"The law based on judicial opinions (including decisions that interpret statutes), as opposed to law based on statutes, regulations, or other sources. Also refers to the collection of reported judicial decisions within a particular jurisdiction dealing with a specific issue or topic." Nolo's Plain-English Law Dictionary
Legal Research: A Guide to Case Law (Law Library of Congress)
How to Find Free Case Law Online (Law Library of Congress) - see WSU-only and free sources below as well.
United States Supreme Court Cases. FindLaw. FindLaw's searchable database of the Supreme Court decisions since 1760 (U.S. Supreme Court Decisions: U.S. Reports 1- ). Browsable by year and U.S. Reports volume number, and searchable by citation, case title and full text. Also includes an archive of Opinion Summaries from September 2000 to the present.
Supreme Court of the United States. Official website of the United States Supreme Court provides PDF copies of U.S. Reports from vol. 502 (October 1991 term) to the present, as well as other information about the Supreme Court and Supreme Court justices. Includes search option.
The Supreme Court Database. Washington University Law. The Database contains over two hundred pieces of information about each case decided by the Court between the 1791 and 2017 terms. Examples include the identity of the court whose decision the Supreme Court reviewed, the parties to the suit, the legal provisions considered in the case, and the votes of the Justices.
United States Courts Opinions. United States Courts Opinions collection is a project between the U.S. Government Printing Office and the Administrative Office of the United States Courts to provide access to opinions from selected United States appellate, district, and bankruptcy courts, back to April 2004. Includes search option.
U.S. Federal Courts of Appeals Case Law. Justia. Justia, a company that makes primary legal materials available free on the Internet, provides digital copy of U.S. Courts of Appeals decisions back to 1901. These are decisions that were published in the Federal Reporter Second Series and Third Series, as well as more recent decisions.
U.S. Federal District Court Case Law. Justia. Justia, a company that makes primary legal materials available free on the Internet, provides digital copy of U.S. Federal District Courts opinions back to 1924. These are decisions that were published in the Federal Supplement and the Federal Supplement Second Series, as well as more recent decisions.
Oyez. Legal Information Institute. Cornell Law School. Oyez is a multimedia archive devoted to making the Supreme Court of the United States accessible to everyone. It is a complete and authoritative source for all of the Court's audio since the installation of a recording system in October 1955. Oyez offers transcript-synchronized and searchable audio, plain-English case summaries, illustrated decision information, and full text Supreme Court opinions, from 1789 to the present.
United States Supreme Court, Courts of Appeals, and District Courts Opinions. Available via Nexis Uni. WSU Only Access.
Washington State Judicial Opinions Website. Washington Courts. A free site with published opinions from the Washington Supreme Court and Courts of Appeals, dating back to territorial days. Opinions on this website are the officially edited opinions and are published 60-90 days after slip opinions are filed. Includes search option.
Washington State Court Slip Opinions. Washington Courts. This website provides slip opinions from the Supreme Court and the Court of Appeals that were filed after February 22, 2013. Slip opinions are the opinions that are filed on the day that the appellate court issues its decision and are often not the court's final opinion. Includes search option.
Washington State Supreme Court and Courts of Appeals Opinions. Available via Nexis Uni. WSU Only Access.
Cases and Codes. State Resources. FindLaw. Provides links to state Supreme Court and Court of Appeals opinions. Dates of coverage vary by state.
State Supreme Court and Court of Appeals Opinions. Available via Nexis Uni. WSU Only Access. Nexis Uni provides access to all state Supreme Court and Court of Appeals opinions back to statehood or territorial days. Extensive search options.