J. William Roberts

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

Nick Kahlon’s approach to litigation is straightforward: out-think and out-prepare the other side. His ease in court is grounded in the knowledge that he has thought through and planned for every detail, and his ease with clients comes from a deep understanding of their business needs. Nick’s practice focuses on complex commercial litigation, including noncompetes, class actions, patent cases, and other significant business disputes. He has represented some of the largest companie...

Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission. He has also argued for his clients before the U.S. Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board. His appellate arguments include a successful argument in front of ...

Jamie A. Weyeneth is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. Jamie A. practices law in Chicago, Illinois Best Lawyers has recognized Jamie A. Weyeneth 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 Jamie A. Weyeneth is held by other lawyers.

Approachable, yet candid in his counsel, Kurt Rohde provides an objective analysis of the issues tied to his clients’ intellectual property assets and best courses of action. In particular, with over 14 years focused in complex patent litigation and large patent portfolio management, Kurt regularly serves as patent trial counsel for multibillion dollar corporations. Kurt helps his clients keep the bigger picture at the forefront by advising on obtaining, evaluating, and enforcing their ...

Richard E. Aderman is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Richard E. practices law in Chicago, Illinois Best Lawyers has recognized Richard E. Aderman since 2018. 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 Richard E. Aderman is held by other lawyers.

Graham C. Grady is a lawyer recognized by Best Lawyers in the practice areas of Government Relations Practice and Land Use and Zoning Law. Graham C. practices law in Chicago, Illinois Best Lawyers has recognized Graham C. Grady 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 Graham C. Grady is held by other lawyers.

Clients are not in the business of litigation, which is why in his over 25 years of practice, Steve has developed an approach that is more akin to a business counselor who helps clients favorably resolve disputes and, when necessary, will take a tough case to trial. Steve’s clients know he will bring creative solutions to help them avoid disputes, counsel them on the risks and potential benefits of litigation when a dispute is unavoidable, and maintain the kind of professional relations...

Aurelija Fitzpatrick is a lawyer recognized by Best Lawyers in the practice areas of Family Law and Family Law Mediation. Aurelija practices law in Chicago, Illinois Best Lawyers has recognized Aurelija Fitzpatrick since 2025. 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 Aurelija Fitzpatrick is held by other lawyers.

Kevin, chair of the firm’s Intellectual Property practice, represents life sciences clients across every facet of patent law. Clients rely on Kevin to navigate the complexities of intellectual property with confidence and clarity. His practice consists of conducting technical IP due diligence for mergers and acquisitions, as well as collaboration and license agreements; comprehensive patent counseling, including global prosecution and strategic portfolio management; and product clearanc...