Atty. Jason Mark Casella

Atty. Jason Mark Casella

Jason Mark Casella is a lawyer practicing corporate, venture law, capital markets and 3 other areas of law. Jason received a B.A. degree from State University of New York at Albany in 1996, and has been licensed for 26 years.

New York New York 26 yrs experience 26 year
Call (646) 797-2069 Book Appointment

Profile Summary

About Jason Mark Casella at a glance

Jason Mark Casella is a Partner based in New York, New York, practforg at Jenner & Block LLP. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on business, m&a, securities, and energy. Admitted to practice in New York (2000). Educated at Cornell University Law School (J.D., 1999) and State University of New York at Albany (B.A., 1996). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jason Mark Casella is a lawyer practicing corporate, venture law, capital markets and 3 other areas of law
  • Jason received a B.A. degree from State University of New York at Albany in 1996, and has been licensed for 26 years
  • Jason practices at Jenner & Block LLP in New York, NY

Practice Areas Explained

Jason Mark Casella's Areas of Practice

Each practice area below reflects the types of cases Jason Mark Casella 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.

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

Mergers & Acquisitions

Jason Mark Casella is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in New York →

Securities Law

Jason Mark Casella is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Jason Mark Casella is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practforg 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 Jason Mark Casella

Where is Jason Mark Casella's law office located?
Jason Mark Casella's law practice is located in New York, New York. The firm is Jenner & Block LLP. You can contact the office directly through this profile page.
What practice areas does Jason Mark Casella handle?
Jason Mark Casella focuses on business, m&a, securities, energy. Each practice area listed reflects experience handling cases of that type in New York.
How long has Jason Mark Casella practiced law?
Jason Mark Casella has 26+ years of legal experience and has been licensed since 2000.
Where did Jason Mark Casella go to law school?
Jason Mark Casella earned their education at (J.D., 1999); (B.A., 1996).
How can I contact Jason Mark Casella for a consultation?
You can contact Jason Mark Casella 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.
Cornell University Law School
- 1999
B.A.
State University of New York at Albany
- 1996

Bar Admissions

New York
Admitted: 2000

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