Stephen J. O’Neil

K&L Gates LLP

Stephen J. O’Neil is an experienced trial lawyer with extensive jury and bench trial experience in federal and state courts, as well as significant arbitration trial experience in dozens of high-stakes arbitrations.

He has tried cases arising out of contract and commercial disputes, corporate acquisitions and divestitures, false advertising, trade secret and unfair competition claims, and professional negligence.

He has also served as lead counsel in major securities litigation and class action matters. He has represented small businesses as well as some of the nation’s most prominent Fortune 500 and Fortune 100 companies.

In addition to his experience as an advocate in arbitration matters, Mr. O’Neil also frequently serves as a neutral arbitrator.

Mr. O’Neil’s commercial litigation and arbitration practice has spanned several industries, including food and consumer product manufacturing, healthcare and investment management.

In the area of securities and fiduciary duty litigation, Mr. O’Neil has represented issuers, investment advisers, collateral managers, officers, directors and trustees. He has litigated securities claims arising out of public filings, M&A transactions, collateralized debt obligations and investment advisory fees.

Mr. O’Neil is a member of the American Arbitration Association Commercial Panel of Arbitrators and has presided over many complex commercial arbitrations.


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What types of cases Attorney Stephen J. O'Neil & K&L Gates LLP can handle?
K&L Gates LLP can handle cases related to laws concerning Litigation, Class Action, Advertising. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is K&L Gates LLP located?
K&L Gates LLP is located at Three First National Plaza, 70 W Madison St #3300, Chicago, IL 60602, USA. You can reach out to K&L Gates LLP using their phone line +1.312.807.4217. You can also check their website
How much would it cost to hire K&L Gates LLP?
Stephen J. O'Neil lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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K&L Gates LLP
West Madison Street 70
Chicago 60602 IL US
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