Also known as:pro querentem · for the plaintiff · on behalf of the plaintiff
Written by attorneys · grounded in primary & secondary sources — see below
A Latin phrase used in old law reports to designate the plaintiff's advocate.
Sources & Authorities· 4 primary sources
Select any source to read its text and confirm it supports the definition.
Cases
Statutes
Federal Rules
Restatements
How it applies
Common Examples
6
Advocate Argument on Reckless Conduct
An 1893 collision report described the advocate pro querente presenting evidence that the defendant ignored clear safety warnings. The court examined whether the plaintiff's own actions affected recovery under the applicable standard. The notation identified the advocate appearing for the injured party.
Burden Shift in Alternative Liability
A 1948 California report labeled the advocate pro querente who urged the court to shift the causation burden to the defendants. Each defendant then had to show its conduct did not cause the harm. The notation identified counsel for the injured plaintiff.
An early twentieth-century report noted the advocate pro querente contending that the plaintiff's contributory negligence did not bar recovery. The court evaluated the defendant's conduct against the reckless-disregard standard. The label identified the advocate for the injured party.
Pleading Standard in Securities Suit
A 1907 securities report used the phrase advocate pro querente to identify counsel urging the strong-inference test for scienter. The complaint survived because the facts collectively supported the required inference. The notation marked the advocate appearing for the plaintiff.
Tellabs, Inc. v. Makor Issues & Rights, Ltd.551 U.S. 308 (2007)
Jury Selection Equal Protection Claim
An 1880 report labeled the advocate pro querente who argued that the state's peremptory strikes violated constitutional guarantees. The court examined whether the strikes rested on permissible neutral reasons. The designation identified plaintiff's counsel.
Strauder v. West Virginia100 U.S. (10 Otto) 303 (1879)
Enforceability of Shrinkwrap License
A 1996 contract report referred to the advocate pro querente who maintained that the buyer manifested assent by using the product. The court held the terms enforceable under ordinary contract principles. The label identified the advocate for the purchaser.
ProCD, Inc. v. Zeidenberg86 F.3d 1447 (7th Cir. 1996)
Common questions
Frequently Asked
3
What does pro querente mean in old law reports?+
It designates the advocate appearing for the plaintiff. The opposing advocate is labeled contra. The abbreviation pro quer. is also used.
How is pro querente distinguished from pro defendente?+
Pro querente identifies the plaintiff's side while pro defendente identifies the defendant's side. The labels appear in older case reports to indicate which party each advocate represents.
Is pro querente still used in modern opinions?+
Modern opinions rarely employ the phrase. It survives mainly in historical materials and in references to older reports.
3 Cai. R. 175 (N.Y. 1805)Property
…and pursued, did, in the sight of Post, to prevent his catching the same, kill and carry it off. A verdict having been rendered for the plaintiff below, the defendant there sued out a certiorari, and now assigned for error, that the declaration and the matters therein contained were not sufficient in law to maintain an action. This…