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
at the time of completion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of a sentence "at the time of completion" is correct and can be used in written English.
You can use it to refer to when something was finished, or is planned to be finished. For example, "We must submit the project at the time of completion in order to get a bonus."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
upon finishing
once completed
on conclusion
upon completion
at the point of conclusion
following finalization
when finalized
subsequent to finishing
after the culmination
following the conclusion of
at the time of obtaining
once finished
at the time of implementation
at the time of publication
after finishing
at the time of execution
once the task is complete
on finishing
at the time of opening
Upon completion
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
60 human-written examples
At the time of completion of the weekly cisplatin and daily etoposide there were four complete responses (CR) and seven partial responses (PR) in the 28 platinum-refractory patients (39%), three CR and 26 PR in the 32 intermediate-sensitive patients (91%), and five CR and 24 PR in the 38 platinum-sensitive patients (76%).
Science
At the time of completion of the survey, 55 (19.8%) dogs were dead, 17 (31%) of which were reported to have died suddenly and unexpectedly.
Science
At the time of completion of the survey, the majority of these patients were severely immunosuppressed (median CD4+ count, 120/mm3).
Academia
There is a lag, because the Land Registry data is at the time of completion, while lenders report prices at the mortgage approval stage, but the direction and rate of change is broadly similar.
News & Media
According to a 2011 National Science Foundation survey, 35percentt of doctorate recipients — and 43percentt of those in the humanities — had no commitment for employment at the time of completion.
News & Media
A spokesperson for Abbey explains: "All shareholders at the time of completion of the transaction automatically received new Santander shares so there are no unclaimed entitlements, only holdings where contact may have been lost with a shareholder, due to them not keeping their registered details up to date".
News & Media
A will drawn up by non-professionals could be contested in court if it aggravates family members, so make sure it is prepared by a qualified solicitor and, if you are elderly, add a note from your doctor confirming you are of sound mind at the time of completion.
News & Media
Most rivers in Italy are segmented by dams that need rehabilitation because of (1) safety requirements by increasingly risk-averse societies, (2) changes in the downstream river and riparian system after dams building, (3) poor initial design at the time of completion and (4) modified priorities of watershed management.
Science
[24] The recall period is "today" (at the time of completion).
None of the patients had received antiviral therapy at the time of completion of study.
Academia
The Three Gorges Dam above with images from September 1993 to August 2016 was the world's largest hydroelectric power plant at the time of completion.
News & Media
Expert writing Tips
Best practice
When using "at the time of completion", ensure the context clearly specifies what is being completed. Be precise about the subject to avoid ambiguity.
Common error
Avoid using future tenses with "at the time of completion" if referring to a past event. Use past perfect or simple past to maintain clarity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at the time of completion" functions as a prepositional phrase, modifying a verb or noun by indicating a specific point in time when an action or state occurs. Ludwig examples show its use in various contexts, specifying when evaluations, assessments, or other events take place.
Frequent in
Science
65%
News & Media
18%
Academia
12%
Less common in
Wiki
3%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "at the time of completion" is a versatile prepositional phrase used to denote a specific moment when something concludes. Ludwig AI confirms that it is grammatically correct and frequently used across various domains, including science, news media, and academia. While alternatives like "upon finishing" or "once completed" exist, "at the time of completion" offers a formal and precise way to express the timing of events relative to a project's conclusion. Remember to ensure clarity in your writing by specifying what exactly is being completed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the point of conclusion
Stresses the specific moment when something ends or is finalized.
once completed
Highlights the state of completion as a condition for something else to occur.
upon finishing
Focuses on the action of finishing rather than a specific moment.
on conclusion
More formal and concise, suitable for official or technical contexts.
following finalization
Emphasizes the process of making something final before a subsequent action or event.
when finalized
Emphasizes the state of being finalized, implying readiness or approval.
subsequent to finishing
Formally indicates a temporal sequence following the act of finishing.
after the culmination
Highlights the result of a process or series of events.
on the final day
Focuses on the specific date of completion.
when the process is done
Informal way to express when something is completed.
FAQs
How can I use "at the time of completion" in a sentence?
You can use "at the time of completion" to specify when something was finished in relation to another event. For example, "The project was evaluated "at the time of completion" to ensure it met all requirements."
What are some alternatives to "at the time of completion"?
Alternatives include "upon finishing", "once completed", or "on conclusion", depending on the desired level of formality.
Is "at completion" the same as "at the time of completion"?
"At completion" is a shorter, slightly less formal version of ""at the time of completion"". Both can be used to indicate when something is finished, but the longer phrase provides more emphasis on the specific moment.
Which is correct: "at the time of completion" or "upon completion"?
Both phrases are correct, but ""at the time of completion"" specifies a particular moment when something is finished, while "upon completion" often implies immediately after something is finished.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested