For Individuals & Businesses in Litigation and Other Legal Matters.

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Business Law Attorneys in Chicago

Aggressively protecting small and medium-sized businesses in Chicago and surrounding areas.

Since 2011, Markoff Leinberger has helped Chicago businesses overcome legal disputes big and small with efficiency and vigor. Whether you need contract dispute resolution or assistance with complex litigation matters, our experienced attorneys are ready to work on your side.

Much like your business, we are results-driven and client-focused. We work with precision and tact to protect your interests, so you can get out of the courtroom and back to your comfort zone. Our goal is to help your business move forward with your head held high. With decades of experience representing clients nationwide on both sides, we know the law and know what it takes to reach a satisfying outcome. Let us give your business the personal attention it deserves, so you can continue to grow and thrive.

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Reach Out Today.

Call (312) 726-4162 or contact us online to schedule your free consultation today. Our responsive team will be eager to discuss your options.

Our Attorneys

Paul Markoff

Mr. Markoff focuses on complex commercial litigation and class actions and has served as national counsel in multi-state litigation.

Karl Leinberger

Mr. Leinberger concentrates on complex civil litigation matters in federal and state courts, as well as various business transactional matters.

Jeff Burns

Mr. Burns concentrates his practice on commercial litigation with a focus on real estate and debtor/creditor litigation, including loan workouts, bankruptcy and lender liability defensive litigation.

What Our Chicago Business Lawyers Can Do for You

Our attorneys are highly experienced in their respective practice areas and bring extensive knowledge and legal experience to every case. We focus on creating and applying effective solutions to address clients’ individual legal needs.

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We Can Represent You in the Following Areas

Shareholder and  Partner Disputes
Shareholder and Partner Disputes
Fraud  and Embezzlement
Fraud and Embezzlement
Contract and  Lease Disputes
Contract and Lease Disputes
Creditor Rights and  Commercial Collections
Creditor Rights and Commercial Collections

When running a business, the last thing you want to worry about is a lawsuit. Our business contract lawyers will work strategically in your corner should you be taken to court and put into place the proper protections to prevent disputes or litigation from occurring in the first place.

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Request a consultation today by calling (312) 726-4162. We offer flexible fee arrangements, including contingency and hybrid fee agreements.

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"Markoff Leinberger gets results. When I needed to sue to protect my copyrights, they jumped in and tackled it head-on. They were diligent and took time to explain the legal issues to me. They made sure that I understand, so that I made informed decisions about my lawsuit. Their expertise and dedication gave me peace of mind knowing that my legal rights were in good hands. Markoff Leinberger has the ability to not only understand the nuances of complicated federal law, but also the creativity to develop an unorthodox legal strategy that pushed us over the finish line in an unprecedented legal win involving one of the world’s largest retailers."


"Last year, I encountered an unfortunate situation where I was incorrectly confused with another individual as it relates to debt collection. After googling legal firms who specialize in consumer protection I encountered Markoff Leinberger LLC. Their incredible advice and counsel saved me significant money and grief."


"When I was the victim of workplace harassment, Markoff Leinberger aggressively litigated my case to get me an excellent result. Karl Leinberger made sure I understood everything about my case and helped me through a difficult process."