"Judges have been issuing sanctions. Bar associations have been issuing warnings. And in courtrooms across the country, lawyers have been caught submitting briefs containing citations to cases that never existed-ghost precedents conjured by AI tools that state falsehoods with quiet authority. None of it has slowed down BigLaw's AI bet. If anything, the industry is doubling down."
"On Tuesday, Anthropic announced its most expansive push yet into legal workflows, releasing more than 20 new integrations with the tools law firms already rely on. They include 12 role-specific AI plugins covering everything from M&A due diligence to employment handbook drafting, and a cross-app integration with Microsoft 365 that embeds Claude across Word, Outlook, Excel, and PowerPoint as a single context-carrying agent."
"The underlying model, Claude Opus 4.7, scored 90.9% on Harvey's BigLaw Bench, the legal industry's most closely watched AI benchmark that puts the tech through rigorous legal test uses with the ultimate goal of using LLMs to substitute for billable hours. Anthropic boasted many big-name adopters as it unveiled the tools."
"Freshfields, Quinn Emanuel Urquhart & Sullivan, Holland & Knight, and Crosby Legal are all using Claude on live matters, the firms jointly announced alongside Anthropic. And they said that a plethora of legal AI products-Harvey, Legora, Solve Intelligence, and Eve-are built on Claude's underlying models. More than 20,000 legal professionals signed up for Anthropic's most recent legal webinar, which the company described as the largest legal session it has ever held."
Judges and bar associations have issued sanctions and warnings after lawyers submitted briefs citing cases that never existed, described as ghost precedents generated by AI tools. Despite these issues, BigLaw continues expanding its AI investments. Anthropic announced more than 20 new integrations for legal workflows, including 12 role-specific AI plugins for tasks such as M&A due diligence and employment handbook drafting. A cross-application integration embeds Claude across Microsoft 365 apps while maintaining shared context. Claude Opus 4.7 reportedly scored 90.9% on Harvey’s BigLaw Bench. Major law firms including Freshfields, Quinn Emanuel, Holland & Knight, and Crosby Legal are using Claude on live matters, and other legal AI products are said to be built on Claude models. Over 20,000 legal professionals attended Anthropic’s latest legal webinar.
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