Court abbreviations are the shorthand legal writers use to identify which court decided a case, which reporter published the opinion, and what happened to the decision later. Once you learn the pattern, a string like Brown v. Board of Education, 349 U.S. 294, 301 (1955) becomes readable at a glance: volume 349 of the United States Reports, page 294, with a specific reference to page 301, decided in 1955. The same volume-reporter-page structure underlies almost every citation you’ll see, and the abbreviations attached to it tell you the rest.
The Anatomy of a Citation
A case citation has three moving parts. The case name comes first. Then a block of numbers and letters pointing to the published opinion: a volume number, an abbreviated reporter name, and the page where the opinion begins. If a second page number appears after a comma, that’s a pinpoint citation directing you to the specific page the writer is relying on. A parenthetical at the end gives the year and, when the reporter alone doesn’t identify the court, an abbreviation for the court itself.
So in “349 U.S. 294 (1955),” the “349” is the volume, “U.S.” is the reporter, “294” is the starting page, and “1955” is the year. Because “U.S.” can only mean the United States Reports, no separate court abbreviation is needed. In other citations, the parenthetical does more work, carrying both the year and a court designation like “9th Cir.” or “S.D.N.Y.”
Federal Court Abbreviations
The federal system has three main tiers, and each has its own conventions.
The Supreme Court of the United States sits at the top. Informally it’s called SCOTUS. In formal citations, the reporter abbreviation “U.S.” itself signals the Supreme Court, so no separate court tag appears in the parenthetical.
Thirteen federal courts of appeals handle intermediate appeals. They’re identified by circuit number plus “Cir.” A Ninth Circuit opinion carries “(9th Cir. [year])” at the end.
Federal trial courts are the district courts, and their abbreviations combine a directional letter with the state. “S.D.N.Y.” is the Southern District of New York. “N.D. Cal.” is the Northern District of California.
Several specialized federal courts show up regularly. Bankruptcy court opinions appear in the Bankruptcy Reporter, “B.R.” The Tax Court uses “T.C.” The Court of Federal Claims uses “Fed. Cl.”
State Court Abbreviations
State systems are less uniform, and the naming conventions can trip you up. In most states, “Ct. App.” refers to the intermediate Court of Appeals. But the highest court isn’t always called the Supreme Court. In New York, the Court of Appeals is the top court, and the “Supreme Court” is actually a trial-level court.
State citation parentheticals usually pair a state abbreviation with a court level. You might see “(Cal. Ct. App. 2023)” for a California appellate decision, or “(Tex. 2022)” for a Texas Supreme Court opinion. When only the state abbreviation appears, the citation is signaling that the state’s highest court decided the case. That parenthetical is often the only quick indicator of how much weight the decision carries.
Reporter Abbreviations
Reporters are the published volumes where opinions appear. Each series has a standard abbreviation, and pairing the reporter with the right court is most of what citation reading involves.
Federal Reporters
Supreme Court decisions appear in three parallel reporters. The United States Reports (“U.S.”) is the official government publication. The Supreme Court Reporter (“S. Ct.”) and the Lawyers’ Edition (“L. Ed.” or “L. Ed. 2d”) are commercial versions carrying the same opinions with added editorial features. A citation to any of the three points to the same decision.
Federal courts of appeals decisions appear in the Federal Reporter, which has run through multiple series: “F.,” then “F.2d,” then “F.3d.” The “2d” and “3d” designations exist because publishers restart numbering when volume counts get unwieldy.
Federal district court opinions run in the Federal Supplement: “F. Supp.,” “F. Supp. 2d,” and “F. Supp. 3d.” Not every district court decision is published, so many trial-level opinions live only in electronic databases.
Regional and State Reporters
State court decisions are collected into regional reporter series that group multiple states together.
- Pacific Reporter (“P.,” “P.2d,” “P.3d”) covers states from Alaska to Wyoming.
- North Eastern Reporter (“N.E.”) covers Illinois, Indiana, Massachusetts, New York, and Ohio.
- South Eastern Reporter (“S.E.”) covers Georgia, the Carolinas, Virginia, and West Virginia.
- Southern Reporter (“So.”), South Western Reporter (“S.W.”), North Western Reporter (“N.W.”), and Atlantic Reporter (“A.”) round out the regional set.
Some states also publish their own official reporters. California, New York, and Illinois are examples. When a state maintains its own reporter alongside the regional one, you’ll often see parallel citations listing both for the same case.
Subsequent History Shorthand
When a case has been appealed, the citation often tags on shorthand describing what happened next. These matter because they tell you whether the case is still good law.
- aff’d — affirmed. The higher court agreed with the lower court.
- rev’d — reversed. The higher court overturned the decision.
- vacated — the decision was voided, often because the parties settled or the case became moot.
- cert. denied — the Supreme Court declined to hear the appeal. This is not an endorsement of the lower court; the Court simply chose not to review the case.
- remanded — the higher court sent the case back down for further proceedings.
These are often strung together. “Aff’d in part, rev’d in part” means the appeals court agreed with some of the lower court’s rulings and disagreed with others. “Cert. denied” is the one that confuses people most: the Supreme Court turns away thousands of cases each year for reasons it rarely explains, and denial carries no precedential meaning.
Citation Signals
Legal writers place introductory words before citations to describe how the cited source relates to the point.
No signal at all means the source directly states the proposition. “See” appears when the source supports the point without saying it in exact terms. “See also” adds further supporting sources beyond the primary one. “Cf.” (from the Latin confer, meaning compare) flags a source that supports by analogy rather than directly. “E.g.” tells you the citation is one example among many that could have been used.
Negative signals warn about contrary authority. “Contra” means the source directly contradicts the statement. “But see” points to authority that clearly undermines the proposition. “But cf.” identifies sources that cut against the point by analogy. Legal ethics require writers to flag genuinely contrary authority, so these negative signals carry weight when they appear.
Party and Procedural Shorthand
Inside opinions and briefs, you’ll see shorthand for the people and documents involved.
The plaintiff (“Pl.”) brings a civil case; the defendant (“Def.”) responds. On appeal, the challenging party becomes the appellant (“App.”) or petitioner (“Pet.”), and the other side is the appellee or respondent (“Resp.”). Judges carry “J.” after their names. “Roberts, C.J.” is Chief Justice Roberts; “Sotomayor, J.” is Justice Sotomayor.
Filings have their own tags. “Mot.” is a motion. “Aff.” is an affidavit. “Exh.” is an exhibit. “Br.” is a brief. “Op.” is the court’s written opinion.
Statute and Regulation Abbreviations
Citations to statutes and regulations follow a different pattern. Instead of volume-reporter-page, they use title-code-section.
Federal Statutes
The United States Code (“U.S.C.”) is the official compilation of federal statutes, organized by subject into numbered titles.1Office of the Law Revision Counsel. United States Code Home “42 U.S.C. § 1983” means title 42, section 1983.2Cornell University Law School. Basic Legal Citation – How to Cite Constitutions, Statutes, and Similar Materials The § symbol is read “section.” Subdivisions nest inside parentheses: lowercase letters for subsections like (a), numbers for paragraphs like (1), and further letters and numbers for smaller units.3Office of the Law Revision Counsel. Detailed Guide to the United States Code Content and Features
“Stat.” refers to the Statutes at Large, the chronological collection of laws as Congress passed them, before reorganization by subject into the U.S.C. Researchers use Stat. citations when tracing a law’s original enacted text.
Federal Regulations
Federal agency regulations are compiled in the Code of Federal Regulations (“C.F.R.”), which mirrors the U.S.C. format. “29 C.F.R. § 1910.1200” means title 29, section 1910.1200.4eCFR. 1 CFR 8.9 – Form of Citation Proposed and final regulations first appear in the Federal Register (“Fed. Reg.”) before being codified into the C.F.R.
Federal Court Rules
Procedural rules have their own tags. The Federal Rules of Civil Procedure are “Fed. R. Civ. P.”5United States Courts. Federal Rules of Civil Procedure The Federal Rules of Evidence are “Fed. R. Evid.” The Federal Rules of Criminal Procedure are “Fed. R. Crim. P.” A rule number follows the abbreviation.
State Statutes
State code abbreviations vary with the state’s naming choice. You’ll see “Rev. Code” (Revised Code), “Ann.” (Annotated), “Gen. Stat.” (General Statutes), “Comp. Laws” (Compiled Laws), and others. Texas uses “Tex. Penal Code.” Ohio uses “Ohio Rev. Code.” New York organizes by subject, using names like “N.Y. Penal Law.” Formats differ enough across states that looking up the correct form is often necessary even for experienced lawyers.
Public Domain Citations
Some states have moved to a neutral citation format that doesn’t rely on commercial reporters. A public domain citation uses a sequence number the court itself assigns, together with the year and a state abbreviation. “2003 ND 140” is the 140th decision issued by the North Dakota Supreme Court in 2003. Pinpoint references use paragraph numbers instead of page numbers, since no printed volume is involved. Federal courts have not adopted this format, but several state systems now require or accept it, and neutral citations often appear alongside a parallel citation to the regional reporter.
Where the Standards Come From
Most of the abbreviations above are set by The Bluebook: A Uniform System of Citation, currently in its 22nd edition and published by the law reviews at Columbia, Harvard, Penn, and Yale.6The Bluebook. The Bluebook – A Uniform System of Citation It sets the abbreviations for courts and reporters, the order of parentheticals, and the rules for signals and subsequent history.
The ALWD Guide to Legal Citation, published by the Association of Legal Writing Directors, is an alternative that many law schools use for teaching. The two agree on most conventions and differ on minor formatting points. A handful of states also maintain their own citation rules for filings in their courts, generally covering local courts and reporters while deferring to national standards for everything else. If you can read Bluebook citations, you can read practically any American legal citation.
Finding the Cited Document
Decoding a citation is the first step; retrieving the actual document is the second. Federal court records are available through PACER (Public Access to Court Electronic Records).7PACER. Public Access to Court Electronic Records The United States Code is searchable free through the Office of the Law Revision Counsel’s website, and the Code of Federal Regulations is available at eCFR.gov. Many state opinions and statutes are free through Google Scholar’s case law search or state government sites. Westlaw and LexisNexis carry the most comprehensive collections but require paid subscriptions, and most public law libraries offer free terminals where anyone can use them.