Use Shepard's to Validate Good Law

Only Shepard's provides the full spectrum of analysis from very negative (overruled) and negative (questioned by) through mild negative (distinguished) to true positive (followed). You need to be certain the law you're citing is still good law and Shepard's is the only citation-verification service that you can trust to show you the complete picture, including splits of authority. That's why it has been the trusted leader in citation research for 137 years.