Westlaw Description
Westlaw is an online legal research platform from Thomson Reuters that provides access to extensive collections of legal authorities, research materials, and analytical tools. The software enables attorneys and legal researchers to search case law, statutes, regulations, administrative decisions, and secondary legal sources across multiple jurisdictions. Its WestSearch technology supports natural language searches, Boolean queries, citation lookup, and filtering to identify relevant legal information. KeyCite helps users verify the current status of legal authorities, identify citing references, and investigate potentially invalid or overturned decisions. The platform includes editorial enhancements such as attorney-written headnotes and the West Key Number System for organizing legal principles by subject. Westlaw Edge provides AI-assisted research, intelligent document analysis, and litigation analytics for investigating legal questions and developing case strategies. Its Quick Check tool analyzes uploaded legal briefs to identify potentially invalid citations, relevant authorities, and cases that may contradict existing arguments. Litigation Analytics provides information about judges, courts, attorneys, law firms, case types, and damages to support litigation planning. Westlaw Advantage expands these capabilities with agentic AI research workflows, advanced analysis, and tools for organizing legal findings into actionable research materials.
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