R. Mark Halligan

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 ...

Jennifer M. Cohen is a lawyer recognized by Best Lawyers in the practice area of Family Law. Jennifer M. practices law in Highland Park, Illinois Best Lawyers has recognized Jennifer M. Cohen since 2024. 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 Jennifer M. Cohen is held by other lawyers.

Steve Feldman is the head of Hahn Loeser’s Intellectual Property Practice Area, the Partner-in-Charge of the firm’s Chicago office and a member of the firm’s Board of Directors. His practice encompasses complex intellectual property litigation, prosecution, licensing, and counseling involving patents, trade secrets, trademarks and unfair competition, copyrights, data privacy and security, and NIL (Name, Image, and Likeness) compliance, policies, and rights. Steve also regula...

Kristofer Riddle is a partner at Clifford Law Offices whose practice focuses on complex transportation litigation, consumer class actions, personal injury, wrongful death, and qui tam and false claims matters. He has represented individuals and groups of plaintiffs in significant litigation involving catastrophic transportation incidents, corporate conduct, and consumer claims. Mr. Riddle has substantial experience representing passengers and families affected by major rail disasters. He was ...

Matthew J. Fischer is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Matthew J. practices law in Chicago, Illinois Best Lawyers has recognized Matthew J. Fischer since 2012. 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 Matthew J. Fischer is held...

Kim R. Walberg is a lawyer recognized by Best Lawyers in the practice area of Gaming Law. Kim R. practices law in Chicago, Illinois Best Lawyers has recognized Kim R. Walberg 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 Kim R. Walberg is held by other lawyers.

Richard L. Sevcik concentrates his practice in exempt organizations and health care law. He has extensive experience in the representation of public charities, tax-exempt health care systems, private foundations and charitable trusts. He is a member of the firm's Pro Bono Committee.

David P. Radelet is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. David P. practices law in Chicago, Illinois Best Lawyers has recognized David P. Radelet since 2009. 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 David P. Radelet is held by other lawy...

Kathryn Kovitz Arnold is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Kathryn Kovitz practices law in Chicago, Illinois Best Lawyers has recognized Kathryn Kovitz Arnold since 2010. 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 Kathryn Kovitz Arnold is held by other lawyers.

Recognized for his national reputation and success as a child advocate, Dov Apfel has investigated and litigated birth trauma and obstetrical malpractice claims involving children with cerebral palsy and other neurological and intellectual disabilities throughout the United States for over forty years. Those in the legal profession who have worked with Mr. Apfel consider him to be the premier “lawyer’s lawyer” in the area of birth trauma litigation. When families and lawyers...