Patrick T. Ryan

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...

Thomas Arden concentrates on federal court litigation in the areas of unfair competition, trademark , copyright , advertising, and related areas; licensing and transfers of copyright and trademark interests; litigation before the United States Trademark Trial & Appeal Board; Internet domain name disputes throughout the world; and foreign copyright and trademark matters. Mr. Arden’s litigation experience includes appeals before the Seventh, Eighth and Tenth Circuit Courts of Appeals ...

Kate Scallan maintains an international trusts and estates practice, representing clients across the globe in high net worth estate and gift tax planning matters. Kate provides sophisticated tax advice to some of the most successful hedge fund and private equity fund principals in the world. She advises with regard to closely held business planning and tax structuring, bringing her personal touch and attention to each client’s unique situation. Kate’s practice encompasses wills, t...

Edward Halper is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Edward practices law in Chicago, Illinois Best Lawyers has recognized Edward Halper since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Edward Halper is held by other lawyers.

Chris P. Kallos is a lawyer recognized by Best Lawyers in the practice area of Private Funds / Hedge Funds Law. Chris P. practices law in Chicago, Illinois Best Lawyers has recognized Chris P. Kallos since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Chris P. Kallos is held by other lawyers.

Jeremy C. Moritz is a lawyer recognized by Best Lawyers in the practice area of Labor Law - Management. Jeremy C. practices law in Chicago, Illinois Best Lawyers has recognized Jeremy C. Moritz since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeremy C. Moritz is held by other lawyers.

With over 23 years of experience, Amy Moor Gaylord focuses her practice on traditional labor matters and employment litigation for both public and private sector employers with an emphasis on National Labor Relations Board (NLRB) proceedings, union organizing drives, NLRB-conducted elections, arbitration cases, contract negotiations, and employment discrimination matters. She has experience counseling clients in various industries, including higher education, not-for-profit, public safety (fi...

Robert J. Cooney, Jr. is a Chicago, Illinois trial lawyer with Cooney & Conway LLP. He earned his J.D. from Loyola University School of Law in 1978 and his B.A. from Boston College in 1974. Before joining Cooney & Conway LLP in 1983, Mr. Cooney tried criminal cases as a member of the Homicide Task Force in the Cook County Public Defender’s Office. His practice includes personal injury, wrongful death, mass tort litigation, and plaintiff class actions. He has handled cases involv...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Dan Laytin is a litigation partner in Kirkland’s Chicago office. His practice is principally concentrated in the areas of antitrust and other complex litigation. Dan has been recognized as a leading antitrust practitioner by Chambers every year from 2006 to 2022; by The Legal 500 U.S. for antitrust in 2007, 2010, 2012–2014, 2016–2022, and for appellate: supreme court in 2017; and by The Best Lawyers in America, U.S. News and World Report, Best Lawyers® from 2013 to 2023....