John J. O'Sullivan

David O. Barrett is a partner at Cooney & Conway LLP in Chicago, Illinois. He represents plaintiffs in personal injury litigation, with a focus on toxic tort cases involving asbestos and benzene exposure. He is admitted to practice in Illinois and before the United States District Court for the Northern District of Illinois. David was born and raised in Cincinnati, Ohio. He earned degrees in economics and philosophy from the University of Notre Dame before attending Loyola University Chic...

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 ...

Brooks B. Gruemmer is a corporate partner with a wide-ranging practice representing private equity and other investment funds and private and public companies, with an emphasis on mergers, acquisitions, divestitures, recapitalizations, joint ventures, and the related financing required to fund such transactions. Read full biography: https://www.mwe.com/people/gruemmer-brooks-b/

Household names in the technology and entertainment sectors and famous brands in all areas of consumer products and services rely on Kristin as an advocate and trusted advisor on IP, general advertising and competition issues. She has counseled multinational clients in multiple high-profile disputes involving novel ecommerce issues. She also gives strategic advice to clients on exploiting their copyrights and trademarks over social media, and on how to best protect their IP rights in software...

Jack Carriglio represents clients in commercial disputes, including the prosecution and defense of cases relating to contracts, business torts, bankruptcy, securities, product defects, patents, copyrights, trade secrets, partnership disputes, malpractice and professional disciplinary matters, and real estate litigation. In addition, Jack has a substantial practice in representing corporations and individuals at the federal grand jury, trial, and appellate courts in various criminal matters in...

Julie Sirlin Pleshivoy advises high‑net‑worth families, family offices, and entrepreneurs on the full spectrum of wealth transfer and tax planning. Combining sophisticated tax knowledge with a background in investment management, she develops estate plans that safeguard family assets and support smooth transitions across generations. Leveraging her experience and an LL.M. in Federal Income Taxation, Julie brings a distinctive financial perspective to structuring business ventures, succession ...

Claudia Stangle is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Trademark Law. Claudia practices law in Chicago, Illinois Best Lawyers has recognized Claudia Stangle since 2027. 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 Claudia Stangle is held by other lawyers.

Stephen Wu is a nationally recognized antitrust lawyer who focuses his practice on defending antitrust litigation in federal courts around the country, defending mergers and acquisitions before the Federal Trade Commission (FTC), the United States Department of Justice (DOJ) Antitrust Division and State Attorneys General and counseling clients on antitrust compliance issues. Read full biography: https://www.mwe.com/people/wu-stephen/

William E. Ridgway is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Criminal Defense: White-Collar and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). William E. practices law in Chicago, Illinois Best Lawyers has recognized William E. Ridgway since 2021. 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 Willi...

For over 35 years, Amy has been a strategic partner and advisor to her clients. She works closely with her clients to understand their business objectives and challenges and advocates tirelessly on their behalf to achieve their goals. Amy concentrates her practice on commercial real estate and related matters with an emphasis on leasing, construction, acquisitions, and sales. Her practice is national in scope and includes representation of public and private corporations, religious corporatio...