Dennis M. Twomey

John F. Gibbons has more than 25 years of experience handling a broad range of civil and criminal matters for national corporations, financial institutions, brokerage houses, pension funds, real estate entities, and individuals, including fraud, breach of contract, trade secret, class action, RICO, civil rights, commercial and criminal securities cases, grand jury investigations, white collar defense, FCPA issues, corporate internal investigations and appeals. He has advised many corporate cl...

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

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

G. Peter Nichols is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. G. Peter, 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 G. Peter is held by other top lawyers in the same geographic and legal practice area.

Peter E. Kanaris is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Peter E., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter E. is held by other top lawyers in the same geographic and legal practice area.

John J. Perconti is a highly-acclaimed Illinois medical malpractice attorney and co-founder of Levin & Perconti. For over 25 years, he has devoted his practice to advocating for people and families in personal injury and wrongful death cases. In 1992, he merged his practice with Steven Levin, and now the firm employs twenty elderly abuse lawyers in Chicago and has obtained over $520 million in verdicts and settlements for clients. John has an excellent record of success representing clien...

Mr. Samson has represented management in all aspects of labor and employment law for over 27 years with a particular emphasis on traditional labor law. He has also litigated cases before federal and state courts as well as state and local agencies in employment discrimination and wrongful discharge actions. He routinely advises clients on a host of employment-related issues including employer investigations, claims of harassment, employment policies and social media. In the traditional labor ...

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

Richard T. Ruzich is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Richard T., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard T. is held by other top lawyers in the same geographic and legal practice area.

With nearly 30 years of experience working with clients that include household brands and, in particular, mid-market businesses, John is able to remain calm and focused when encountering challenging environments. He helps clients to reduce stress in service of negotiating their desired resolution. Because copyright and trademark litigation is frequently used as a competitive tool, John works to ensure efficiency and preserve client resources throughout the litigation process, including elimin...