Search millions of opinions across hundreds of jurisdictions. Updated constantly. Look up a specific citation AND - Intersection " " - Phrase search ( ) - Grouped queries : - Fielded search *, ? - Wildcard ~ - Fuzzy and proximity [x TO y] - Ranges About the CourtListener Case Law Database The case law in CourtListener has been collected since 2009 by Free Law Project , a non-profit devoted to high-quality legal data. We have collected these case law so that lawyers, researchers, journalists, corporate organizations, and the public can have easy access to it. We have gathered and curated case law from a variety of sources, including court websites, information donations, Public.Resource.org , and the Supreme Court Database . This work has been possible thanks to financial and volunteer support from a growing list of people and organizations. If this work is valuable to you, your research, or your organization, please donate or become a member so our work can continue and thrive.

Donate Now Join Free.law Our case law database combines the best data from many sources. On our coverage page , you can see court-by-court graphs of what we have and can see which courts we get data from on an ongoing basis. We are particularly proud of our Supreme Court data, which we consider to be the best collection available. We have made thousands of corrections to the other publicly available data sets, and have enhanced it with data from the Library of Congress and the Supreme Court Database . Learn About Our Supreme Court Data CiteGeist™ Relevancy Engine The CourtListener search engine has been optimized over the years to provide the most relevant and important cases at the top of the results. The system we use for this is named CiteGeist, and it works by analyzing your query and combining that with information about the citations between cases. Read About CiteGeist For the courts where we get content on an ongoing basis , you can set up alerts for any search query. This way, you get an email whenever there is a new decision matching your query. Some popular queries are your company name or that of your competitor, a legal area that you follow, or even a citation alert that emails when a certain case is cited. We also offer custom RSS feeds for any search query. To get started, do a search, then save it as an alert from the sidebar of your list of results. Even More Advanced Searching You can do even more advanced searches by using fielded searches and query operators. Sign up to receive the Free Law Project newsletter with tips and announcements.