Atty. John Paul Schnapper-Casteras

Atty. John Paul Schnapper-Casteras

John Paul Schnapper-Casteras is a lawyer practicing commercial, appellate, complex commercial litigation. John received a degree from Harvard Kennedy School - John F.

Washington Washington 16 yrs experience 16 year
Call (771) 220-6192 Book Appointment

Profile Summary

About John Paul Schnapper-Casteras at a glance

John Paul Schnapper-Casteras is an Associate based in Washington, District of Columbia, practicing at Sidley Austin Llp. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on business, litigation, and appellate. Admitted to practice in New York (2010), U.S. Court of Appeals, Fourth Circuit (2011), and District of Columbia (2012). Educated at Stanford University (J.D., 2009) and Harvard Kennedy School - John F. Kennedy School of Government (M.P.P. Stanford, 2009). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Paul Schnapper-Casteras is a lawyer practicing commercial, appellate, complex commercial litigation
  • John received a degree from Harvard Kennedy School - John F. Kennedy School of Government in 2009, and has been licensed for 16 years
  • John practices at Sidley Austin LLP in Washington, DC

Practice Areas Explained

John Paul Schnapper-Casteras's Areas of Practice

Each practice area below reflects the types of cases John Paul Schnapper-Casteras 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.

John Paul Schnapper-Casteras is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Civil Litigation

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

John Paul Schnapper-Casteras is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John Paul Schnapper-Casteras is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about John Paul Schnapper-Casteras

Where is John Paul Schnapper-Casteras's law office located?
John Paul Schnapper-Casteras's law practice is located in Washington, District of Columbia. The firm is Sidley Austin Llp. You can contact the office directly through this profile page.
What practice areas does John Paul Schnapper-Casteras handle?
John Paul Schnapper-Casteras focuses on business, litigation, appellate. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John Paul Schnapper-Casteras practiced law?
John Paul Schnapper-Casteras has 16+ years of legal experience and has been licensed since 2010.
Where did John Paul Schnapper-Casteras go to law school?
John Paul Schnapper-Casteras earned their education at (J.D., 2009); (M.P.P. Stanford, 2009).
How can I contact John Paul Schnapper-Casteras for a consultation?
You can contact John Paul Schnapper-Casteras 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.
Stanford University
- 2009
M.P.P. Stanford
Harvard Kennedy School - John F. Kennedy School of Government
- 2009

Bar Admissions

New York
Admitted: 2010
U.S. Court of Appeals, Fourth Circuit
Admitted: 2011
District of Columbia
Admitted: 2012

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