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June 2, 2025

AI Is Accelerating the Demise of the Billable Hour — Here's Why That's Good for Law Firms

In a profession long dominated by the billable hour, the rise of artificial intelligence is forcing a fundamental rethink of how legal services are priced, delivered, and valued. And that shift is accelerating faster than many expected.

A recent Bloomberg Law article highlights this transformation, citing Big Law leaders who say that AI adoption is pushing firms toward flat fees and alternative billing models — changes long requested by corporate clients.

"Firms are readily accepting flat fees... as they try to stay profitable while they assimilate AI tools." — Hilary Gerzhoy, partner at HWG LLC

Simply put: AI is making the billable hour look obsolete.

Why the Legal Business Model Is Evolving

Traditionally, the billable hour rewarded inefficiency and discouraged innovation. But as AI automates tasks like document review, contract drafting, legal research, and entity formation, it becomes harder for firms to justify billing by the hour for work that now takes minutes.

The result? A growing appetite for value-based pricing models — ones that reward outcomes, not effort.

"This may not be the moment that the billable hour dies, but AI will spur new types of payment arrangements." — Jason Kreiser, McDermott Will & Emery

AI Is Not Just Smarter. It's Strategic.

While AI still comes with risks — like hallucinations or improper usage — its ability to handle repetitive legal workflows is undeniable. More importantly, it's creating leverage:

  • For law firms: to reallocate time toward higher-value client advisory work
  • For clients: to receive faster, more predictable legal service at a lower cost
  • For the legal industry: to rethink profitability beyond hours logged

Firms that embrace AI are gaining a competitive edge not only in productivity but in how they align with client expectations around transparency and value.

Enter Agentic AI: The Next Frontier

The Bloomberg article also points to the rise of agentic AI — intelligent software that can complete tasks, make decisions, and evolve with context.

"Agents are the next up and coming thing." — Josh Noffke, AI strategist

These tools won't just assist lawyers — they'll act on their behalf within defined workflows. For law firms, this opens automation opportunities in matter intake, compliance monitoring, conflict checks, CRM data cleansing, and proactive legal alerts.

The implications go far beyond cost savings. They touch business development, relationship management, and long-term strategic positioning.

AI Isn't Replacing Lawyers — It's Replacing Outdated Models

The legal industry doesn't need to fear AI. It needs to reframe how it defines value.

"This is a new arms race." — Michael Shea, CIO at McDermott Will & Emery

The firms that thrive will be the ones that use AI not just to cut costs — but to build smarter, more client-centric businesses.