Anthropic Legal AI Tool Triggers Sharp Sell Off in Software Stocks

A new artificial intelligence launch from Anthropic has sent ripples through global stock markets, especially among companies tied closely to legal software and data services. The announcement has raised concerns that AI driven automation could disrupt long established business models in the legal technology space.

Anthropic recently introduced a legal focused AI tool as part of its Cowork service. The company says the tool is designed to assist with tasks such as reviewing contracts, summarising legal documents, and drafting legal briefs. While Anthropic has stressed that the tool is not meant to replace lawyers, it has clearly signaled how quickly routine legal work could be transformed by AI.

Investor reaction was swift. Shares of several major software and information service firms dropped sharply following the news. Companies such as RELX and Wolters Kluwer saw their stock prices fall by more than ten percent, while Experian recorded a decline of around nine percent. Other firms including Thomson Reuters, LegalZoom, FactSet, and London Stock Exchange Group also came under selling pressure.

Market analysts believe the sell off reflects fears that services once sold at premium prices could now be delivered faster and cheaper through AI. Investors are worried that law firms and corporate clients may rethink spending on traditional legal software if AI tools can handle similar tasks more efficiently.

Experts also note that Anthropic move highlights growing competition in the legal AI sector. According to analysts at Morgan Stanley, increasing competition could hurt established players in the short term as pricing power weakens and innovation costs rise.

Anthropic is not alone in this race. Startups like Harvey AI and Legora have already attracted billions in investment to build AI solutions for legal professionals. However, Anthropic stands out because it develops its own core AI models rather than relying on third party systems.

With uncertainty still high, analysts expect continued volatility in software and tech stocks. The coming months are likely to reveal which companies adapt successfully to the AI shift and which struggle to keep pace.