Kiyo A. Matsumoto
Federal District Judge · U.S. District Court, Eastern District of New York
Judge Kiyo A. Matsumoto is a Federal District Judge, U.S. District Court, Eastern District of New York (New York). Current assignment: Senior United States District Judge — E.D.N.Y. BenchPath holds 7 published requirements from this judge's own procedures, each cited to its official source. Last verified November 3, 2026 against nyed.uscourts.gov. Procedural information, not legal advice.
What applies in this courtroom
127 verified requirements may apply in this courtroom, by layer: 7 published by Judge Kiyo A. Matsumoto · 120 from the court's own rules. Only the judge's own rules are specific to this courtroom; the other layers apply by court, county and state scope, and a court- or case-specific order can displace them.
The tabs below show the judge-and-division layer only. The Full Premium Report assembles the complete stack — every requirement, deadline table, ruling intelligence, live case-type scan, and source appendix in one cited document.
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Current assignment
Senior United States District Judge — E.D.N.Y.
Provenance
- Verified from
- Official court page
- Last verified
- November 3, 2026
- Appointed
- July 22, 2008 — “U.S. District Court for the Eastern District of New York”by George W. Bush
In the Federal Judicial Center's words
Judge, U.S. District Court for the Eastern District of New York … Nominated by George W. Bush on March 11, 2008 … Confirmed by the Senate on July 17, 2008, and commission issued on July 22, 2008.
The Federal Judicial Center's record · checked November 3, 2026
- This judge's own court page
- Kiyo A. Matsumoto on nyed.uscourts.gov →Their individual profile — biography, division, chambers contact and any procedures or forms they publish. Not the circuit's judge directory.
7 verified rules specific to this judge's division, grouped by requirement category. 127 total requirements apply in this courtroom across all layers — the Full Premium Report assembles the complete stack.
Local-rule conflict sentinel
● LiveNo judge-level deadline on record runs shorter than a statewide deadline with the same trigger. The sentinel compares quoted timing across every published rule scoped to this judge on each visit — a clean result today is re-earned tomorrow.
Judge Preferences7
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: I. MANDATORY ELECTRONIC CASE FILING (ECF)
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section I. MANDATORY ELECTRONIC CASE FILING (ECF) — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: II. COMMUNICATIONS WITH CHAMBERS
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section II. COMMUNICATIONS WITH CHAMBERS — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: III. MOTIONS
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section III. MOTIONS — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: IV. CIVIL CASES - PRETRIAL PROCEDURES
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section IV. CIVIL CASES - PRETRIAL PROCEDURES — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: V. CRIMINAL CASES - PRETRIAL PROCEDURES
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section V. CRIMINAL CASES - PRETRIAL PROCEDURES — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: VI. TRIAL PROCEDURES
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section VI. TRIAL PROCEDURES — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
Judge Kiyo A. Matsumoto (E.D.N.Y.) — Practices and Rules: VII. POST TRIAL PROCEDURES FOR CIVIL BENCH TRIALS
Practices and Rules of Judge Kiyo A. Matsumoto, U.S. District Court for the Eastern District of New York, as the judge's own court page links it: section VII. POST TRIAL PROCEDURES FOR CIVIL BENCH TRIALS — verbatim from the judge's own document (official PDF, sha-custodied). Judge-specific requirement: applies in cases before this judge alongside the Local Rules and the federal rules.
No judge-scoped deadlines on this tab. Deadlines are extracted only when the source rule text states them — we never infer or calculate dates the rule does not explicitly contain.
Timing shown here is quoted from the rule text. Compute your actual date against the court's calendar and the rule itself — not legal advice.
Ruling intelligence
No verified ruling summary yet. BenchPath generates ruling summaries from opinion and docket corpora (CourtListener where covered) and publishes them only after human review — fabricated judicial analytics are exactly what this platform refuses to ship.
The attributed-opinion corpus covers the appellate review of Florida's and California's state trial courts; this judge's decisions are reviewed by the U.S. Court of Appeals for the Second Circuit, a separate corpus build. Absence here is a coverage statement, never evidence about this judge — the live case-law search below covers the New York federal courts and the Second Circuit directly.
Use the live case-law search below to see what exists for this judge today.
Live case-type intelligence scan
● LiveAnswer three quick questions. The platform pulls Kiyo A. Matsumoto's full public case-law record from the source, newest first — your matter never narrows the pull; it directs the relevance ranking and the dual-AI analysis. Every hit comes back Bluebook-cited with the opinion's own words quoted verbatim. The scan takes the time precision takes.
- 1. Case area & type
- 2. Refine
- 3. Review & scan
Case-law search
CourtListener · free connector · live, held a dayCoverage note: CourtListener's federal coverage is its strongest — district and appellate opinions and orders appear regularly, and this judge's searches cover the New York federal courts and the Second Circuit directly.
Registered sources for this judge's rules
last checked November 15, 2026
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Assignment history
Recent changes to this judge's sources
No source changes detected for this judge yet — when the underlying court pages move, it shows up here first.