Atty. Leif Thorsten Simonson

Atty. Leif Thorsten Simonson

Leif Thorsten Simonson is a lawyer practicing commercial litigation, white collar criminal defense, regulatory defense. Leif Thorsten received a A.B. degree from Harvard University in 1993, and has been licensed for 23 years.

New York New York 23 J. Erfahrung 23 year
Call (646) 797-2069 Book Appointment

Profile Summary

About Leif Thorsten Simonson at a glance

Leif Thorsten Simonson is an Attorney based in New York, New York, practicing at Kobre & Kim LLP. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on criminal defense, business, white collar, and litigation. Admitted to practice in New York (2003), U.S. District Court, Southern District of New York (2005), U.S. District Court, Eastern District of New York (2005), and U.S. Court of Appeals, Second Circuit (2007). Educated at Harvard Law School (J.D., 2002) and Harvard University (A.B., 1993). Active member of Federal Bar Association Federal Bar Council American Bar Association Minnesota State Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Leif Thorsten Simonson is a lawyer practicing commercial litigation, white collar criminal defense, regulatory defense
  • Leif Thorsten received a A.B. degree from Harvard University in 1993, and has been licensed for 23 years
  • Leif Thorsten practices at Kobre & Kim LLP in New York, NY

Practice Areas Explained

Leif Thorsten Simonson's Areas of Practice

Each practice area below reflects the types of cases Leif Thorsten Simonson 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.

Leif Thorsten Simonson is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Business & Corporate Law

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

Leif Thorsten Simonson is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

White Collar Crimes

Leif Thorsten Simonson is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in New York →

Civil Litigation

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

Leif Thorsten Simonson is one of 454,532 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 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 Leif Thorsten Simonson

Where is Leif Thorsten Simonson's law office located?
Leif Thorsten Simonson's law practice is located in New York, New York. The firm is Kobre & Kim LLP. You can contact the office directly through this profile page.
What practice areas does Leif Thorsten Simonson handle?
Leif Thorsten Simonson focuses on criminal defense, business, white collar, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has Leif Thorsten Simonson practiced law?
Leif Thorsten Simonson has 23+ years of legal experience and has been licensed since 2003.
Where did Leif Thorsten Simonson go to law school?
Leif Thorsten Simonson earned their education at (J.D., 2002); (A.B., 1993).
How can I contact Leif Thorsten Simonson for a consultation?
You can contact Leif Thorsten Simonson 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.

Education

J.D.
Harvard Law School
- 2002
A.B.
Harvard University
- 1993

Bar Admissions

New York
Admitted: 2003
U.S. District Court, Southern District of New York
Admitted: 2005
U.S. District Court, Eastern District of New York
Admitted: 2005
U.S. Court of Appeals, Second Circuit
Admitted: 2007
Minnesota
Admitted: 2009
U.S. District Court, District of Minnesota and U.S. Court of Appeals, Eighth Circuit
Admitted: 2009

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