A major revision decision is not a rejection, but it is also not a formality. It means an editor read the reviews, concluded the manuscript’s core contribution is worth pursuing, and decided the concerns raised are substantive enough to warrant another full look before a final call. How you interpret and act on that decision in the first two weeks after receiving it has more influence on the outcome than almost anything else in the process. This guide walks through what to actually do: how to read the letter, how to triage the comments, how to decide what new work is really required, and how to structure a resubmission that reads as a genuine response rather than a defensive one.
What a major revision decision actually signals
A major revision means the handling editor, synthesizing across reviewers who do not always agree with each other, judged that the paper’s methodology, analysis, or framing has gaps significant enough that the manuscript cannot be accepted as submitted, but is not being rejected outright. In practice this usually means at least one reviewer flagged something in the categories of: an insufficiently justified or under-described method, conclusions that outrun what the data actually support, a missing comparison or control condition, or a framing/positioning problem relative to existing literature. It does not automatically mean the reviewers were hostile or that the paper’s contribution is in doubt — a major revision can sit alongside broadly positive reviews that still identify real, addressable gaps. For how this decision differs mechanically from a minor revision (turnaround time, who adjudicates the response, how much new work is typically expected), see Major Revision vs. Minor Revision. For where it sits relative to the broader revise-and-resubmit category and to an outright reject-and-resubmit, see Revise and Resubmit: What the Decision Means and How to Respond and Reject and Resubmit vs. Revise and Resubmit.
Read the letter twice before you plan anything
The decision letter and the individual reviews are not always aligned in tone or emphasis, and it is common for a reviewer’s most consequential comment to be phrased briefly, buried mid-review, or expressed as a question rather than a directive. Read the editor’s own cover letter first — it usually signals which reviewer concerns the editor considers most important to address, and sometimes explicitly deprioritizes a comment the editor doesn’t consider essential. Then read every individual review twice: once to understand the full set of concerns, and a second time specifically to separate what is being requested (a new analysis, a clarification, a citation, a reframing) from why it’s being requested (the underlying concern the reviewer actually has). Responding to the literal request without addressing the underlying concern is one of the more common reasons a second-round response still fails to satisfy a reviewer.
Triage every comment before you start writing
Before drafting anything, build a simple working list that sorts every comment, from every reviewer, into a small number of categories. A structure that works well in practice:
- Required and substantive — a comment that goes to the paper’s core claims, methodology, or evidence base. These need real additional work: new analysis, additional data, a reframed argument backed by evidence.
- Required and mechanical — a clarification, additional citation, figure fix, or explanation that can be resolved by rewriting or adding detail without new analysis.
- Overlapping — two or more reviewers raising versions of the same underlying concern. These are worth addressing together in the response letter rather than as separate items, since an editor reading a fragmented response to what is really one concern reads as evasive.
- Contested — a comment you believe is based on a misunderstanding, or where you disagree with the reviewer’s suggested fix while agreeing something should change. These require the most carefully written response (see below) rather than simple compliance or simple refusal.
This triage does two things: it turns an intimidating, unordered list of reviewer comments into a concrete work plan, and it directly informs the timeline estimate you give yourself and, if needed, the editor.
Decide whether you actually need new data, not just new prose
The single biggest planning mistake in responding to a major revision is treating every comment as something that can be resolved by rewriting. If a reviewer’s concern is that a claim isn’t supported by the current analysis, the honest response usually requires new analysis of existing data, an additional experiment or dataset, or a materially reframed and narrowed claim — not a more confident restatement of the same conclusion. Editors and reviewers evaluating a major-revision response are specifically checking whether the substance changed, not just the wording. Before committing to a timeline, go through the “required and substantive” list from your triage and honestly assess, for each item, whether it can be satisfied with analysis you can complete with data you already have, requires new data collection, or requires a scope change to the paper’s claims. This assessment is what actually determines whether a major revision is realistically a matter of weeks or a matter of months.
Build a revision plan and a realistic timeline
Major revision windows are typically longer than minor revision windows precisely because the expected work is larger — commonly one to several months, and sometimes longer where new data collection or additional experiments are genuinely required. The deadline stated in your decision letter governs, not a rule of thumb, and most journals will grant a reasonable extension if you ask before the deadline rather than after it passes. Once your triage and scope assessment are done, build a short internal plan: which items require new analysis or data and roughly how long that will take, which items are mechanical and can be batched together, and a realistic date for a complete internal draft of the response before your actual submission deadline, leaving time for a colleague or co-author to read the response letter cold before it goes out. A major revision response read by someone who wasn’t involved in writing it is one of the more effective, low-cost ways to catch a response that sounds more defensive than it’s intended to.
Structure the point-by-point response, comment by comment
The response letter for a major revision needs to do more work than a minor-revision response, because it is very likely to go back to the same reviewers who raised the concerns, not to the editor alone. For each reviewer, in order, restate the comment (verbatim or closely paraphrased), then respond directly underneath it, referencing exactly where the manuscript changed — page, section, or line number — so the reviewer does not have to search for it. Where you have made a substantive change (new analysis, new data, reframed claim), say plainly what changed and why. Where you are pushing back on a comment rather than complying with it, do so respectfully and with evidence or reasoning, not simply a restated position — reviewers and editors read a well-reasoned disagreement very differently from a dismissive one. For worked, comment-by-comment examples covering a methodological pushback, a clarity concern, and a respectful disagreement, see Reviewer Comments to Author: Worked Examples and How to Respond. For how the response-letter format itself varies by publisher (cover letter versus point-by-point table, tracked-changes versus clean copy expectations), see Peer Review Response Letters: Major vs. Minor Revisions Across Publisher Templates.
Common ways a major revision turns into a rejection
A small number of patterns account for most cases where a promising major-revision decision does not survive the second round:
- Treating a major revision like a minor one — a brief, confident response that restates the original position without new analysis or evidence, submitted to reviewers who explicitly asked for substantive additional work.
- Addressing the literal comment but not the underlying concern — responding narrowly to what was written rather than to why the reviewer wrote it.
- Fragmenting one shared concern into several disconnected responses — when two or three reviewers are really pointing at the same gap and the response treats each as unrelated, it reads as not having grasped the core issue.
- Missing the deadline without communicating first — most editors will grant an extension if asked in advance; a lapsed deadline followed by a late submission is handled far less generously.
- An unreviewed response letter — tone matters as much as substance in a document reviewers will read as a direct reply to their critique; a co-author or colleague reading it cold before submission catches this reliably.
What happens after you resubmit
A major-revision resubmission is typically sent back to some or all of the original reviewers, who are now evaluating a narrower, already-familiar set of concerns rather than reading the whole manuscript from scratch — this second round is usually, though not always, faster than the first. Three outcomes are possible: acceptance (sometimes with a further minor revision folded in), a second major revision if a reviewer judges their concern still unresolved or a new issue emerged from the changes, or, less commonly, rejection if the editor concludes the response did not adequately address the core concerns. A second major-revision round is not a sign of failure on its own; it is a sign that the editor still sees the paper as viable and worth another look, provided the second response is treated with the same rigor as the first.
Frequently asked questions
How long do I have to respond to a major revision?
The deadline stated in your decision letter governs. It commonly ranges from about a month to six months or more depending on the field, journal, and scope of work requested, since major revisions can require new experiments or additional data collection that minor revisions do not. If the deadline is unrealistic given the scope of work, ask the editor for an extension before the deadline passes rather than after.
Do I have to do everything every reviewer asked for?
No, but every comment needs a response, and a refusal needs a reasoned justification, not silence. Editors and reviewers generally accept a well-argued disagreement; what damages a response is a comment that goes unaddressed entirely or is dismissed without explanation.
Can a major revision still be rejected after I resubmit?
Yes. A major revision decision means the editor sees a viable path to acceptance, not a guarantee of it. Rejection after a major-revision resubmission is less common than acceptance or a further revision round, but it happens when the response is judged not to have adequately addressed the substantive concerns raised.
Should I contact the editor if I disagree with a reviewer?
For a substantial disagreement, it is generally better to address it directly and thoroughly in the point-by-point response letter, where the reasoning is visible to the editor and to the reviewer, rather than in a separate message to the editor alone. A brief editor message is appropriate for a genuine procedural question (for example, about scope of an extension) rather than as a way to argue a scientific point outside the formal response.
What if reviewers disagree with each other?
This is common and is part of why the decision synthesizes reviewer input rather than requiring unanimous reviewer agreement. Where two reviewers give conflicting guidance, address both directly in the response letter, explain the approach taken, and let the editor see the reasoning — the editor, not an individual reviewer, makes the final call.
Related CASRAI resources
- Major Revision vs. Minor Revision — how the two decision categories differ in scope, turnaround, and who adjudicates the response.
- Revise and Resubmit: What the Decision Means and How to Respond — the broader R&R category this decision sits within.
- Reject and Resubmit vs. Revise and Resubmit — the harder editorial decision one step further out.
- Reviewer Comments to Author: Worked Examples and How to Respond — worked, comment-by-comment response examples.
- Peer Review Response Letters: Major vs. Minor Revisions Across Publisher Templates — how response-letter format expectations vary by publisher.
- ANSI/NISO Z39.106-2023 — the current standardized vocabulary for describing peer review models and disclosure, referenced for context on how editorial-decision labels relate to (and differ from) standardized peer-review terminology.
