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We are a group of experienced attorneys, each with unique specialties, united to best help you and your case. Our attorneys provide you with the extensive resources of a large law firm paired with the personal service of a smaller firm. We pride ourselves on being a trustworthy, client-oriented law firm that provides excellent legal representation. We aim to be there when it matters most so that you can take the weight off of your shoulders and place it into our capable hands. Jeffrey & Erwin, LLP isn’t just another law firm. We are dedicated to solving problems, providing the most trustworthy service, and seeing the truth prevail. Let Jeffrey & Erwin, LLP be your Law Firm; let us defend the truth by representing you.




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Why Choose Jeffrey & Erwin, LLP?


With a combined experience of over 25 years, the attorneys at Jeffrey & Erwin, LLP have the experience and resources necessary to represent their clients in the most effective way possible.


Jeffrey & Erwin, LLP makes it a primary function of its daily practice to not only keep clients informed but to be available for any questions or concerns clients may have at any given time.


We work hard to obtain the most value for your case. At the end of the day, the only thing that matters is that we help our clients achieve the best possible results. Our clients are, and will always be, our first priority.


Whether it’s fearlessly standing against major corporations in the name of justice in civil matters, or boldly fighting for the freedom of our criminal defense clients, we do what it takes to protect the rights and interests of our clients…period. To have attorneys who are not afraid to challenge the opposing side, and take the case to trial if necessary, is critical to having a successful outcome.

Our Attorneys

Criminal Defense Lawyer in DeKalb County

Antonio L. Jeffrey

Founding Partner/Attorney

(312) 583-7072
(312) 583-0888 (facsimile)

Oswego Criminal Defense Attorney

Brian R. Erwin

Founding Partner/Attorney

(779) 222-5600
(312) 583-0888 (facsimile)

Chicago Office

105 West Madison St., Ste 901

Chicago, IL 60602

DeKalb Office

158 W. State Street

Sycamore, IL 60178

DuPage Office

27475 Ferry Rd., Ste 143

Warrenville, IL 60555

Professional Associations

Contact Us Today For A Free Consultation

At Jeffrey & Erwin, LLP, we take swift, strategic, and aggressive action to protect our clients’ rights and interests. Contact us immediately for a free consultation regarding your specific legal matter.