Atty. Seth L. Marcus
Seth L. Marcus is a lawyer practicing litigation, trusts and estates, tax law and 5 other areas of law.
Litigation & More Attorney · Serving New York, NY · 31+ Years Experience
Profile Summary
About Seth L. Marcus at a Glance
Seth L. Marcus is a Member based in New York, New York, practicing at Leffler Marcus & McCaffrey LLC. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on trusts, estate planning, business, tax, and litigation. Admitted to practice in New York (1995) and U.S. Tax Court and U.S. District Court, Southern and Eastern Districts of New York (1996). Educated at George Washington University (J.D., 1994) and Colgate University (B.A., 1991). Serves clients in New York, NY and the surrounding metropolitan area.
Get Legal Help from Seth L. Marcus in New York
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About Seth L. Marcus
- Seth L. Marcus is a lawyer practicing litigation, trusts and estates, tax law and 5 other areas of law
- Seth received a B.A. degree from Colgate University in 1991, and has been licensed for 31 years
- Seth practices at Leffler Marcus & McCaffrey LLC in New York, NY
Practice Areas Explained
Seth L. Marcus's Areas of Legal Practice
Each practice area below reflects the types of cases Seth L. Marcus handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.
Trusts in New York
Seth L. Marcus is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in New York →
Estate Planning & Probate in New York
An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.
Seth L. Marcus is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →
Business & Corporate Law in New York
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Seth L. Marcus is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →
Tax Law in New York
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Seth L. Marcus is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in New York →
Civil Litigation in New York
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Seth L. Marcus is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in New York →
Jurisdictional Context
Why Local Counsel Matters in New York
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 New York 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.
New York Courts and Legal Process
Choosing a New York-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 New York or all attorneys in New York.
Frequently Asked
Common Questions About Seth L. Marcus
Where is Seth L. Marcus's law office located?
What practice areas does Seth L. Marcus handle?
How long has Seth L. Marcus practiced law?
Where did Seth L. Marcus go to law school?
How can I contact Seth L. Marcus for a consultation?
Professional Profile
Why Clients in New York Choose Seth L. Marcus
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 Seth L. Marcus's practice in the field of trusts, estate planning, business, tax, and litigation.
Decade-Tested Legal Experience
Seth L. Marcus brings 31+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in New York and U.S. Tax Court and U.S. District Court, Southern and Eastern Districts of New York, Seth L. Marcus can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering trusts, estate planning, and business, Seth L. Marcus can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in New York
A New York-based practice means Seth L. Marcus 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 Seth L. Marcus Handles in New York
Below is a representative sample of the types of matters Seth L. Marcus 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 Seth L. Marcus directly to discuss the specifics of your situation.
Search Reference
How People Find Seth L. Marcus Online
Prospective clients searching for legal help in New York commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Seth L. Marcus.
If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Seth L. Marcus directly.
Seth L. Marcus's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — Seth L. Marcus
No reviews yet.