Lyon & Kerr is a Chicago-based criminal defense firm founded by nationally recognized trial attorneys Andrea Lyon and Robert Kerr. We represent individuals facing serious charges with strategic, fearless advocacy—in and out of the courtroom.

We believe in justice that’s more than procedural. It’s personal. Every case is a life. Every client deserves to be heard, protected, and defended with skill and integrity.

Our team brings decades of courtroom experience to every matter, from high-stakes felonies to complex legal challenges. Whether it’s trial, negotiation, or motion practice—we come prepared.

Relentless defense. Real results.

Lyon & Kerr, PLLC

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Lyon & Kerr, PLLC

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