William S. O'Hare
About William S. O'Hare
William S. O'Hare is a lawyer based in Costa Mesa, CA and has been recognized in The Best Lawyers in America® since 2005. William S. O'Hare is recognized in the following practice areas:
- Costa Mesa, California
- Bet-the-Company Litigation
- Commercial Litigation
- Litigation - Intellectual Property
- Litigation - Trusts and Estates
Current Firm: Snell & Wilmer LLP
Education: University of California Hastings College of the Law, J.D., graduated 1978
Location: Costa Mesa, CA
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Born and raised as the only Chinese-American on the French Caribbean island of Saint Martin where his family still calls home, Alex had brief stints throughout the Caribbean and South America where he attended schools taught only in French, Spanish, and Papiamento. Alex eventually migrated to the United States and earned his undergraduate degree from California Polytechnic State University, San Luis Obispo, and his Juris Doctorate in Virginia from George Mason University School of Law, a Tier...
Clare Lucich is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Clare practices law in Newport Beach, California Best Lawyers has recognized Clare Lucich since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Clare Lucich is held by other lawyers.
Michael A. Penn is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael A. practices law in Santa Ana, California Best Lawyers has recognized Michael A. Penn since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael A. Penn is held by other lawyers.
Brian J. McCormack is an experienced trial attorney and a principal at Callahan & Blaine. His practice focuses on high-stakes, complex civil and business litigation, traumatic brain and spine injury, personal injury, wrongful death and product liability litigation. Mr. McCormack’s history of outstanding results have earned him a reputation for excellence among both clients and peers. He has been recognized as one of the Best Lawyers in America, one of the Top 50 Attorneys in Orange ...
Todd R. Wulffson is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Todd R. practices law in Irvine, California Best Lawyers has recognized Todd R. Wulffson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Todd R. Wulffson is held by other lawyers.
Vince W. Finaldi is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Vince W. practices law in Irvine, California Best Lawyers has recognized Vince W. Finaldi since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Vince W. Finaldi is held by other lawyers.
Dan Goldman represents individuals and businesses in complex civil litigation , commercial litigation, and government investigations. Based in San Clemente, California, and practicing with Bienert Katzman Littrell Williams LLP , Dan handles high-stakes disputes involving securities and derivative litigation, antitrust matters, contract disputes, business torts, and other complex commercial matters. He represents both plaintiffs and defendants in multi-million-dollar cases across a range of in...
Gerard Mooney is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Gerard practices law in Irvine, California Best Lawyers has recognized Gerard Mooney since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gerard Mooney is held by other lawyers.
Michael A. Gregg is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. Michael A. practices law in Irvine, California Best Lawyers has recognized Michael A. Gregg since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael A. Gregg is held by other lawyers.
Ronald Oines is a lawyer recognized by Best Lawyers in the practice area of Litigation - Intellectual Property. Ronald practices law in Irvine, California Best Lawyers has recognized Ronald Oines since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ronald Oines is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
2027 Best Lawyers Awards in Brazil, Mexico, Portugal and Spain
by Jamilla Tabbara
Explore key findings from the awards, including recognition figures and emerging legal talent.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
Inside the 2027 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
A closer look at the research process, methodology and key statistics behind the 2027 editions.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.
How Peer Review Works: Best Lawyers Methodology Explained
by Jamilla Tabbara
Understanding the independent, data-driven framework that defines professional legal standing.