Lisa K. Loesel

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...

Keith H. Berk is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Keith H., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith H. is held by other top lawyers in the same geographic and legal practice area.

Patrick D. Owens is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Patrick D., 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 Patrick D. is held by other top lawyers in the same geographic and legal practice area.

Nationally known for successfully representing clients in personal injury matters, Mr. Steven M. Levin is an outstanding attorney, successful entrepreneur and, most importantly, a committed family man. his family values carry over into everything he does, from representing people seeking better care for their elderly loved ones to building a law firm that has become one of the best in the nation at winning substantial verdicts and settlements for people affected by medical malpractice, nursin...

Kerry R. Peck is the managing partner of the Chicago law firm Peck Ritchey, LLC. He is the past President of the 22,000 lawyer Chicago Bar Association. His clients include families, hospitals, banks, the State of Illinois, County of Cook, and City of Chicago. For over ten consecutive years, he has been selected by his peers in statewide surveys of Illinois attorneys as a “Super Lawyer”, an attorney to whom other attorneys would refer their family, and he was named a member of the ...

Matthew R. Carter is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Matthew R., 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 Matthew R. is held by other top lawyers in the same geographic and legal practice area.

Michael E. Holden is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael E., 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 Michael E. is held by other top lawyers in the same geographic and legal practice area.

Marc S. Silver is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Marc S., 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 Marc S. is held by other top lawyers in the same geographic and legal practice area.

Kenneth P. Kansa is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Kenneth P., 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 Kenneth P. is held by other top lawyers in the same geographic and legal practice area.

Edward A. Mas II is a Shareholder at McAndrews, and has been described by his clients and peers as a “terrifically savvy litigator” who “routinely secures the best position for his clients.” As an advocate, he is “experienced, smart, aggressive, and effective.” For more than twenty years, Ed’s trial and appellate litigation practice has focused on complex patent and technology-related litigation. He has served as lead trial counsel in numerous patent ...