About Us

Lex Machina provides Legal Analytics to companies and law firms, enabling them to craft successful strategies, win cases, and close business.

Legal Analytics® combines data and software to provide the winning edge in the highly competitive business and practice of law. Our unique Lexpressions engine creates data sets never before available about judges, lawyers, parties, and the subjects of lawsuits, out of millions of pages of litigation information. With this data, for the first time, lawyers can predict the behaviors and outcomes that different legal strategies will produce.


Based in Silicon Valley, Lex Machina emerged from Stanford’s Law School and Computer Science department. The company is part of LexisNexis, a leading information provider and a pioneer in delivering trusted legal content and insights through innovative research and productivity solutions, supporting the needs of legal professionals at every step of their workflow. By harnessing the power of Big Data, LexisNexis provides legal professionals with essential information and insights derived from an unmatched collection of legal and news content—fueling productivity, confidence and better outcomes.

Lex Machina Celebrates 10 Years of Legal Analytics

CIO Review selected Lex Machina as one of the
“10 Most Promising Legal Technology Solution Providers”

read the review


Corporate counsel use Lex Machina to select and manage outside counsel, protect company assets, and compare performance with competitors. Corporate customers include Microsoft, eBay, Allstate and Apotex, along with startups and other companies. Attorneys at law firms use Lex Machina to pitch and land new clients and win lawsuits. Law firm customers include Wilson Sonsini, Fenwick & West, Fish & Richardson, Morgan Lewis, and many others, from boutiques to the AmLaw 100.