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
by reason of which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by reason of which" is correct and usable in written English.
It is typically used to indicate a cause or reason for something that follows in a sentence. Example: "The committee made a decision, by reason of which the project was approved."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
to avoid disruption
not yet completed
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
7 human-written examples
In those cases, the contract created a relationship between the defendant and third parties, by reason of which the law recognized a duty of reasonable care in the performance of the obligation, that supported a tort action.
Academia
A deduction is allowable under section 2055(b) for the value of property passing to or for the use of a transferee described in paragraph (a) of this section by the exercise, failure to exercise, release or lapse of a power of appointment by reason of which the property is includible in the decedent's gross estate under section 2041.
Academia
If the evidence was only for the purpose of showing present insanity by reason of which the accused was not capable of defending the charge of crime, it is an objection which should be taken before or at the time of his trial for the crime, and heard by the court having jurisdiction of the crime.
Academia
These feet are emblematic ones, by reason of which the so-called "war on terror" that's been waged by successive US administrations since 2001 becomes equated with America's Declaration of Independence.
News & Media
But in any case "what we seek is the cause, i.e., the form, by reason of which the matter is some definite thing; and this is the substance of the thing" (1041b6 9) and "the primary cause of its being" (1041b27).
Science
"Unfortunate circumstances and unhappy differences have arisen between the parties by reason of which they have lived separate and apart since February 23 , 1972 and by reason of which they intend to dissolve their marriage".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
He was judged not guilty by reason of insanity, which outraged the public.
News & Media
By reason of circumstances which cannot be divulged in this communication, we would elect to make this country our permanent residence. . . .
News & Media
The court ruled that a judge's pre-trial rulings prevented Mr. Miller from pleading not guilty by reason of insanity which resulted in a "constitutionally flawed jury trial".
News & Media
Prosecutors had originally asked a jury to find the man, Brian Thomas, not guilty by reason of insanity, which could have sent him to a psychiatric hospital.
News & Media
Mr. Tarloff's legal team plans to pursue a defense that he was not guilty by reason of insanity, which they said would result in his being held, probably for the rest of his life, in a psychiatric facility instead of a prison.
News & Media
Expert writing Tips
Best practice
When using "by reason of which", ensure that the sentence clearly establishes the causal relationship between the two elements. The phrase is more formal, so consider the tone of your writing.
Common error
Avoid using "by reason of which" in casual or informal contexts, as it can sound stilted or unnatural. Opt for simpler alternatives like "because" or "due to" in everyday writing.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by reason of which" functions as a subordinating conjunction introducing a relative clause that explains the cause or reason for something. It connects two clauses, where the second clause is a consequence or result of the first. Ludwig AI confirms its proper grammatical usage.
Frequent in
Academia
43%
News & Media
29%
Science
14%
Less common in
Encyclopedias
7%
Formal & Business
7%
Wiki
0%
Ludwig's WRAP-UP
In summary, "by reason of which" is a formal phrase used to indicate a causal relationship between two parts of a sentence. Ludwig AI analysis indicates the phrase is grammatically correct but not commonly used. It is most frequently found in academic, scientific, and legal writing. When using it, ensure the context is appropriate and the tone matches the formality of the phrase. Consider simpler alternatives like "because of which" or "due to which" for less formal writing. This phrase is suitable for establishing clear and precise connections between events in formal contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
because of which
Replaces "by reason of" with the more common "because of", maintaining a direct causal link.
due to which
Substitutes "by reason of" with "due to", offering a slightly more concise alternative for indicating causation.
as a result of which
Replaces "by reason of" with "as a result of", emphasizing the consequential nature of the relationship.
on account of which
Offers a more formal alternative, replacing "by reason of" with "on account of" to indicate causation.
in consequence of which
Presents a formal and somewhat emphatic alternative, highlighting the resulting effect.
whereby
Uses a single word to replace the entire phrase, creating a more concise and sophisticated expression of causation.
for which reason
Inverts the structure slightly, placing the reason before the "which" clause for a different emphasis.
by virtue of which
Replaces "by reason of" with "by virtue of", suggesting that something happens because of a specific quality or power.
in that
Uses a more concise phrase to introduce the reason or cause, suitable for tighter sentence structures.
that's why
Offers an informal alternative, suitable for less formal contexts.
FAQs
How can I use "by reason of which" in a sentence?
The phrase "by reason of which" connects two parts of a sentence, indicating that the second part is a consequence of the first. For example: "The company violated the contract, by reason of which they were sued."
What are some alternatives to "by reason of which"?
You can use alternatives like "because of which", "due to which", or "as a result of which" to express a similar causal relationship.
Is "by reason of which" formal or informal?
"By reason of which" is a more formal phrase. In informal contexts, simpler options like "because" or "that's why" are more appropriate.
In what kind of writing is "by reason of which" most suitable?
The phrase "by reason of which" is typically suited for formal writing, such as legal documents, academic papers, or official reports, where a precise and somewhat elevated tone is desired.
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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested