方舟子因为对“肖氏反射弧”这一理论及其提出者肖传国在学术界的地位提出严厉质疑，而遭到肖传国的起诉并败诉。

Fang was sued by Xiao, because he harshly questioned the theory of "Xiao reflex arc" as well as the academic standing of Xiao Chuan Guo, who was its inventor.

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Fang lost a case that was brought forward by Xiao, for his harsh questioning on the validity of the theory of "Xiao reflex arc", as well as the academic credentials of its inventor, Xiao Chuan Guo.