Sue O'Brien

Representation and counseling of substantial industrial corporations and private investment funds, primarily in connection with public and private business combinations, dispositions and similar transactions, international business transactions, private equity investments, advanced planning for unsolicited acquisition proposals, public and private securities offerings, disclosure issues and other general corporate and securities matters.

Marc R. Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marc R., who practices law in Bannockburn, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc R. is held by other top lawyers in the same geographic and legal practice area.

Matthew C. Crowl is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Criminal Defense: White-Collar. Matthew C., 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 Matthew C. is held by other top lawyers in the same geographic and legal practice area.

Ricardo E. Ugarte is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration - Commercial and International Arbitration - Governmental. Ricardo E., who practices law in Chicago, Illinois, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ricardo E. is held by other top lawyers in the same geographic and legal practice area.

Bradley V. Ritter is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Bradley V., 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 Bradley V. 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...

E. Lynn Grayson is a partner in the environmental law firm of Nijman Franzetti LLP in Chicago. She is consistently recognized as a leading environmental lawyer by Chambers USA , The Best Lawyers in America , Who’s Who: Environment , Illinois Super Lawyers, and the Leading Lawyers Network . She is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability. Ms. Grayson formerly was a partner and chair of the environmental practice gro...

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.

Paul D. Richter is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Paul D., 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 Paul D. is held by other top lawyers in the same geographic and legal practice area.

For more than 30 years, Craig Tobin has been recognized for his precedent-setting civil and criminal trial work and is nationally recognized as one of the best trial lawyers in America, regularly voted by his peers to “The Best Lawyers in America,” “Leading Lawyers” and “Leading American Lawyers.” . Throughout his career, Mr. Tobin has guided many clients through high-profile cases which attract intense media attention and have either changed or defined the...