Atty. Patrick John O'Sullivan
Patrick John O'Sullivan is a lawyer practicing real estate law, trusts and estates law, corporate law and 2 other areas of law. Patrick received a B.A. degree from Fordham University in 1985, and has been licensed for 36 years.
Corporate Law & More Attorney · Serving White Plains, NY · 36+ Years Experience
Profile Summary
About Patrick John O'Sullivan at a Glance
Patrick John O'Sullivan is a Member based in White Plains, New York, practicing at Keane & Beane, P.C.. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on trusts, estate planning, business, and real estate. Admitted to practice in New York (1990). Educated at Fordham University (J.D., 1989) and Fordham University (B.A., 1985). Active member of The Association of the Bar of the City of New York Westchester County and New York State Bar Associations. Serves clients in White Plains, NY and the surrounding metropolitan area.
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About Patrick John O'Sullivan
- Patrick John O'Sullivan is a lawyer practicing real estate law, trusts and estates law, corporate law and 2 other areas of law
- Patrick received a B.A. degree from Fordham University in 1985, and has been licensed for 36 years
- Patrick practices at Keane & Beane, P.C. in White Plains, NY
Practice Areas Explained
Patrick John O'Sullivan's Areas of Legal Practice
Each practice area below reflects the types of cases Patrick John O'Sullivan handles, with a practical overview of what that area of law involves and how it may apply to your situation in White Plains.
Trusts in White Plains
Patrick John O'Sullivan is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in New York →
Estate Planning & Probate in White Plains
An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.
Patrick John O'Sullivan is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →
Business & Corporate Law in White Plains
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Patrick John O'Sullivan is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →
Real Estate Law in White Plains
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Patrick John O'Sullivan is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in New York →
Jurisdictional Context
Why Local Counsel Matters in White Plains
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in White Plains are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
White Plains Courts and Legal Process
Choosing a White Plains-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional New York attorneys? Browse all attorneys in White Plains or all attorneys in New York.
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Professional Profile
Why Clients in White Plains Choose Patrick John O'Sullivan
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Patrick John O'Sullivan's practice in the field of trusts, estate planning, business, and real estate.
Decade-Tested Legal Experience
Patrick John O'Sullivan brings 36+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering trusts, estate planning, and business, Patrick John O'Sullivan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in White Plains
A White Plains-based practice means Patrick John O'Sullivan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Patrick John O'Sullivan Handles in White Plains
Below is a representative sample of the types of matters Patrick John O'Sullivan has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Patrick John O'Sullivan directly to discuss the specifics of your situation.
Search Reference
How People Find Patrick John O'Sullivan Online
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Patrick John O'Sullivan's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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