What Does (Cleaned Up) Mean in a Citation? The License and Its Limits

(Cleaned up) in a citation means the writer stripped the quotation's inherited clutter (internal quotation marks, brackets, ellipses, footnote numbers, and citations embedded inside the quoted passage) without changing the meaning of a single word the court wrote. It is shorthand for a promise: cleaned for readability, faithful in substance.

That promise is the part practitioners underrate. The parenthetical is a representation you personally make to the court. Get it right and your brief reads like prose instead of an archaeology dig. Get it wrong and you have altered a quotation and signed your name under it.

Did the Supreme Court adopt (cleaned up)?

Yes. On February 25, 2021, Justice Thomas used it in a unanimous opinion, Brownback v. King, the parenthetical's first appearance in the U.S. Reports. It is also the best worked example in print, because the original and the cleaned version are both on the public record.

The source is Semtek Int'l Inc. v. Lockheed Martin Corp., 531 U.S. 497, 501–02 (2001), which was itself quoting the Restatement:

The original connotation of an "on the merits" adjudication is one that actually "pass[es] directly on the substance of [a particular] claim" before the court. Restatement §19, Comment a, at 161.

Quoting that under full Bluebook convention produces something like this:

a judgment is "on the merits" if the underlying decision "actually 'pass[es] directly on the substance of [a particular] claim' before the court." Semtek Int'l Inc. v. Lockheed Martin Corp., 531 U.S. 497, 501–02 (2001) (quoting Restatement (Second) of Judgments § 19, Comment a (1980)).

Here is what Justice Thomas wrote in Brownback, with the sentence before it for context:

To "trigge[r] the doctrine of res judicata or claim preclusion" a judgment must be "'on the merits.'" Semtek Int'l Inc. v. Lockheed Martin Corp., 531 U.S. 497, 502 (2001). Under that doctrine as it existed in 1946, a judgment is "on the merits" if the underlying decision "actually passes directly on the substance of a particular claim before the court." Id., at 501–502 (cleaned up).

The Id. is doing ordinary work; the full Semtek cite landed one sentence earlier. Both sets of brackets are gone, their insertions absorbed into plain text. The quotation marks Semtek inherited from the Restatement are gone. So is the (quoting the Restatement) parenthetical that traditional practice demands. What the reader sees is Semtek's own text, in order, with the same meaning. That is the whole convention in one sentence: maximum readability, zero substantive change, one parenthetical carrying the writer's word that this is so.

What (cleaned up) licenses, and what it never licenses

Under the convention as proposed in Jack Metzler's essay Cleaning Up Quotations, the parenthetical tells the reader the writer has:

• removed internal quotation marks, brackets, ellipses, footnote reference numbers, and internal citations that the passage carried because the quoted court was itself quoting someone else;
• adjusted capitalization without marking it in brackets; and
• changed nothing else, so that the cleaned text otherwise matches the cited opinion word for word.

It never licenses:

• Changing, adding, or omitting words. Your own cuts still take an ellipsis; your own insertions still take brackets. (Cleaned up) covers inherited baggage, not fresh edits.
• Removing anything substantive. If a bracket or an embedded citation carries information the reader needs to weigh the quote, say that the inner language came from a statute, a party's brief, or a case the quoting court merely compared, then stripping it is concealment, not cleaning.
• Hiding the quote's provenance. Language from a dissent, a concurrence, dictum, or an explanatory parenthetical does not become holding because the seams were sanded off. Knowing which is which is opinion-reading craft, and (cleaned up) does not excuse you from it.
• Laundering a misquote. If the cleaned version does not match the source word for word, capitalization aside, the parenthetical is false.

Where did (cleaned up) come from?

The convention has a precise origin: appellate lawyer Jack Metzler proposed it on Twitter in March 2017, then formalized it in Cleaning Up Quotations, 18 J. App. Prac. & Process 143 (2017). The problem it solved is one every brief-writer knows. Courts quote courts quoting courts, and each layer drags in its own quotation marks, brackets, and citations until the passage you need is unreadable.

Adoption was, by legal standards, instant. By the time Brownback issued, four years after the tweet, the parenthetical had appeared in more than 5,000 judicial opinions across nearly every jurisdiction, and Metzler's own count has the essay second among law review pieces cited in judicial opinions, roughly forty citations behind Brandeis and Warren's The Right to Privacy. In the Sixth Circuit, nearly every active judge has used it. North Carolina's Court of Appeals picked it up in the summer of 2021, and the state supreme court's internal style guide now tells justices to "consider" it when an embedded quotation makes a passage hard to read.

Is (cleaned up) in the Bluebook?

No. The Bluebook spent eight years declining to adopt it, then the 22nd edition, released May 2025, added Bluepages Rule B5.3, which blesses the identical practice under a different label: "(citation modified)", permitted only for alterations made "solely to enhance readability". Same removable clutter, same capitalization allowance, same faithfulness requirement. Metzler has needled the label itself: the citation is the one thing the parenthetical does not modify.

Two details matter in practice:

• B5.3 is a Bluepages rule, the practitioner section. The academic Whitepages have no equivalent, so law review writing still carries the full apparatus of nested quotes and (quoting ...) trails.
• In court filings, (cleaned up) remains the convention judges themselves use, thousands of opinions deep. Write (citation modified) when a supervisor, professor, or local practice holds you to the 22nd edition's letter. The license is the same either way, and so is the representation you make by using it.

When to use (cleaned up), and when it hurts you

Use it when all three are true:

1. The mess is inherited. The passage carries quotes-within-quotes baggage from earlier opinions, not edits you are making yourself.
2. Nothing you remove carries weight. No inner attribution, alteration, or omission a reader would want in deciding how much to trust the quote.
3. You have verified the cleaned text against the original, word for word, in the opinion itself. Not in a headnote, and not in another brief's version.

Skip it when:

• The quotation is your dispositive language. When your case turns on the exact words of a holding or a statute, quote them exactly, full baggage and pincite, so the court can rely on them without a side trip.
• Provenance is the point. In Callahan v. United Network for Organ Sharing, the quoted language turned out to come from a cf. explanatory parenthetical describing another case, not a holding. Cleaning that away misled the court about what the precedent was.
• The forum resists it. A handful of judges are deliberate holdouts; the Sixth Circuit's own tally names several who have never used it. And California state practice runs on the California Style Manual, where adoption has been uneven. Read your judge's recent opinions; if the parenthetical never appears, match the house style.
• You are cleaning from memory. If the original is not open in front of you, you are not cleaning a quotation; you are drafting one.

The credibility trap: (cleaned up) is a representation

One asymmetry should drive every use. Traditional citation baggage spreads responsibility: the brackets and the (quoting ...) trail let readers audit each alteration themselves. (Cleaned up) deletes the audit trail and substitutes your word. That is its entire value, and its entire risk. If the cleaned quote misstates the source, there is no upstream court to point to. You made the representation; you own the misstatement, the same way your signature under Rule 11 certifies the inquiry behind every citation above it.

Callahan is the cautionary tale. A party's brief quoted precedent with (cleaned up) while omitting the end of the sentence, the part reiterating a presumption of public access that cut against its argument. Judge Britt Grant answered in the opinion's first footnote: a (cleaned up) parenthetical "has limited utility at most," and whatever utility it has "will vanish entirely if it is used to obscure relevant information." The citation problem became a credibility problem, in print, in a published opinion.

The discipline that prevents this is mechanical, and it belongs in your cite-check workflow as part of the quote-accuracy pass:

1. Clean only from the original opinion, never from a secondary source or an already-cleaned version. Double-cleaning compounds silently.
2. Diff the cleaned quote against the source word by word before filing. Capitalization may differ; nothing else may.
3. Re-read the surrounding paragraph and confirm nothing you stripped (an inner attribution, a qualifier, the back half of a sentence) changes what the passage means.
4. Treat AI-drafted quotes as unverified by default. A language model will happily emit a fluent quotation wearing a (cleaned up) tag whether or not the underlying sentence exists. If any part of the draft came from a model, verify every citation and quotation before the parenthetical goes out under your name.

Step 4 is where software earns its keep. CaseRead's free Hallucination Shield takes pasted text and checks each citation it finds (up to 25 per run) for existence and for whether the cited source actually supports the sentence it is attached to, which is exactly the question (cleaned up) puts on your signature. Paste the brief, see which quotations the source text does not back, and spend your reading time there. It is free, with no signup. If you want that verification built into the research itself, across all 53 US jurisdictions, that is what the rest of CaseRead is for.

Frequently asked questions

What does (cleaned up) mean in a legal citation? (Cleaned up) signals that the writer removed non-substantive clutter a quotation inherited from earlier quoting (internal quotation marks, brackets, ellipses, footnote reference numbers, and embedded citations) and may have adjusted capitalization, without changing the meaning of the quoted text. It is also an affirmative representation: the alterations were made solely for readability, and the quotation otherwise faithfully reproduces what the cited opinion says.

Is (cleaned up) in the Bluebook? No. The Bluebook has never adopted (cleaned up). The 22nd edition, released in May 2025, instead added Bluepages Rule B5.3, which permits a "(citation modified)" parenthetical for alterations made solely to enhance readability: the same license under a different label. B5.3 sits in the Bluepages, the practitioner section; the academic Whitepages have no equivalent, so law review writing still uses the full apparatus. Courts themselves overwhelmingly write (cleaned up), so (citation modified) is the Bluebook's rule and (cleaned up) is the convention judges actually use.

Can I use (cleaned up) in a brief? In most courts, yes. The parenthetical has appeared in thousands of opinions across nearly every jurisdiction, including a unanimous U.S. Supreme Court opinion, Brownback v. King (2021). But check the forum first: some judges never use it, California state practice runs on its own style manual, and a document held strictly to the Bluebook's 22nd edition calls for "(citation modified)" instead. When in doubt, clean less and quote exactly.

What can you remove with (cleaned up)? You may remove internal quotation marks, brackets, ellipses, footnote reference numbers, and citations that the quoted passage carried because the quoted court was itself quoting, and you may adjust capitalization without brackets. Every removal must be non-substantive. You may not change, add, or omit words, silently add emphasis, or strip anything the reader needs to weigh the quotation, such as the fact that the language came from a dissent or a cf. parenthetical.

What happens if a (cleaned up) quote misstates the source? You own the misstatement. (Cleaned up) is a personal representation that the quotation is faithful, so a cleaned quote that shifts meaning is your alteration, not the court's. In Callahan v. United Network for Organ Sharing (11th Cir. 2021), Judge Britt Grant called out a party whose cleaned quotation omitted the end of a sentence that cut against it, warning that the parenthetical's utility "will vanish entirely if it is used to obscure relevant information."