A. Leon "Leon" Sarkisian

Todd A. Solomon focuses his practice on designing, amending and administering pension, profit sharing, 401(k), employee stock ownership and 403(b) plans, as well as nonqualified deferred compensation arrangements. He also counsels privately and publicly held corporations and tax-exempt entities regarding fiduciary issues under the Employee Retirement Income Security Act (ERISA), employee benefits issues involved in corporate transactions, executive compensation matters and the implementation ...

John Cullis focuses his practice on intellectual property litigation, counseling and procurement. Over the course of his career, John has been recognized among his peers as a preeminent litigator in the field of intellectual property. John is an accomplished trial lawyer who has first-chaired trademark, trade dress, trade secret, copyright and unfair competition matters before judges and juries in numerous U.S. federal courts and the U.S. Patent and Trademark Office’s (USPTO) Trademark ...

Charles A. Porretta is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Charles A., 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 Charles A. is held by other top lawyers in the same geographic and legal practice area.

Kelly Koss focuses her practice in domestic and international construction and commercial litigation and arbitration. She is respected by clients for her counsel regarding litigation avoidance techniques and her willingness to work collaboratively to seek early resolution to disputes. When litigation is unavoidable, Kelly is prepared to advocate zealously for her clients to achieve desired results. Kelly represents owners, developers, contractors and design professionals in disputes related t...

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...

Steve Sandler has spent more than 50 years counseling and advising developer and investor clients in the acquisition, disposition, leasing, development, financing and structuring of all types of real estate and real estate transactions. Steve's range of experience includes complex, high-stakes projects involving major office buildings, hotels, apartment buildings, industrial buildings and unimproved land. He has particular depth of skill in structuring transactions and all phases of financing...

As Global Head of McDermott’s Trademark Prosecution and Controversy Practice, Christina (Tina) L. Martini focuses her practice on domestic and international trademark and copyright law, as well as domain name, Internet, social media, advertising, unfair competition and entertainment law. Tina has extensive experience in counseling, prosecution, enforcement, due diligence and licensing matters. She successfully assists clients in protecting their intellectual property rights through liti...

Jeffrey B. Kaplan P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Jeffrey B., 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 Jeffrey B. is held by other top lawyers in the same geographic and legal practice area.

Over the past 25 years, Brian Heidelberger has represented a multitude of the nation’s most revered brands and agencies in the marketing of their products and services. Recognized as Chicago “Lawyer of the Year” in Advertising Law by Best Lawyers and cited by Chambers USA as a “practical solutions-oriented lawyer” and an “expert in the field of advertising,” Brian is sought after by clients for his cutting-edge legal and industry knowledge, responsive...

Richard L. Dees advises owners of privately and publicly held companies and wealthy families on control, tax, and business planning issues. Richard helps clients save estate taxes and develop succession plans targeted for S corporations, and regularly consults with other lawyers, accountants, financial planners, insurance consultants and trust officers on Internal Revenue Service (IRS) litigation and structuring business transactions. He also has experience on the farm estate tax valuation ru...