CourtListener is a powerful free legal research website containing millions of legal opinions from federal and state courts. Users can search these opinions by case name, topic, or citation for over 402 jurisdictions. Lawyers, academics, and the public can research an important case, stay up to date with new opinions as they are filed, or do deep analysis using CourtListener’s raw data. There are even oral arguments from many jurisdictions, judge profiles, and documents from the federal PACER system.
This site is sponsored by the Non-Profit Free Law Project /, which seeks to provide free access to primary legal materials, develop legal research tools, and support academic legal research. The Project works with volunteers to expand efforts at building an open source, open access, legal research system.
What makes CourtListener stand out for me is that is has a citator that shows you which subsequent opinions have cited to the opinion you are viewing, an important tool in researching whether a given precedent is still good law. Many free sites lack such a tool. Also, the search filters, advanced search options, and relevancy search enhancements produce refined search results. Especially useful is the free access to PACER documents provided through the RECAP Archive.
Give CourtListener a try!