Atty. Jacques Semmelman

Atty. Jacques Semmelman

Jacques Semmelman is a lawyer practicing commercial litigation and arbitration, criminal defense and government investigations, intellectual property and 6 other areas of law. Jacques received a B.S. degree from Columbia University School of Engineering and Applied Science, and has been licensed for 42 years.

New York New York 42 yrs experience 42 year
Call (917) 997-8183 Book Appointment

Profile Summary

About Jacques Semmelman at a glance

Jacques Semmelman is a Partner based in New York, New York, practicing at Katten Muchin Rosenman LLP. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on criminal defense, ip, litigation, adr, and international. Admitted to practice in New York (1984), New Jersey (1984), U.S. District Court, Southern and Eastern Districts of New York and U.S. District Court, District of (1984), and U.S. Court of Appeals, Second Circuit (1986). Educated at Harvard University J.D. Mathematics Harvard University J.D. Applied Mathematics Harvard University J.D. cum laude (—) and Columbia University School of Engineering and Applied Science B.S. Harvard University A.M. Mathematics Harvard University A.M. Applied Mathematics Harvard University A.M. cum laude Harvard Un (—). Recognitions include AV Preeminent. Active member of The Association of the Bar of the City of New York Federal Bar Council National Association of Criminal Defense Lawyers and American Society of International Law. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jacques Semmelman is a lawyer practicing commercial litigation and arbitration, criminal defense and government investigations, intellectual property and 6 other areas of law
  • Jacques received a B.S. degree from Columbia University School of Engineering and Applied Science, and has been licensed for 42 years
  • Jacques practices at Katten Muchin Rosenman LLP in New York, NY

Practice Areas Explained

Jacques Semmelman's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Jacques Semmelman is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Jacques Semmelman is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Civil Litigation

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

Jacques Semmelman is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Jacques Semmelman is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in New York →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Jacques Semmelman is one of 40,133 international attorneys indexed nationally. Browse international 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 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 New York or all attorneys in New York.

Frequently Asked

Common questions about Jacques Semmelman

Where is Jacques Semmelman's law office located?
Jacques Semmelman's law practice is located in New York, New York. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Jacques Semmelman handle?
Jacques Semmelman focuses on criminal defense, ip, litigation, adr, international. Each practice area listed reflects experience handling cases of that type in New York.
How long has Jacques Semmelman practiced law?
Jacques Semmelman has 42+ years of legal experience and has been licensed since 1984.
Where did Jacques Semmelman go to law school?
Jacques Semmelman earned their education at (—); (—).
How can I contact Jacques Semmelman for a consultation?
You can contact Jacques Semmelman 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 Jacques Semmelman received?
Jacques Semmelman's notable recognition includes: AV Preeminent.

Education

Harvard University J.D. Mathematics Harvard University J.D. Applied Mathematics Harvard University J.D. cum laude
- In Progress
Columbia University School of Engineering and Applied Science B.S. Harvard University A.M. Mathematics Harvard University A.M. Applied Mathematics Harvard University A.M. cum laude Harvard Un
- In Progress

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1984
New Jersey
Admitted: 1984
U.S. District Court, Southern and Eastern Districts of New York and U.S. District Court, District of
Admitted: 1984
U.S. Court of Appeals, Second Circuit
Admitted: 1986
U.S. Court of Appeals, District of Columbia Circuit
Admitted: 2001
U.S. District Court, District of Colorado
Admitted: 2006
Pennsylvania
Admitted: 2008
U.S. Court of Appeals, Federal Circuit
Admitted: 2008

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