Sean O’Connor

Sheppard, Mullin, Richter & Hampton LLP

Sean P. O’Connor is the Managing Partner of the Orange County office. He practices in the firm’s Business Trial and the Real Estate and Land Use Litigation Practice Groups. Mr. O’Connor is one of the more experienced trial attorneys in the firm, and his practice concentrates on general business litigation with an emphasis on real estate litigation, eminent domain, business torts/contracts, securities litigation, professional liability, land use litigation and complex class action litigation.

He currently serves as head of the firm’s Real Estate Litigation Practice Team. Mr. O’Connor has represented a variety of large and small businesses, property owners, developers, lenders and law firms in virtually all aspects of litigation. He has conducted numerous trials and arbitrations, including serving as lead trial counsel in both jury and bench trials.

He has handled appeals in both the state and federal appellate courts. Additionally, Mr. O’Connor has handled disputes between oil companies and service station retailers including disputes arising from the Petroleum Marketing Practices Act.

Mr. O’Connor is a Board Member and Past President of the Association of Business Trial Lawyers. He has also served as a Board Member of the Orange County Federal Bar Association and is member of the Orange County Bar Association’s Business Litigation Section.

Representative Matters:

  • He was lead trial counsel for Yucaipa Valley Acres Golf Course in a breach of contract action against Yucaipa Valley Water District. After a two week jury trial, the jury awarded his client every penny demanded.
  • He was trial counsel for City of Anaheim in action against Angels baseball team to remove “Los Angeles” from team name.
  • He was lead trial counsel for X10 Wireless Technology Inc. in three week jury trial involving internet advertising and claims for unfair business practices, intentional interference with contractual relations, and fraud.
  • He was lead trial counsel defending individual in embezzlement action brought against client by privately held company. Case settled on first day of trial, with plaintiff dismissing client from action and paying for client’s attorney’s fees.
  • Represented Chevron in eminent domain action against City of Elk Grove regarding City’s taking of Chevron service station. The case settled for more than $1 million more than City’s offer.
  • Represented Chevron in eminent domain action against City of Garden Grove regarding City’s taking of Chevron service station. The case settled for more than $1.5 million more than City’s offer.
  • Represented Pacific Mercantile Bank in class against suit regarding alleged violations in Federal Truth in Lending Act. Defeated plaintiffs’ motion to certify class, effectively ending case.
  • Represented prominent law firm in legal malpractice action arising from client’s advice on real estate development project.

Education:

  • J.D., University of California, Hastings, 1991
  • B.A., University of California, Los Angeles, 1987, cum laude

Cost

Rate : $$$$

What types of cases Attorney Sean O'Connor & Sheppard, Mullin, Richter & Hampton LLP can handle?
Sheppard, Mullin, Richter & Hampton LLP can handle cases related to laws concerning Real Estate, Litigation, Contracts, Construction, Business, Land Use & Zoning, Project & Equipment Finance, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Sheppard, Mullin, Richter & Hampton LLP located?
Sheppard, Mullin, Richter & Hampton LLP is located at 650 Town Center Dr, Costa Mesa, CA 92626, USA. You can reach out to Sheppard, Mullin, Richter & Hampton LLP using their phone line 714.424.2846. You can also check their website sheppardmullin.com or email them at [email protected].
How much would it cost to hire Sheppard, Mullin, Richter & Hampton LLP?
Sean O'Connor lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Sheppard, Mullin, Richter & Hampton LLP
Town Center Drive 650
Costa Mesa 92626 CA US
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Lina Stillman

5.0
Broadway 42
New York 10006 NY US
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