Bill Casey practices in the area of professional liability insurance coverage and litigation. He regularly defends lawyers in legal malpractice and breach of fiduciary duty actions. His practice also involves the defense of insurers and reinsurers in complex insurance coverage actions and arbitrations.

He has advised, counseled and represented insurers and reinsurers of lawyer's professional liability policies, architect and engineer and design professional insurance policies, media and technology insurance policies, entertainment industry errors and omissions policies, contingency insurance policies, sports cancellation insurance policies, space and satellite insurance policies, project insurance policies, employment practices liability insurance policies, director's and officer's insurance policies, accountant's professional liability insurance policies, sports disability insurance policies, general liability insurance policies, property insurance policies, and judge's professional liability policies. The scope of the issues under these policies ranges from disputes in the thousands to hundreds of millions of dollars.

Bill is a regular participant in mediation and alternative dispute resolution techniques throughout California. He speaks and counsels clients on the topic of risk management and loss prevention.

Bill has been consistently recognized in Chambers USA as a leading lawyer for insurance. He has also received an "AV" peer review rating by Martindale-Hubbell.


  • California


  • J.D., Santa Clara University School of Law, 1984. Editor-in-chief of the Santa Clara Law Review.
  • A.B., Political Science, Stanford University, 1980


  • American Bar Association
  • Bar Association of San Francisco
  • Professional Liability Underwriting Society (PLUS)