellate counsel on behalf of Fortune 500 companies, and a variety of public and private sector clients in complex litigation matters. He is certified as an Appellate Specialist by the California State Bar Board of Legal Specialization, arguing hundreds of appeals, including numerous cases before the California Supreme Court and the highest state and federal courts across the country. His First Amendment practice has produced significant precedents defining the law of defamation, trade libel and constitutional privileges.

Before joining Buchalter, Harry was general counsel for California-based professional liability insurers, and he managed the law department of a national group of commercial insurance and financial service companies. He is past president of California Defense Counsel and the Association of Southern California Defense Counsel, preeminent associations of civil trial and appellate lawyers. He writes and lectures widely on topics concerning complex litigation, the First Amendment and constitutional law.

Honors and Recognitions

  • State Bar of California Certified Specialist–Appellate Law
  • Super Lawyers–2005 to Present
  • Best Lawyers in America, Appellate Practice, 2023-2025
  • Best Lawyers in America, Insurance Law, 2025
  • Sacramento Magazine’s Top Lawyer, Appellate Law, 2023
  • AV Preeminent Rated By Martindale-Hubbell

Additional Specialties

First Amendment and Constitutional Law
Defamation, Trade Libel
Trade Secrets, Unfair Competition
Regulatory and Legislative Practice
Employment Law
Insurance Law
Products Liability & Mass Tort Ligation
Professional Responsibility
Complex Litigation, Class Actions