"deemed ethical" is correct and usable in written English.
You can use it to indicate that something has been judged to be ethical based on accepted criteria. For example, "The research team deemed the action ethical after conducting an extensive analysis of the potential risks and benefits."
Others saw ethics in a broad sense where all kinds of problem were deemed ethical considerations.
Chinese scientists attempted to alter genes in human embryos that cause a blood disorder, beta thalassemia, in an experiment deemed ethical by a Chinese national committee because the embryos were not viable.
We did not do this in the current study as it was not deemed ethical for us to recruit at-risk children and not offer an intervention for 12 months.
The inclusion of monetary incentives was deemed ethical, given the burden of questionnaire completion.
It was not deemed ethical to include a no screening arm for women aged 50-59.
Conversely, what is deemed ethical in the West could be unethical in situations where resources are not so abundant.
On the face of it, the plan seems like a radical, if straightforward, way to woo shoppers who are increasingly spending money on products they deem ethical.
The regional ethical committee deemed an ethical review of the study unnecessary.
In fact, Ethisphere's own Ethics Premium study shows how companies deemed as ethical perform considerably better as compared to the Large Cap Index.
In consultation with the Trust, it was deemed that ethical approval was not required for its implementation.
In the Kuwaiti culture, this method of obtaining informed consent from the Ministry of Education, the KSAAC, and the school principals, is deemed sufficiently ethical for such a study.
