Snell & Wilmer L.L.P.Partner

William S. O'Hare

About William S. O'Hare

William S. O'Hare is a lawyer practicing class action litigation, commercial litigation, false claims act and 5 other areas of law. William received a A.B. degree from Loyola University of Maryland in 1974, and has been licensed for 48 years. William practices at Snell & Wilmer L.L.P. in Costa Mesa, CA.

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Services

Areas of Law

  • Commercial Litigation
  • Other 7
    • Class Action Litigation
    • False Claims Act
    • Franchise Litigation
    • Intellectual Property Litigation
    • Professional Liability Litigation
    • Retail and Franchising
    • Trust and Estate Litigation

Practice Details

  • Firm Information
    Position
    Partner
    Firm Name
    Snell & Wilmer L.L.P.
  • Representative Cases & Transactions
    Cases
    Representative Experience: Corporate
    Partnership Litigation: Lead trial counsel in three-month jury trial
    on appeal in defense of shareholder claims relating to IPO against internet ticketing
    ticketing software company
    Defense of involuntary dissolution
    derivative claims against medical device company
    Defense of shareholder derivative
    direct action against regional refrigeration supply company
    Lead trial counsel in defense of involuntary dissolution
    derivative claims brought by dissenting shareholders of self-storage business
    Lead trial counsel in two-month jury trial in defense of claim of oral partnership in commercial, hotel,
    residential properties
    Counsel for plaintiff limited partners in California action against general partner for breach of fiduciary duty
    dissolution in connection with industrial real estate partnership
    Lead trial counsel for general partner in arbitration hearings in Miami in defense of claims by investors in real estate partnership
    Prosecution of California action to enforce director inspection rights
    appointment of provisional director
    Lead trial counsel in California jury trial for plaintiff partners against general partners for breach of contract
    fiduciary duty in connection with sale of hotel properties
    Franchise
    Distribution Litigation: Lead trial counsel in JAMS arbitration hearings in New York
    New Jersey to enforce franchisor's claims against regional franchisee for ab
    onment of franchise
    Lead trial counsel for global electronics distributor in two-month jury trial in San Francisco in defense of fraud
    contract action relating to distribution of computer memory products
    Lead trial counsel in California trial in defense of franchisee claim of territorial encroachment
    Lead trial counsel in California jury trial in defense of Japanese printing press manufacturer against claims brought by U.S. distributor
    Defense of multiple nationwide class actions in Los Angeles federal court, on appeal to Ninth Circuit,
    in arbitration brought by participants in multilevel marketing apparel company
    Prosecution of actions in California
    Pennsylvania federal courts
    on appeal to Third
    Ninth Circuits to enforce franchisor's right of first refusal
    Prosecution of action under Lanham Act
    for unfair business practices to enjoin nationwide telemarketing investment scam
    infringement of marks of national franchisor
    Defense of action in New Jersey state court to enjoin territorial expansion by California-based franchisor
    Prosecution of interference action in federal court in Maryl

    on appeal to Fourth Circuit against competitor of national franchise system
    Prosecution of actions on behalf of franchisors to enforce franchise contract including actions regarding termination, ab
    onment,
    collection of royalties
    Intellectual Property, Unfair Competition,
    Trade Secret Litigation: Lead trial counsel for plaintiff in jury trial in patent infringement action in San Diego federal court concerning water park attractions
    Lead trial counsel for defendant university in trial of trademark lawsuit in Tennessee federal court
    Prosecution of claim in Los Angeles federal court arising out of product development
    licensing agreement for plasma display power supply
    Defense of consumer class actions
    unfair business practices actions involving automotive retailing, education,
    childcare businesses
    Lead trial counsel in California jury trial in defense of claims arising out of patent sale
    licensing agreement brought by founder of dental products corporation against current management
    shareholders
    Defense of copyright
    VARA actions brought by artists against distributor of decorative
    fine art
    Prosecution of unfair competition, trade secret,
    breach of fiduciary duty claims against former officer of Northwest regional company engaged in escrow accounting
    software business
    Prosecution of Lanham Act claims arising out of wrongful use of internet domain names
    Prosecution
    defense of Lanham Act claims in Los Angeles federal court arising out of disputed use of service marks in connection with real estate sales
    property management
    Co-counsel prosecuting
    defending patent infringement cases in federal courts in California
    Minnesota involving medical devices
    LED lighting
    displays
    Employment Litigation: Lead trial counsel in one-month jury trial in Santa Barbara in defense of 'whistle blower' lawsuit arising out of ranching operations of Chicago-based company
    Lead trial counsel in jury trial in defense of wrongful termination
    breach of contract actions by officers of clean room system manufacturer
    Defense of global distributor of electronic components in wrongful termination lawsuit
    Defense of sexual harassment
    discrimination actions on behalf of restaurant
    retail clients
    Defense of ERISA actions in state
    federal courts in Los Angeles brought by employees of Southwest regional distributor of heating
    air conditioning equipment
    Trust
    Probate Litigation: Lead trial counsel for defendant trustees in California Probate Court trial on breach of fiduciary duty claims by beneficiaries
    Lead trial counsel for beneficiary in California Probate Court trial against trustee for improper allocation of estate taxes
    Defense of institutional trustee in multiple actions in California Probate Court
    general civil courts by beneficiary alleging improper administration of trust
    Prosecution of claims in California Probate Court by beneficiary alleging breach of fiduciary duty by trustees of complex trust whose assets include industrial coating business
    Prosecution of claims in California Probate Court by beneficiaries alleging dissipation of trust assets by trustee
    Defense of national law firm
    estate planning lawyers in professional liability lawsuits
    Representation of institutional
    individual trustees on petitions for instructions in California Probate Court
    Lead trial counsel in California jury trial
    on appeal (
    subsequent North Carolina bankruptcy court trial) for conservator to recover funds stolen from incapacitated conservatee
    Other Business Litigation: Defense of Orange County hospitality non-profit in malicious prosecution action,
    on appeal from anti-SLAPP motion
    Defense of public employee retirement administrator in class action lawsuits in San Francisco
    Los Angeles brought by Northern California school district
    employees
    Prosecution of action in federal court in Fresno to recover damages for breach of warranty on sale of agricultural optical sorting equipment
    software
    Defense of mortgage loan fraud claims brought by institutional mortgage purchasers against national title company
    Defense of malicious prosecution actions in Los Angeles
    Miami on behalf of title company
    national law firm
    Lead trial counsel in arbitration hearing in defense of bridge contractor for Los Angeles public work on claims brought by steel fabricator
    Defense of national law firm in California malicious prosecution action by former defendant in trade secrets lawsuit
    Lead trial counsel for defendant manufacturers in multiple California jury trials on product liability claims

Experience

  • Bar Admission & Memberships
    Admissions
    1978, Supreme Court of California
    United States District Court, All Districts of California
    United States District Court, District of Colorado
    United States Court of Appeals, Federal Circuit
    United States Court of Appeals, Fourth Circuit
    United States Court of Appeals, Ninth Circuit
    United States Court of Appeals, Third Circuit
    Memberships

    Professional Memberships and Activities

    •American College of Trial Lawyers, fellow
    •Ninth Circuit Judicial Conference, Lawyer Representative (1992-1997)
    •Orange County Bar Association
    •Business Litigation Section, Chair (1991)
    •Board of Directors (1990-1997)
    •Masters Division, Board Member (2011-2018)
    •Resolutions Committee & Conference of Delegates (1985-1995)
    •Chair (1989-1990), Vice Chair (1988)
    •Orange County Bar Foundation
    •Director (1993-present)
    •President (2002)
    •State Bar of California
    •Section on Litigation
    •American Bar Association
    •Section on Litigation, Forum on Franchising
    •State Bar of California
    •Conference of Delegates (1985-1995), Delegation Chair (1989-1990)
    •Orange County Superior Court Civil Case Management Committee, Lawyer Member (1992-2000)
    •Federal Bar Association
    •Association of Business Trial Lawyers

  • Education & Certifications
    Law School
    University of California, Hastings College of the Law
    J.D.
    1978 Order of the Coif

    University of California, Hastings College of the Law
    J.D.
    Thurston Society
    Other Education
    Loyola University of Maryland
    Class of 1974
    A.B.
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