William W. Eigner

Louis Mezzullo’s principal areas of practice are Taxation, Estate and Business Succession Planning, and Employee Benefits. He was on the faculty of the University of Miami School of Law Graduate Program in Estate Planning from 2004 to 2007 and on the faculty of the University of San Diego School of Law in 2009. He was an adjunct professor of law at the University of Richmond Law School from 1978 until 2006. He is listed in Who's Who in American Law, Who's Who in Emerging Leaders and Who...

With more than 15 years of immigration law experience, Regina Knoll represents a diverse group of people and business entities. Ms. Knoll’s experience includes representing U.S. and foreign companies spanning across all sizes and industries, foreign investors, professionals, people of extraordinary ability in the arts, sciences, business, and education, religious workers, medical professionals, performers and athletes, family members of U.S. citizens and residents, victims of violence (...

Regina Petty is a partner in the San Diego and Los Angeles offices. She practices in state and federal courts at the trial and appellate levels and is experienced in multi-district and class action litigation. Regina advises employers and public agency boards and handles litigation for private and public employers. She successfully argued Jones v. The Lodge at Torrey Pines Partnership (2008) 42 Cal.4th 1158 before the California Supreme Court, a case noted on Bender's California Labor & E...

James P. Conley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. James P., who practices law in San Diego, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

Patricia Benke is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Patricia, who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia is held by other top lawyers in the same geographic and legal practice area.

Christine De Santis is a Partner at HFM and is certified as a legal specialist in family law by the State Bar of California. Ms. De Santis specializes in handling dissolution of marriage and paternity cases, child custody and visitation, child support and spousal support, and division of assets and debts, and mediations. She also handles step-parent adoptions and child support cases through the San Diego County Department of Child Support Services. Ms. De Santis has been named a San Diego Sup...

In his three decades of legal practice, Sean Coughlin has focused his practice on complex business and real estate litigation, representing commercial real estate lenders and bankruptcy litigation matters. Coughlin approaches each matter with the goal of achieving the best possible business result. Coughlin has successfully litigated, arbitrated and tried hundreds of complex disputes in state court, federal court and bankruptcy court. He is admitted to all California Courts, several U.S. Dist...

Troy Zander is the partner-in-charge of Barnes & Thornburg's San Diego office and a member of the Corporate Department. He focuses his practice on the representation of lenders and companies in documenting technology, life sciences and middle-market financing transactions, including traditional commercial leveraged debt financings, venture debt financings and bridge loans. Troy has represented agents, lenders, participants and companies in credit facilities aggregating in excess of $50 bi...

Mary R. Robberson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mary R., who practices law in San Diego, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary R. is held by other top lawyers in the same geographic and legal practice area.

In his law practice, HFM Partner Bruce O’Brien’s focuses on all aspects of federal and state taxation, with a particular emphasis on tax controversies, partnerships, limited liability companies, and business planning. Mr. O’Brien represents taxpayers before the Internal Revenue Service, Franchise Tax Board, and State Board of Equalization. He also represents clients before the United States Tax Court, and he is a certified specialist in Taxation Law. Additionally, Mr. O&rsqu...