Atty. Mark L. Seiden

Atty. Mark L. Seiden

Mark L. Seiden is a lawyer practicing ethics & professional responsibility, surety law, architects & engineers and 10 other areas of law.

Woodbury Woodbury 40 yrs experience 40 year
Call (631) 490-4084 Book Appointment

Profile Summary

About Mark L. Seiden at a glance

Mark L. Seiden is a Partner based in Woodbury, New York, practicing at Milber Makris Plousadis & Seiden, LLP. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on business, construction, litigation, and environmental. Admitted to practice in New York (1986), U.S. District Court, Southern District of New York (1986), U.S. District Court, Eastern District of New York (1986), and U.S. District Court, District of New Jersey and U.S. Court of Appeals, Federal Circuit (1987). Educated at Fordham University (J.D., 1985) and Cornell University (B.S., 1982). Recognitions include AV Preeminent. Serands clients in Woodbury, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark L. Seiden is a lawyer practicing ethics & professional responsibility, surety law, architects & engineers and 10 other areas of law
  • Mark received a B.S. degree from Cornell University in 1982, and has been licensed for 40 years
  • Mark practices at Milber Makris Plousadis & Seiden, LLP in Woodbury, NY

Practice Areas Explained

Mark L. Seiden's Areas of Practice

Each practice area below reflects the types of cases Mark L. Seiden handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark L. Seiden is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Construction Law

Mark L. Seiden is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in New York →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark L. Seiden is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Mark L. Seiden is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 Woodbury 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 andnue, 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.

Looking for additional New York attorneys? Browse all attorneys in Woodbury or all attorneys in New York.

Frequently Asked

Common questions about Mark L. Seiden

Where is Mark L. Seiden's law office located?
Mark L. Seiden's law practice is located in Woodbury, New York. The firm is Milber Makris Plousadis & Seiden, LLP. You can contact the office directly through this profile page.
What practice areas does Mark L. Seiden handle?
Mark L. Seiden focuses on business, construction, litigation, environmental. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark L. Seiden practiced law?
Mark L. Seiden has 40+ years of legal experience and has been licensed since 1986.
Where did Mark L. Seiden go to law school?
Mark L. Seiden earned their education at (J.D., 1985); (B.S., 1982).
How can I contact Mark L. Seiden for a consultation?
You can contact Mark L. Seiden directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mark L. Seiden received?
Mark L. Seiden's notable recognition includes: AV Preeminent.

Education

J.D.
Fordham University
- 1985
B.S.
Cornell University
- 1982

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1986
U.S. District Court, Southern District of New York
Admitted: 1986
U.S. District Court, Eastern District of New York
Admitted: 1986
U.S. District Court, District of New Jersey and U.S. Court of Appeals, Federal Circuit
Admitted: 1987
New Jersey
Admitted: 1987
U.S. Court of Appeals, Third Circuit
Admitted: 1989
U.S. District Court, Northern District of New York
Admitted: 1993
U.S. Court of Appeals, Second Circuit
Admitted: 1994
Massachusetts
Admitted: 1994
U.S. District Court, Western District of New York
Admitted: 2001

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