The Caselaw Access Project offers free, public access to over 6.5 million decisions published by state and federal courts throughout American history. We make these decisions available in a variety of formats through a variety of different access methods.

Read more of "Search Update: Download Search Results as Dataset"

The Caselaw Access Project offers free, public access to over 6.5 million decisions published by state and federal courts throughout American history. Because our mission is providing access to legal information, we make these decisions available in a variety of formats through a variety of different access methods.

Read more of "New Updates to Search: Advanced Filters"

Courts and the legal publishers that serve them, by necessity, are creatures of habit. A case's fundamental structure hasn't changed much, whether published early in the 19th century or during the COVID pandemic. Even when publishers started taking their wares online, they didn't stray far from their well-worn model. In many ways, that's a good thing. I imagine legal research and writing would be much more arduous if fundamental case elements were as inconsistent as citation schema over the years.

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The other day, I noticed this on the side of the house.

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Last month we announced seven new data fields in the Caselaw Access Project. Here are API calls to the cases endpoint that demonstrate how to sort on these fields. Note the query strings, especially the use of the minus sign (-) to reverse order.

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We’re announcing a new layer of information in the Caselaw Access Project.

Among seven new data fields are PageRank, the all-time significance of a case based on our citation graph, and Cardinality, the number of unique words in a case. These and other fields derived from case text allow us to do things like identifying the longest court opinion ever published, or investigating how language in cases has changed over time. You can view analysis fields in the sidebar when browsing or via the API.

We want to hear about what you’ve learned and created using these fields. Let us know!

Today we’re sharing an update to Caselaw Access Project systems. This change shows one way libraries can support access to large datasets at low cost. Here’s how we did it.

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Today we’re sharing Cite Grid, a first visualization of our citation graph data. Citation graphs are a way to see relationships between cases, and to answer questions like “What’s the most cited jurisdiction?” and “What year was the most influential in U.S. case law?”

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The latest update to CAP makes bulk downloads of case metadata available by jurisdiction and reporter. This release also includes the cites_to field in bulk downloads, refines case citations, and removes duplicate volumes.

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This guest post is part of the CAP Research Community Series. This series highlights research, applications, and projects created with Caselaw Access Project data.

Jonathan H. Choi is a Fellow at the New York University School of Law and will join the University of Minnesota Law School as an Associate Professor in August 2020. This post summarizes an article recently published in the May 2020 issue of the New York University Law Review, titled An Empirical Study of Statutory Interpretation in Tax Law, available here on SSRN.

Do agencies interpret statutes using the same methodologies as courts? Have agencies and courts changed their interpretive approaches over time? And do different interpretive tools apply in different areas of law?

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