Reus excipiendo fit actor
By raising an exception, the defendant becomes the plaintiff.
The Shield and the Sword
In Roman law, the advocate had two weapons: the actio—the sword, the offensive claim—and the exceptio—the shield, the defense that transforms.
Every criminal defendant faces the actio of the state—the full weight of prosecutorial power, investigative resources, and institutional momentum.
Exceptio.ai is the shield.
"The Romans gave us the concept. We gave it a neural network."
Our Mission
Every feature we build, every agent we deploy, every analysis we generate serves one purpose:
To find the exceptio.
We don't promise to win cases. We promise to ensure that no valid defense goes undiscovered. That every defendant's story is fully heard. That the shield is as strong as it can possibly be.
Defense Strategy
Constructs the modern exceptio—your comprehensive defensive framework tailored to each case.
Weakness Analysis
Finds the cracks in the prosecution's actio—inconsistencies, procedural defects, evidentiary gaps.
Precedent Discovery
Searches Dutch case law to find the exceptio that worked before—relevant precedents others miss.
Courtroom Simulation
Tests your exceptio before it matters—anticipate prosecution responses and refine your strategy.
Founded 2026 | Amsterdam, The Netherlands
A Name Across Borders
We chose a Latin name deliberately. Not Dutch. Not English. Latin. Because the principles we're building on don't belong to any single nation.
We're starting with Dutch criminal law. But the name signals our ambition:
Exceptio is built for any legal system that traces its roots to Rome.
That's everywhere the civil law tradition lives. One name. One platform. One mission across borders.
In 212 CE, Emperor Caracalla extended Roman citizenship—and with it, the right to raise an exceptio—to millions. We're building for a similar moment: democratizing access to sophisticated legal analysis.
Want to learn more?
We'd love to hear from you. Whether you have questions about Exceptio, want to explore how it could work for your practice, or just want to connect—get in touch.