Gavin Law Firm, LLC

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The Choice Of A Lawyer Is Important


Trusted & Certified

William Gavin is board certified in Civil Trial Advocacy and Pre-Trial Advocacy by the National Board of Trial Advocacy (NBTA)*, a private foundation that certifies attorneys who meet certain qualifications as Civil Trial Advocates. These qualifications include litigation and trial experience, references from fellow attorneys and judges, and demonstration of knowledge of applicable law and legal principles.

Licensure Across State Lines

William Gavin is licensed to practice law in Illinois, Missouri, and Arkansas. He is also admitted to practice before the Supreme Court of the United States, the United States Courts of Appeals for the Seventh and Eighth Circuits, the United States District Courts for the Southern and Central Districts of Illinois, the Eastern District of Missouri, the Eastern and Western Districts of Arkansas, and the Southern District of Indiana.

Top Rated & Reviewed

Gavin Law Firm has consistently been listed as a member of Super Lawyers in Illinois. Super Lawyers is a rating service of outstanding lawyers from more than 70 practice areas who have attained a high-degree of peer recognition and professional achievement. This selection process includes independent research, peer nominations and peer evaluations.

Litigation Counsel of America Fellow

William Gavin has been selected as a Fellow with LCA – The Litigation Counsel of America. A close-knit, peer-selected, and aggressively diverse honorary society of 3,500 of the best trial lawyers you will find anywhere. Less than one-half of one percent of American lawyers, an invitation-only collegial network of lawyers who effectively represent clients across North America and around the world.

COVID-19 RESPONSE: In keeping with the Governor's orders and health officials’ recommendations regarding the COVID-19 pandemic, Gavin Law Firm, LLC offices will be closed for all in-person meetings until further notice. Our staff are available by phone, but it may take some extra time to return calls. Thank you for your patience. If you need legal assistance, please call 618-236-0100 or email William Gavin at billg@gavinlaw.com.