Shepard's Citation Service is available in Nexis Uni. The Shepard's Service provides users with a report to indicate whether the case, law, or source that you wish to cite is still valid and citable (good law) or if it has been negatively questioned or overturned (bad law).
For example:
When viewing a document, you can also click on the Shepard's Signal (1st image) or the Shepardize This Document link within the document; likewise you can also turn on Show Signals in the Shepard's box (2nd image).
Warning: Negative treatment is indicated
The red Shepard's Signal indicator indicates that citing references in the Shepard's� Citations Service contain strong negative history or treatment of your case (for example, overruled by or reversed). |
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Warning: Negative treatment is indicated for statute
The red exclamation point Shepard's Signal indicator indicates that citing references in the Shepard's Citations Service contain strong negative treatment of the Shepardized section (for example, the section may have been found to be unconstitutional or void). |
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Questioned: Validity questioned by citing references
The orange Shepard's Signal indicator indicates that the citing references in the Shepard's Citations Service contain treatment that questions the continuing validity or precedential value of your case because of intervening circumstances, including judicial or legislative overruling. |
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Caution: Possible negative treatment indicated
The yellow Shepard's Signal indicator indicates that citing references in the Shepard's Citations Service contain history or treatment that may have a significant negative impact on your case (for example, limited or criticized by). |
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Positive treatment indicated
The green Shepard's Signal indicator indicates that citing references in the Shepard's Citations Service contain history or treatment that has a positive impact on your case (for example, affirmed or followed by). |
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Citing references with analysis available
The blue "A" Shepard's Signal indicator indicates that citing references in the Shepard's Citations Service contain treatment of your case that is neither positive nor negative (for example, explained). |
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Citation information available
The blue "I" Shepard's Signal indicator indicates that citing references are available in the Shepard's Citations Service for your case, but the references do not have history or treatment analysis (for example, the references are law review citations). |