Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
duly acknowledged that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"duly acknowledged that" is a correct and usable phrase in written English.
You typically use this phrase to note that something has been formally recognized or that an acknowledgment has been made. For example, you could use it in a sentence such as, "The court duly acknowledged that the defendant's rights were violated."
✓ Grammatically correct
Life Sciences, Society and Policy
The New Yorker
Globalization and Health
F1000Research
Independent
The New York Times - Books
Environmental Systems Research
Journal of Cheminformatics
Geoscience Letters
Huffington Post
BMC Pediatrics
F1000Research
Critical Care
Cell and Bioscience
BMC Genomics
BMC Pediatrics
BMC Complementary and Alternative Medicine
BMC Veterinary Research
Cell Communication and Signaling
Breast Cancer Research
EURASIP Journal on Wireless Communications and Networking
Bioresources and Bioprocessing
Los Angeles Times
Plosone
BMC Infectious Diseases
The Economist
Wikipedia
The New Yorker
The New York Times - Sports
The New York Times - Arts
The New York Times
BBC
Los Angeles Times
WikiHow
The Guardian - Opinion
The New York Times - Tech
Vice
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
And the one is a prerequisite for the other, because it is only insofar as the value of ELSA's heritage is duly acknowledged, that the 'added value' of RRI can be articulated with sufficient precision.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
I remember decades of duly acknowledging that he painted well but of waiting for his insubordinate fame to fade away.
News & Media
While doing so, I duly acknowledge that there are several individual efforts, informal support groups, collectives and "agency" of indigenous queer communities that operate outside HIV/AIDS/sexuality funding.
Science
The authors duly acknowledge that they have been inspired by reviewer's oaths previously proposed by others (refs 13-15), and if I am being completely honest, I do not find that the set of 17 rules they propose represent a significant improvement on those previously proposed oaths.
Science
Rösler acknowledged that was that.
News & Media
But his ambivalent reaction belies a complicated, stormy saga about wartime heroism and domestic strife, about a strange governmental complicity in keeping one prisoner's status a virtual secret, about satisfaction at an achievement duly acknowledged and a simultaneous bitterness that will not fade.
News & Media
In addition, all the sources of materials used for the thesis have been duly acknowledged.
The financial support received from GENESIS (BSC0121) and INSPIRE (CSC0107) under 12FYP projects is duly acknowledged.
Science
The submitters are duly acknowledged for their contribution as each annotation or entry is author and time stamped.
Science
Financial support received from the Ministry of Earth Sciences (MoES), New Delhi (MoES/P.O.(Seismo)/1(271)/AFM/2015) towards an Integrated Active Fault Mapping (AFM) project is duly acknowledged.
Science
I sat with it for a few minutes until -- duly acknowledged -- it moved on.
News & Media
Expert writing Tips
Best practice
Use "duly acknowledged that" to formally recognize contributions, support, or limitations in academic, scientific, or formal writing to ensure proper attribution and transparency.
Common error
Avoid using "duly acknowledged that" in casual conversation or informal writing. Opt for simpler phrases like "recognized that" or "understood that" to maintain a natural tone.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duly acknowledged that" serves as a formal means of indicating that something has been officially recognized or admitted. Ludwig's examples showcase its use in academic and news contexts.
Frequent in
Science
30%
News & Media
25%
Formal & Business
15%
Less common in
Wiki
10%
Encyclopedias
10%
Reference
10%
Ludwig's WRAP-UP
The phrase "duly acknowledged that" is a grammatically correct expression used to formally recognize or admit something. According to Ludwig, this phrase sees use in academic, scientific, and news contexts, signaling official recognition or acceptance. Though correct, it's more appropriate for formal settings and may sound stilted in casual conversation. Related phrases include "formally recognized that" and "officially admitted that", offering similar but nuanced alternatives. It is rare.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
appropriately acknowledged that
Replaces "duly" with "appropriately", suggesting the acknowledgment was fitting or suitable in the given context.
formally recognized that
Substitutes "acknowledged" with "recognized" and adds "formally", emphasizing the official nature of the acknowledgment.
officially admitted that
Replaces "acknowledged" with "admitted" and adds "officially", implying a formal concession or acceptance of something.
properly recognized that
Similar to "appropriately acknowledged that", highlighting the correctness of the recognition.
acknowledged in due course that
Rephrases the sentence to emphasize the timing of the acknowledgment.
conceded that
Replaces "acknowledged" with "conceded", suggesting a reluctant or forced acknowledgment.
affirmed that
Replaces "acknowledged" with "affirmed", implying a confirmation or validation of something.
confirmed that
Similar to "affirmed that", indicating the establishment of certainty about a fact.
admitted the fact that
Replaces "acknowledged" with "admitted the fact", focusing on accepting the truth.
recognized and accepted that
Emphasizes both the recognition and acceptance of a particular point or situation.
FAQs
How can I use "duly acknowledged that" in a sentence?
You can use "duly acknowledged that" to formally recognize or concede a point, as in "The authors "duly acknowledged that" they were inspired by previous works".
What are some alternatives to "duly acknowledged that"?
Alternatives include "formally recognized that", "officially admitted that", or "appropriately acknowledged that" depending on the specific context and nuance you want to convey.
Is it appropriate to use "duly acknowledged that" in informal writing?
While grammatically correct, "duly acknowledged that" is best suited for formal writing. In informal contexts, consider using simpler phrases like "recognized that" or "understood that".
What's the difference between "duly acknowledged that" and "recognized that"?
"Duly acknowledged that" implies a formal and often obligatory recognition. "Recognized that", while similar, is more neutral and doesn't necessarily suggest the same level of formality or obligation.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested