Also known as: affirmative proofs · affirmative evidence
Written by attorneys · grounded in primary & secondary sources — see below
An evidentiary showing by which a party produces evidence that directly establishes the existence of a disputed fact. The showing must affirmatively demonstrate the required element rather than merely rebutting contrary evidence or relying on a presumption.
Dr. Patel began an appendectomy on Andre Antoine under anesthesia. Upon opening the abdomen, Dr. Patel discovered a life-threatening rupture requiring immediate additional procedures. Andre later sued for battery. Dr. Patel prevailed because the hospital records supplied affirmative proof of conditions that would have led a reasonable patient to consent to the extension.
Prosecutors charged Alfred Ashford with possessing firearms found in a car he was driving. The trial court instructed the jury on a permissive inference of possession. Alfred offered no testimony. The jury convicted because the prosecution's circumstantial evidence supplied affirmative proof of control sufficient to support the inference.
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Abigail Alvarez was tried for murder. She introduced lay testimony that she had been delusional at the time of the shooting. The government responded with expert evidence of her planning. The jury rejected the defense because Abigail failed to supply affirmative proof that her mental condition negated criminal responsibility.
Atlas Ventures sued Anchor Bank for breach of a loan agreement. Anchor moved for summary judgment with affidavits showing timely payments. Atlas responded with only argument that the affidavits were self-serving. The court granted summary judgment because Atlas supplied no affirmative proof creating a genuine dispute of material fact.
Amelia Amari sued Aether Technologies for statements that harmed her consulting business. The company produced evidence of preexisting client complaints. Amelia offered no documents or testimony linking lost revenue to the statements. The court dismissed the damages claim because Amelia failed to provide affirmative proof of causation.
Apollo Energy sued a consumer group for a critical product review. The jury found actual malice. On appeal the court independently examined the record and reversed because the plaintiff had not supplied affirmative proof that the reviewers knew the statements were false or acted with reckless disregard.
The plaintiff always bears the burden of producing affirmative proof on each element of the claim, including causation of special damages in defamation and publication in injurious falsehood. The defendant has no obligation to disprove the element once the plaintiff fails to meet that burden.
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A permissive presumption or inference does not relieve the prosecution or plaintiff of the duty to supply affirmative proof. The fact-finder may still reject the inference even when the opposing party offers no rebuttal evidence.
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A party opposing summary judgment cannot rest on allegations and must instead produce affirmative proof creating a genuine issue of material fact. Failure to do so results in judgment for the moving party.
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…of recovery under such circumstances. A nonrebuttable presumption of reliance — or even worse, allowing recovery in the face of "affirmative evidence of nonreliance," Zweig v. Hearst Corp., 594 F. 2d 1261, 1272 (CA9 1979) (Ely, J., dissenting) — would effectively convert Rule 10b-5 into "a scheme of investor's insurance." Shores v.…