Sean E. Withall

A member of the trial bar for over 50 years, Jim has unparalleled experience and skill in preparing and presenting cases for adjudication – whether by jury, judge, arbitrator, mediator or the parties themselves. He represents Silicon Valley companies with commercial, trade secret and intellectual property issues. Jim also represents individuals in a wide variety of matters, including civil rights actions, employment disputes, family law and criminal defense.

A seasoned trial lawyer with significant experience in both state and federal courts in Santa Clara County, Bill’s expertise in representing businesses and individuals in complex civil litigation has provided clients many noteworthy results. In addition, Bill works with individuals and families in cases involving litigation such as will contests, trust disputes, and related issues. Bill is often called into family law matters when specific litigation expertise is required in cases where...

Ken D. Kumayama is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Ken D., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ken D. is held by other top lawyers in the same geographic and legal practice area.

Todd Roberts is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Todd, who practices law in Menlo Park, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Todd is held by other top lawyers in the same geographic and legal practice area.

Charles H. Packer is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Trusts and Estates. Charles H., who practices law in San Jose, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles H. is held by other top lawyers in the same geographic and legal practice area.

Jennifer Jordan McCall is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Jennifer Jordan, who practices law in Palo Alto, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer Jordan is held by other top lawyers in the same geographic and legal practice area.

Erik Olson's practice focuses on the litigation of securities, corporate governance, and intellectual property disputes, with particular emphasis on clients in the biotechnology, medical device, retail, and high-technology industries. In securities-related matters, Mr. Olson has repeatedly obtained dismissals of federal class action lawsuits under the Private Securities Litigation Reform Act and successfully defended those dismissals before the Fourth, Ninth and Tenth Circuits for numerous pr...

Dori is the Co-chair of Hopkins & Carley’s Litigation Department. She represents a wide range of clients in complex real estate, land use, and business litigation matters. Dori regularly represents developers and property owners in disputes involving: Real estate purchase and sale transactions Real estate investment fraud Commercial landlord-tenant Boundary and property lines Easements Dori also regularly appears on behalf of clients at City Council meetings, Planning Commission mee...

Quyen L. Ta is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Commercial Litigation, Litigation - Intellectual Property and Mass Tort Litigation / Class Actions - Defendants. Quyen L., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Quyen L. is held by other top lawyers in the same geographic and legal practice area.

Dan Barton has practiced criminal defense in the mid-peninsula since 1988. He received his A.B., magna cum laude, in 1983 from Brown University, where he was elected to Phi Beta Kappa and awarded the Prize for Academic Excellence in Latin American Studies. Mr. Barton received his J.D. from Stanford Law School in 1988, where his honors included induction into the Order of the Coif. Mr. Barton is a criminal law specialist certified by the California State Bar Board of Legal Specialization and a...