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Thomson Reuters Westlaw is the industry's most preferred online legal research service year after year. With Westlaw, you can find the legal information you are looking for quickly and confidently so you can build the strongest argument possible. You need to know you are relying on accurate law - because your practice depends on it.
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We continually invest in our content and technology. The latest: a fresh, easy way to find and use Secondary Sources on Westlaw.
Did you know…Westlaw is the most preferred online legal research service?
Westlaw helps to make sure you don't miss anything by serving up the most on-point documents. With access to the largest collection of legal information, backed by our rigorous editorial process, you can access legal resources such as:
Our team of bar-admitted attorney editors are tracking changes in the law every day so you can trust that the law you get is accurate and up to date.
Westlaw leverages a long-standing history of proprietary analysis of the law and exclusive tools like Key Numbers and KeyCite, as well as headnotes, notes of decisions, indexes, and secondary sources.
Couple our editorial excellence with WestSearch, the world's most advanced legal search engine, and you quickly get the documents most relevant to your search query.
The introduction of WestSearch, the only search engine designed specifically for the practice of law, was a significant leap in the application of Natural Language processing, machine learning, and information retrieval. WestSearch was a milestone event in advancement of legal technology, but we didn't stop there.
Check out the latest enhancementsYear after year, Westlaw is voted Best Online Legal Research Service by industry professionals. In fact, Westlaw has been named the most preferred online legal research service for 13 years running, as recognized by the ABA.
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WATCH: Introduction to Westlaw (9:44)
"When you've got a research tool like Westlaw, there is no reason not to be complete and thorough in your research."
Tom Carpenter
City Attorney
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