July 20, 2026


Biglaw's Breakup with the Billable Hour: AI Could Revolutionize Legal Billing

Innovations in AI Prompt Biglaw to Rethink Traditional Billing Models

In the evolving landscape of legal services, the billable hour has long reigned supreme as the cornerstone of law firm billing practices. But change may be on the horizon, as leaders within the industry, such as Sunny Mann, global chair of Baker McKenzie, suggest it's time for a significant shift. During a recent episode of Bloomberg Law’s On The Merits podcast, Mann emphasized the need for the legal sector to "collectively move on in our thinking to get alternative fee arrangements working in the right way."

The impetus for this transformation? Artificial intelligence. With AI technologies becoming increasingly sophisticated, they offer the potential to streamline numerous legal processes, potentially altering how law firms approach billing their clients.

The AI Effect: More Than Just Efficiency

AI’s impact on the legal industry extends beyond mere efficiency improvements. It introduces a new paradigm where the value provided to the client can be more transparent and aligned with the outcomes rather than the hours worked. This shift could lead to the adoption of alternative fee arrangements, such as fixed fees, value-based billing, or contingency fees, which many clients find more predictable and satisfactory.

Challenges and Opportunities Ahead

While the idea of moving away from the billable hour is appealing for reasons of efficiency and client satisfaction, the transition presents challenges. Law firms will need to rethink their financial structures, compensation models, and client relationships. Moreover, there is a cultural shift that needs to occur within firms, as the billable hour is deeply ingrained in the legal profession's identity and operations.

Despite these challenges, the opportunities presented by AI in legal billing are too significant to ignore. By automating tasks and using data analytics, AI can help firms make more informed decisions about how they manage their resources and interact with their clients. This not only has the potential to improve profitability but also client relationships, as firms can focus more on delivering quality and outcomes.

Looking Toward a Future Shaped by AI

As we stand on the brink of this potential revolution in legal billing, the industry's leaders are tasked with navigating these uncharted waters. The transition will require not only technological adoption but also a change in mindset from all stakeholders involved.

The conversation initiated by figures like Sunny Mann is just the beginning. As AI continues to evolve, so too will its influence on the legal field, promising a future where the billable hour might no longer be the gold standard. This is a development that clients and attorneys alike should watch closely, as it will shape the future of legal services and redefine what it means to practice law in the modern age.