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Alison C. O’Sullivan
Alternate image for Alison C. O’Sullivan

Alison C. O'Sullivan

Associate

617.449.6578
Boston
aosullivan@mccarter.com

Alison O’Sullivan is a seasoned attorney who delivers multifaceted and compassionate legal services to private clients in complex personal disputes with spouses, family members, and fiduciaries. She counsels individuals and families on complicated family law, guardianship and contested estate matters. Her extensive knowledge of the law and broad experience dealing with the sensitive nature of these matters, helps to guide her clients with compassion and sensitivity through every step of the process with the ultimate goal of reaching a fair and balanced resolution as efficiently as possible.

Alison’s family law experience includes litigating complex divorce cases from inception through trial, including complicated custody, support, and property division matters. She also assists clients in managing post-judgment difficulties with former spouses, such as enforcement or modification of existing divorce judgments. Alison’s legal knowledge, experience, and empathy make her exceptionally situated to help her clients make informed decisions as they navigate through what many have described as the most difficult times of their lives.

Alison also represents clients in contested estate and trust matters, including will contests and accounting proceedings, which frequently involve claims of diminished capacity, undue influence, and breach of fiduciary duties. Her caring and straightforward approach helps her clients understand the legal process and possible outcomes of litigation to inform and manage their expectations, and to achieve a fair and reasonable resolution of their claims.

Representative Matters

Individual clients—Divorce

Representing individuals in the negotiation and implementation of complex divorce settlement agreements, including detailed parenting plans, support provisions, and division of financial assets.

Estate beneficiaries—Will contest and contested accounting litigation

Assisting estate beneficiaries in litigation of disputes with family members in connection with will contests and accounting proceedings.

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Services

Trusts, Estates & Private Clients
Tax & Employee Benefits

Education

Rutgers Law School JD, 2001
  • Articles Editor, Rutgers Law Review, 2000-2001
  • Editor, Rutgers Law Review, 1999-2000
Pennsylvania State University BA, 1997

Bar Admissions

Massachusetts
New Jersey

Memberships & Certifications

American Bar Association

New Jersey State Bar Association

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