In these circumstances, very little affirmative evidence on the part of the plaintiff will justify the drawing of an inference of causation in the absence of evidence to the contrary. (macleanpersonalinjury.com)
The defendant ought to adduce affirmative evidence of prejudice, because there are limits to a plaintiff's ability to speculate about what prejudice the delay may have caused the defendant. (practicepro.ca)
He visited the official White House Judicial Nominations page to find multiple instances when the president cited the ABA ratings as affirmative evidence of a nominee's qualifications. (legalblogwatch.typepad.com)