Barry D. Rooth

Catherine (Cate) A. Battin represents clients in state and local tax controversies at the audit, administrative and judicial levels in numerous jurisdictions. She provides national state tax strategies for clients on a full range of state tax issues, including income tax apportionment, nexus, combination and sales tax characterization of products and services. She has defended numerous internet sellers in cases brought under the Illinois False Claims Act alleging fraudulent failures to collec...

John Gatz is a patent attorney who concentrates his practice on patent prosecution, patent counseling and patent litigation. John has extensive experience in the life sciences and manufacturing industries. My focus Patent Prosecution/Counseling I prosecute patents and counsel clients in a number of mechanical- and chemical-related technologies including: biomechanical devices, chemical products and processes, sensor-dispensing instruments, analyte meters, test sensors, non-invasive processes,...

Lee is an intellectual property litigator and advisor who manages sophisticated portfolios for clients with worldwide operations. His practice includes the full range of intellectual property dispute and transactional matters, with an emphasis on trademark, copyright, trade secret, trade dress, privacy and litigation. Lee serves as lead counsel before state and federal courts and administrative agencies throughout the country, and he also coordinates efforts to resolve similar international d...

Laura M. Presto is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Laura M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura M. is held by other top lawyers in the same geographic and legal practice area.

Tom is a registered patent attorney who develops and protects complex patent, trademark and copyright portfolios maintained by domestic and global businesses. He has significant experience in negotiating and drafting software licenses, patent and trademark licenses and transfers, non-compete and confidentiality agreements, product development agreements, joint venture agreements and all related agreements that include critical intellectual property components. He also regularly performs thoro...

Timothy R. Conway is a founding partner of Conway & Mrowiec. He is currently of counsel to Conway & Mrowiec Attorneys LLLP, a four-lawyer Chicago firm which represents all participants in the construction process: contractors, design/builders, engineers, construction managers, trade contractors, architects, owners and sureties. Mr. Conway is a veteran of numerous arbitrations, trials, and mediations. He has represented builders on a wide variety of construction projects, both public a...

Mr. Levin has concentrated his practice on complex business transactions, including mergers, acquisitions, buyouts, private equity and venture capital investing, formation of private equity funds, debt and equity restructurings and workouts, and executive compensation, with emphasis on tax, corporate, SEC, and structuring aspects, handling transactions which range in size from several million dollars to more than $7 billion.

Tim Schafer, II is an experienced trial lawyer, handling cases involving personal injury or wrongful death caused by truck accidents, car accidents, medical malpractice, premises liability, product liability, train accidents and airplane crashes. During his career Tim has obtained two of the largest jury verdicts in the State of Indiana, $30,750,000 for brain damage and wrongful death caused in a premises liability case and $32,500,000.00 for brain damage caused to a young mother who was invo...

Steven D. Mroczkowski is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Steven D., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven D. is held by other top lawyers in the same geographic and legal practice area.

Joseph E. Tilson is Co-Chair of Cozen O'Connor's Labor & Employment Department and a member of the Management Committee and Board of Directors. Joe represents employers in large-scale employment litigation and labor arbitrations. In the past 35 years, he has tried more than 150 jury and non-jury cases before the full range of courts, administrative agencies and labor arbitrators. His clients include a number of the country’s largest public and private employers, and Illinois’ ...