Jenner & Block

Mr. Lyerla is co-chair of the firm’s Patent Litigation and Counseling Practice. He is a counselor and trusted advisor to his clients concerning competition and intellectual property disputes. But he is best known for representing clients in patent and trade secret litigation.

He has tried dozens of cases and argued numerous appeals representing such companies as Hospira, Amazon, Viskase, General Dynamics, Quaker Oats, MCI, AM International, Solo Cup Company, Oster Communications, Monosol, Business Records Corporation, US Robotics and others. He also has resolved numerous disputes through negotiated business arrangements or summary dispositions in court for such clients as Wolfram Research, Charter Communications, General Electric, Viskase, Shopko, Chris Craft and more.  His litigation has involved a wide variety of technologies, including life sciences, applied mathematics, communications, software, computing, medical devices, chemicals, food science, manufacturing, consumer products, aeronautics and pharmaceuticals. Mr. Lyerla has led or co-led numerous Paragraph IV litigations and is currently involved in a significant new biosimilar litigation under the BPCIA. Mr. Lyerla is co-chair of the firm’s Patent Litigation and Counseling Practice Group and a member of the Antitrust and Competition Law Practice Group.

Mr. Lyerla is respected in his field. He has been recognized by Chambers USA, where he has been described as "enormously, enormously talented," “a brilliant strategist,” "smart, hardworking and at the peak of his career" and “an A list patent litigator.” He is included in The Best Lawyers in America - 2014-present (Litigation-Intellectual Property).The IAM Patent 1000 (2014) describes Mr. Lyerla: “Lyerla commands attention and respect in the courtroom and is great at reading judges. He can take over cases that have gone south and resuscitate them.” He has been selected as a Super Lawyer in Illinois repeatedly, including as one of the top 100 lawyers in Illinois multiple times. He has been selected as a member of the Leading Lawyer network for intellectual property litigation.  He is regularly listed in Who’s Who in the World, Who’s Who in America and Who’s Who in the Law. Mr. Lyerla is Martindale AV Preeminent rated, Martindale-Hubbell's highest peer recognition for ethical standards and legal ability.

Mr. Lyerla is a thought leader in patent and trade secret litigation. He regularly speaks and publishes on issues in patent and trade secret litigation. He is Editor-in-Chief and a Principal Author of Antitrust Issues in Intellectual Property Law, a new book published by the ABA in May 2016.  He was a member of the advisory committee of lawyers and judges in the Northern District of Illinois that wrote the local rules for patent litigation now adopted by that court. He is a contributing author to Patent Claim Construction in the Federal Circuit published by West. He was editor in chief of the ABA publication Intellectual Property Litigation for 15 years and now serves on the editorial board. Mr. Lyerla’s article titled “Understand the Two Approaches to Claim Construction” was cited and quoted by the U.S. Court of Appeals for the Federal Circuit as secondary authority in its 2012 opinion in MySpace, Inc. v. GraphOn Corporation, 2011-1149 (Fed. Cir. March 2, 2012).

Mr. Lyerla is committed to diversity in the workplace and in life. He is equally committed to pro bono work. He has tried numerous pro bono trials for the indigent including two murder trials. He has received the John Powers Crowley Justice Award for his pro bono work.