Toronto-based legal AI company Alexi has filed antitrust counterclaims in U.S. federal court against Clio, vLex, and Fastcase, alleging that Clio’s $1-billion acquisition of vLex and Fastcase violates Section 7 of the Clayton Act and suppresses competition in AI-powered legal research.
The filing argues that Clio is using the acquisition and subsequent breach-of-contract litigation to block Alexi’s access to one of only three comprehensive U.S. caselaw databases, an essential input for training and operating legal AI systems. Alexi says the conduct amounts to anticompetitive behaviour, tortious interference, and “sham litigation” designed to neutralize a key competitor and stifle innovation across the legaltech market.
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