The Federal Court System vs. New York State Courts: Key Differences Every New Yorker Should Know

A New York criminal matter is not “federal” merely because conduct crossed a county line, a federal agent asked questions, or an electronic message traveled through another state. Federal prosecutors must charge an offense Congress made federal and establish its jurisdictional elements. New York prosecutors charge offenses under state law. Some conduct can violate both systems, but the charges, forum, procedure, detention analysis, discovery and sentencing rules must be identified from the actual papers.

If an FBI, DEA, IRS-CI, HSI, ATF or Postal Inspection Service agent contacts you, or if you receive a federal subpoena, warrant, target letter, complaint or indictment, preserve the complete document and do not give a substantive explanation before obtaining advice. For a New York arrest, keep the appearance ticket, complaint, release conditions and next court date. Call 646 663 4430 or request a free consultation with Lebedin Kofman LLP.

Federal and New York courts are separate systems

The Constitution and acts of Congress define the federal judiciary's authority. Federal district courts are trial courts of limited jurisdiction. In a federal criminal case, the United States, ordinarily through a United States Attorney's Office, prosecutes an alleged violation of federal law. The official federal judiciary guide explains that a grand jury reviews evidence presented by the government and decides whether there is sufficient basis to require a person to stand trial.

New York courts derive authority from the state constitution and statutes. Local criminal courts handle arraignments, misdemeanors and preliminary felony proceedings within their jurisdiction. Felony prosecutions may proceed in Supreme Court or County Court after an indictment or another authorized superior-court accusatory instrument. New York's Supreme Court is principally a trial court; the Court of Appeals is the state's highest court.

The investigating agency does not always identify the eventual forum. State and federal agencies can work together, and one investigation can produce state charges, federal charges, both or no charge. The complaint, indictment, statute numbers, prosecutor and court caption provide the reliable answer.

EDNY, SDNY and New York venue

The Eastern District of New York includes Kings, Nassau, Queens, Richmond and Suffolk Counties. Criminal matters are heard in Brooklyn and Central Islip. The Southern District of New York includes New York, Bronx, Westchester, Rockland, Putnam, Orange, Dutchess and Sullivan Counties, with courthouses including Manhattan and White Plains. Appeals from both districts ordinarily go to the United States Court of Appeals for the Second Circuit.

State venue depends on New York's Criminal Procedure Law and the facts connecting the offense to a county. New York City felony matters ordinarily proceed in the Supreme Court of the relevant borough. Nassau and Suffolk felony matters ordinarily proceed in their County Courts. The courthouse does not change statutory elements, and no district or county produces a guaranteed outcome.

What can make conduct a federal crime?

A federal prosecution requires a federal offense and proof of its elements. Examples can include mail or wire fraud, bank fraud, federal-program fraud, tax crimes, interstate drug distribution, firearms offenses, immigration crimes, public corruption, racketeering and child exploitation. Each statute has its own jurisdictional language. Using a telephone or the internet does not by itself prove wire fraud, and crossing state lines is not a universal requirement for every federal offense.

New York courts handle most criminal cases, including many assaults, thefts, burglaries, domestic allegations, impaired-driving charges and drug offenses. The same event may implicate both federal and state statutes. Under the separate-sovereigns doctrine, the Double Jeopardy Clause does not categorically bar successive state and federal prosecutions for the same conduct. That does not mean dual prosecution is automatic or free of other legal and policy issues.

Preserve every agency business card, subpoena, warrant inventory, complaint, indictment and electronic communication. Identify the issuing court, response date, statute numbers and whether the document seeks testimony, records, property or an appearance. Do not delete data, alter documents or contact witnesses to coordinate accounts.

Grand-jury rights differ materially

In federal court, an indictment is generally required for a felony unless validly waived. The prosecutor presents the government's evidence in secret. A person under investigation does not have a general right to testify, call witnesses or have counsel present in the grand-jury room. Counsel may communicate with prosecutors and provide information, but the government need not turn the proceeding into an adversarial hearing.

New York provides a distinct statutory right. Under CPL § 190.50, a defendant whose charge is being or is about to be submitted may obtain the right to testify by serving timely written notice and complying with the waiver-of-immunity procedure. Testimony can expose the person to questioning and impeachment. Counsel may advise a testifying witness in the room but may not otherwise participate. A request that another witness be called is discretionary, not a right to submit an unrestricted defense presentation.

Release and detention use different statutes

Federal release is governed by 18 U.S.C. § 3142. The court begins with release on recognizance or an unsecured bond unless that will not reasonably assure appearance or will endanger another person or the community. It may impose the least restrictive conditions that reasonably address those concerns. Detention requires the statutory hearing and findings, and rebuttable presumptions apply only in the circumstances Congress identified. It is inaccurate to describe every federal drug, gun or fraud case as presumptively detained.

New York's current CPL § 510.10 requires an individualized risk-of-flight determination and a securing order designed to reasonably assure return. Recognizance or nonmonetary conditions are required outside the qualifying-offense framework. For qualifying offenses, the court has additional options that can include bail or, for qualifying felonies, remand. The exact charge, release status and current statute must be examined rather than using a slogan about bail reform.

Discovery rules and timing are different

Federal criminal discovery comes from several sources. Rule 16 covers specified statements, records, tangible objects, examinations and expert material. Brady and related constitutional rules require disclosure of favorable material evidence. The Jencks Act and Rule 26.2 address witness statements, and protective orders can restrict use or dissemination. Timing depends on the category, court orders and district practice. Not every government witness statement arrives at the start of a federal case.

New York CPL § 245.20 lists automatic discovery, including statements, police materials, recordings, scientific records and information tending to negate guilt, support a defense, impeach a witness, support suppression or mitigate punishment. Article 245 contains timing, due-diligence, protective-order and exception provisions. A dispute should identify the missing category, efforts, prejudice and remedy authorized by current law.

Speedy-trial clocks are not simple calendar deadlines

The federal Speedy Trial Act generally requires trial within 70 days of the later of indictment or first appearance before a judicial officer of the charging court. But 18 U.S.C. § 3161 excludes specified periods, including motion practice and qualifying continuances. The constitutional speedy-trial right remains separate.

New York CPL § 30.30 is principally a prosecutorial-readiness statute. The ordinary periods are six months for a felony action, 90 days for a misdemeanor punishable by more than three months, 60 days for a shorter misdemeanor and 30 days for a violation, subject to exceptions and exclusions. Calendar age alone does not establish dismissal. Counsel must calculate chargeable time and examine readiness and discovery compliance.

Sentencing cannot be compared by slogans

Federal sentencing begins with the statutes of conviction, including any mandatory minimum or consecutive term. The court calculates the advisory Sentencing Guidelines using offense conduct, adjustments and criminal history, then considers 18 U.S.C. § 3553(a). Restitution, forfeiture, supervised release, immigration and licensing can present separate issues. A guideline estimate requires the actual counts and evidence; it cannot be inferred from the word “federal.”

New York sentencing uses offense classes, violent-felony designations, predicate-offender rules and offense-specific provisions. Probation, conditional discharge, jail, state imprisonment, restitution, fines, orders of protection, license consequences and registration may be available or required depending on the conviction. Broad tables assigning one range to every felony class can be wrong because determinate, indeterminate, drug, sex-offense and recidivist provisions interact.

Neither system is always harsher. Exposure turns on the statutes, facts, record, enhancements and mandatory provisions. Published conviction rates or average sentences do not predict an individual result.

What to do when the forum is uncertain

• Keep the complete subpoena, warrant, target letter, complaint, indictment, appearance ticket or release order.
• Record the agency, prosecutor, court, case number and every deadline.
• Preserve phones, accounts, messages, financial records, video and physical evidence without altering them.
• Do not volunteer an explanation to agents, police, employers, schools or agencies before obtaining advice.
• Tell counsel about any parallel criminal, regulatory, immigration, licensing or forfeiture matter.

Lebedin Kofman LLP represents clients in New York criminal matters and federal matters in EDNY and SDNY. Learn about the firm's federal defense practice, EDNY representation, SDNY representation and New York criminal defense practice.

Common questions about federal and state criminal cases

Does an FBI or DEA investigation mean federal charges are certain?

No. Agency involvement shows who is investigating, not that an indictment will follow or that every possible count is federal. Joint investigations can also produce state charges. Preserve the papers, avoid a substantive interview, and have counsel identify the agency, prosecutor, district, statutes and investigation posture.

Can the same conduct produce state and federal charges?

Yes. Conduct can violate both sovereigns' laws, and the separate-sovereigns doctrine means the Double Jeopardy Clause does not impose a universal bar on successive state and federal prosecutions. Dual prosecution is not automatic. The charges, prior disposition, coordination and any legal or policy limitation require case-specific review.

Can I testify before a New York grand jury?

A qualifying defendant can obtain a statutory right to testify by serving timely written notice under CPL § 190.50 and completing the waiver-of-immunity procedure. The deadline and risks matter. Testimony exposes the defendant to questioning and may affect later strategy, so the decision should follow review of the evidence and likely examination.

Does the federal 70-day period guarantee dismissal?

No. The Speedy Trial Act generally uses a 70-day measure, but it begins from the later statutory event and excludes multiple categories of delay. Qualifying continuances, motions and other proceedings can affect the calculation. The statute, docket and reasons for each adjournment must be reviewed before asserting a violation or remedy.

Is federal detention automatic?

No. Section 3142 requires a statutory release or detention decision. Certain charges can trigger a rebuttable presumption, but it does not apply to every case or eliminate an individualized hearing. Counsel should prepare evidence addressing appearance, safety, proposed conditions, residence, employment, family, record and any presumption.

Are federal sentences always longer than New York sentences?

No categorical comparison is reliable. Federal statutes, mandatory terms, advisory guidelines and § 3553(a) differ from New York classifications and sentencing provisions. Either system can create severe exposure. A comparison requires the actual counts, conduct, loss or drug findings, weapon allegations, criminal history and any consecutive or predicate rule.

Meet the attorneys or request a free consultation. Call 646 663 4430 for an urgent state or federal criminal matter.

Primary sources reviewed October 1, 2026: U.S. Courts guidance on federal criminal cases and federal-versus-state courts; Federal Rules of Criminal Procedure; 18 U.S.C. §§ 3142, 3161 and 3553; New York CPL §§ 30.30, 190.50, 245.20 and 510.10; and official EDNY, SDNY and New York court information. This is general information, not legal advice for an individual case.