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
upon noting the
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon noting the" is correct and usable in written English.
It can be used when you want to indicate that something was observed or acknowledged after a certain point in time or after a specific action. Example: "Upon noting the discrepancies in the report, the manager decided to call for a meeting to address the issues."
✓ Grammatically correct
Science
Encyclopedias
News & Media
Wiki
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
where the last inequality follows upon noting the positive semi-definite ordering.
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Flash spotting relied upon observers noting the azimuth of gun flashes and plotting these so as to obtain intersections.
Encyclopedias
Upon noting that the filmmakers deliberately insisted that their characters be portrayed as different from the actual people involved in the Leigh Leigh murder as possible, Drewe said the film is "asking a lot of Australian audiences to expunge reality from their memories", though he concluded that the film should be "compulsory viewing for all Australian teenagers".
Wiki
In 1676 the Danish astronomer Ole Rømer, upon noting discrepancies between the observed and calculated times of such eclipses, correctly explained them as being due to the difference in the travel time of light when Earth is nearest to Jupiter or farther away from it.
Encyclopedias
Proof Upon noting that in the stretched coordinate system ϱ, ϑ introduced in the x, y plane, the considered domain turns into the circular annulus of radii a and b, one can readily adopt the usual eigenfunction method [10] in combination with the separation of variables (with respect to r and ϑ).
Science
Proof Upon noting that in the stretched coordinate system ϱ, ϑ introduced in the x, y plane, the considered domain A turns into the circular annulus of radii a and b, one can readily adopt the usual eigenfunction method [11] in combination with the separation of variables (with respect to r and ϑ).
Science
Note also that from (2.20) it follows upon noting (F'>0) that the solution (mathscr{G}) is monotone in r, that is, increasing when (2pi m + z>0) and decreasing when (2pi m + z<0).
Science
Inequality (2.1) follows from above upon noting that.
Jeremy Page of The Times discussed its enormous popularity upon release and noted the "serious point [the film made] about the need for tolerance, restraint and self-sacrifice".
Wiki
Walking around the streets of Newcastle upon Tyne, the former pitman noted the lack of caps, commenting that their passing would be "the victory of Subtopia over good old industrial common sense".
News & Media
The unforthcoming Kiyoshi, upon meeting his new employee, notes the ill-fitting donated suit he has arrived in, and Yohan wakes to find the jacket altered to fit him better (just as his new Brazilian life is fated to do).
News & Media
Expert writing Tips
Best practice
Use "upon noting the" to clearly indicate a realization or observation that prompts a subsequent action or conclusion. It adds a touch of formality suitable for academic or professional contexts.
Common error
Avoid using "upon noting the" in informal or casual writing, as it can sound stilted. Opt for simpler alternatives like "after noticing" or "once you see" for a more natural tone.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon noting the" functions as a prepositional phrase introducing a dependent clause. It sets a temporal context, indicating that a subsequent action or realization occurs as a direct result of the observation. Ludwig AI's examples show its use in academic and formal contexts.
Frequent in
Science
45%
News & Media
25%
Wiki
15%
Less common in
Encyclopedias
10%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "upon noting the" is a grammatically correct prepositional phrase that introduces a cause-and-effect relationship between an observation and a subsequent action. As Ludwig AI confirms, this phrase is most suitable for formal, scientific, and professional contexts. While alternatives like "after observing that" exist, "upon noting the" provides a more formal and precise tone. Common usage includes academic writing, encyclopedias, and news articles, where clarity and a professional register are valued. Remember to consider the tone of your writing and choose alternatives when informality is preferred.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
after observing that
Focuses on the act of observation as the trigger for realization, emphasizing the visual aspect.
once it was observed that
Highlights the point in time when the observation occurred, adding a sense of temporal sequence.
having recognized that
Emphasizes the cognitive process of recognition, suggesting a deeper understanding.
following the observation of
More formal phrasing, suitable for academic or technical writing, stressing the sequential nature.
after acknowledging the fact that
Focuses on the acceptance of a certain fact as a basis for further consideration.
in light of the observation that
Implies that new insight or understanding comes from the observation.
seeing as how
More informal and colloquial way to express realization after observation.
given the fact that
Emphasizes that something is already known or established before consideration.
considering that
Suggests that one is taking something into account or thinking about something before acting.
taking into account that
Similar to considering that, but placing more stress on the act of including information in a decision-making process.
FAQs
How can I use "upon noting the" in a sentence?
You can use "upon noting the" to introduce an observation or realization that leads to a conclusion or action. For example: "Upon noting the decline in sales, the manager called a meeting."
What are some alternatives to "upon noting the"?
Alternatives include "after observing that", "once it was observed that", or "having recognized that", depending on the specific context.
Is "upon noting the" formal or informal?
"Upon noting the" leans towards a more formal register. In casual conversation, phrases like "after noticing" or "once you see" might be more appropriate.
What's the difference between "upon noting the" and "after noticing the"?
While both phrases indicate a realization following an observation, "upon noting the" carries a slightly more formal tone compared to the more straightforward "after noticing the".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested