A term used in the legal profession to describe the process of using a citator to discover the history of a case or statute to determine whether it is still good law.

The expression is derived from the act of using Shepard's Citations. An individual checking a citation by shepardizing a case will be able to find out various information, such as how often the opinion has been followed in later cases and whether a particular case has been overruled or modified.


Shepard's® Citations.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
It also deletes the appendix on Shepardizing in print.
* Shifting minor routines to Secretaries or Word Processing departments (pulling cases, statutes, Shepardizing, cite checking, monitoring dockets, etc.)
Full text searching enables a new emphasis on quotes over holdings and "words over concepts." (8) Gone are the days of hunting for principles of law in a digest or Shepardizing a case for ones with similar facts.
A number of factors distinguish online medical journal data (such as MEDLINE/PubMed and Scopus) from legal research databases (Lexis Nexis and Westlaw); however, one major difference that could substantially improve the experience of users of medical journal databases is the adoption of a technique from legal research databases known as "shepardizing" [1-4].
Keyciting and Shepardizing are also critical to ensure the law you cite is still valid.
two searches: 1) shepardizing Lands Council and 2) performing a search
(36) First used at common law primarily for oral "Shepardizing," amicus filers also called attention to "manifest error, to the death of a party to the proceeding, and to existing appropriate statutes." (37) For example, in Prince's Case, (38) two amici alerted the court to a provision in the Act of Parliament which they thought helpful to the decision of the case.
(30.) Shepardizing the opinion establishes that thirty-one cases have cited Citrin since the decision was issued in March 2006.
This Rule has particular applicability in cases where a lawyer has done some research, but failed to perform a basic task, such as Shepardizing. (49) A number of courts have faulted attorneys for failing to Shepardize, either in print or, more recently, electronically.
"Shepardizing" Chevron on Lexis produces 1,070 citing decisions in the five year period between 1984 and 1989 immediately following the original Chevron decision.
The days of getting eye strain from Shepardizing cases are gone; computerized tools replace the red books and scattered pamphlets you remember with fear and loathing.