Legal Solutions | USA
Use KeyCite to instantly verify whether a case, statute, regulation or administrative decision is still good law or whether a patent or trademark is still valid. Exclusively on Thomson Reuters Westlaw™, KeyCite is the industry’s most complete, accurate and up-to-the-minute citator.
KeyCite editors review cases, statutes, regulations, administrative decisions, patents and trademarks, so you can use KeyCite at every step of your research to help you find, understand and analyze the law.
To learn about KeyCite flags for statutes, regulations, patents and trademarks, view the KeyCite User Guide.
No longer good law for
at least one point of law.
Document has some
Case has been appealed to
the U.S. Court of Appeals
or the U.S. Supreme Court.*
The KeyCite Citing Reference tab shows how other authorities have interpreted that document so you can quickly see the depth of the discussion and the topics discussed in the citing case.
EXAMINED – Contains extended discussion of the cited case or administrative decision; usually more than a printed page of text.
DISCUSSED – Contains substantial discussion of the cited case or administrative decision; usually more than a paragraph but less than a printed page.
CITED – Contains some discussion of the cited case or administrative decision; usually less than a paragraph.
MENTIONED – Contains a brief reference to the cited case or administrative decision; usually in a string citation.
Since 1997, KeyCite has provided the trusted expertise and commitment to accuracy you need to build the strongest argument with total confidence. Take a deeper look at the evolution of KeyCite over the last 20 years:
Survey of KeyCite over 20 years
Since launching in 1997, KeyCite on Westlaw has evolved into the industry’s most complete, accurate and up-to-the-minute citator.
Why You Need KeyCite
Research more efficiently and always stay up-to-date. Discover what KeyCite can do for you.