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London-Based Antidote Raises $5M to End the Era of Lost Billable Hours with Real-Time AI

Posted on January 21, 2026

Big news in the legal tech space: Antidote has closed a $5 million seed round led by Lakestar, bringing their total funding to $7 million.

Law firms are currently losing 8–12% of billable hours every year. Why? Because complex Outside Counsel Guidelines (OCGs) and manual, end-of-month reviews lead to massive write-offs and rejected invoices.

Antidote stops revenue leakage by integrating directly with a firm’s time-tracking software. Its AI reviews time entries in real-time, flagging compliance issues and suggesting fixes before the invoice is even generated.

With this fresh capital, Antidote plans to:

Advance its AI capabilities.

Deepen integrations with legal practice systems.

Expand its presence across the US.

As CEO Nicholas d’Adhemar explains, the goal is to “remove the manual work and shift compliance upstream, when the work is done, not when you’re trying to send out the bill.”

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