by reason of

Idioms  

1. Because of, owing to, as in By reason of a crop failure, the price of coffee is bound to rise. This expression is considered quite formal today. [c. 1300]

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Example Sentences

Her lawyers had argued she was not guilty by reason of insanity and that the death of her husband in 2017 sent her into a depressive spiral.

From Barron's

While initially convicted of first-degree murder in Worden’s death, he was eventually declared not guilty by reason of insanity — diagnosed as schizophrenic — and was institutionalized until his death due to complications from cancer in 1984.

From Los Angeles Times

"There are not substantial grounds for believing there is a real risk of serious harm in Syria because of a serious and individual threat to a civilian's life or person by reason of indiscriminate violence in a situation of international or internal armed conflict," it adds.

From BBC

She went on to say the Met's powers did not "extend to the dismissal of a police officer by reason of withdrawal of vetting clearance".

From BBC

Starbucks in its initial response argued that Garcia did not sustain “any injury, damage or loss by reason of any act or omission” by its employees, court documents said.

From Los Angeles Times