William Essig

William V. Essig

Partner

Bill Essig is an experienced trial lawyer and litigator who defends pharmaceutical, medical device, and consumer product companies against high-stakes product liability claims. With deep experience in multi-district litigation (MDL) and state courts nationwide, Bill has tried cases and provided leadership to trial teams and national coordinating counsel teams.  

Bill’s approach to litigation defense combines scientific rigor with persuasive advocacy. He is skilled at developing and presenting expert witnesses and translating intricate medical and scientific concepts into compelling courtroom arguments. This can prove crucial in mass tort litigation when the details can make or break a case.

Bill has successfully defended prescription medications and medical devices against thousands of claims. His experience spans antipsychotics, fluoroquinolones, and various medical devices, including surgical staplers, orthopedic implants, and contact lenses. This diverse background allows him to quickly grasp the nuances of new product liability litigations and tailor defense strategies accordingly. Bill has also successfully defeated putative consumer class actions involving over-the-counter medications and personal care products. 

Beyond the courtroom, Bill helps clients achieve favorable outcomes through mediation and alternative dispute resolution. Committed to giving back, Bill maintains an active pro bono practice, focusing on cases referred by Ascend Justice in Illinois.

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I've tried cases and won against top plaintiff's lawyers in some of the most challenging courthouses for corporate defendants."
Credentials

Education

  • Northwestern Pritzker School of Law, J.D., 1996, cum laude, Order of the Coif, CoordinatingNote and Comment Editor of Northwestern University Law Review
  • Yale University, B.A., English, 1992, with distinction

Bar Admissions

  • Illinois

Court Admissions

  • U.S. Court of Appeals for the Seventh Circuit
  • U.S. District Court for the Central District of Illinois
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Southern District of Illinois

Clerkships

  • HonorableJohn F. Grady, U.S. District Court for the Northern District of Illinois and Judicial Panel on Multidistrict Litigation, 1996 - 97
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