Jay A. Erens

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...

In February of 2016, Jeff formed a partnership with Elizabeth Kaveny, bringing almost three decades of experience with representing the victims of others’ negligence in Illinois and throughout the country, with a focus on cases that involve trucking accidents, transportation negligence, medical malpractice and products liability. Over the course of his legal career, Mr. Kroll has secured verdicts or negotiated settlements in more than 75 cases that resulted in awards of $1 million or mo...

David Koropp is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. David, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Recognized as a leading lawyer for commercial lending by The Legal 500 US and by Chambers USA , Scott Lyons represents finance companies, banks and other lenders who provide debt financing to support private equity-led leveraged buyouts of middle-market companies. With deep experience in the health care and tech industries, Scott's understanding of market terms and ability to execute quickly help his clients meet the intense time demands of their customers, win their next deal and strengthen ...

Jack Rovner, an attorney, is a founding member of Health Law Consultancy. Health Law Consultancy is a Chicago health law boutique that provides strategic legal counsel for the business of health care to enable health industry participants to capitalize on opportunities and manage challenges in the evolving health system. Rovner is Best Lawyers 2014 Chicago health care law "Lawyer of the Year." For four decades, Rovner has represented clients on health law, health reform, antitrust, business s...

Allen J. Guon is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Allen J., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Allen J. is held by other top lawyers in the same geographic and legal practice area.

As a seasoned litigator with the added benefit of in-house experience, Maile takes pride in her in-depth understanding of her clients and their businesses so she can anticipate their needs, their pain points, and the internal and external pressures they face. With nearly 30 years of experience litigating and counseling clients in all types of commercial litigation, Maile is meticulous, responsive, tough, and strategic. Since joining Barack Ferrazzano, Maile has represented clients in commerci...

Richard “Rush” Howell is a litigation partner in Kirkland’s Chicago office. Recognized as a trial lawyer companies call when the issues are too important not to fight, Rush has significant experience serving as trial counsel for companies in high-profile restructuring and product liability cases and representing private equity sponsors and their portfolio companies in a wide array of business disputes. His practice spans commercial litigation, restructuring, data security an...

Jim Gaughan is a tough, talented, and experienced commercial litigator who has used his considerable experience and equanimity to successfully represent clients in a wide range of complex and challenging class action lawsuits in jurisdictions across the country. He is relentless about preparation and tactics, constantly weighing and analyzing the respective strengths of his clients, as well as their adversaries, in order to create the most effective and efficient legal strategies.

Megan M. Devaney is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Megan 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 Megan M. is held by other top lawyers in the same geographic and legal practice area.