Patrick R. O'Meara

Fredric P. Andes is a partner in the Chicago and Washington, D.C., offices of Barnes & Thornburg and the leader of the firm's water team. Fred is involved in counseling and litigation on issues arising under various federal and state environmental laws, with a special emphasis on Clean Water Act matters. Fred is also advising trade associations, industries, and municipalities on TMDLs, permits, and other water quality matters on the state and federal levels, including development of water...

Ana Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ana, 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 Ana is held by other top lawyers in the same geographic and legal practice area.

Dan Burnham has a comprehensive intellectual property practice that encompasses a diverse range of sophisticated technologies and legal issues. He is a registered patent attorney who represents clients in federal courts and at the United States Patent and Trademark Office. What do you focus on? I utilize my engineering experience to work closely with clients in the product development process, helping to avoid competitive patents and ensure commercial exploitation of new products through effe...

Thomas A. Demetrio is a trial lawyer with an emphasis on medical negligence, product liability, airplane crash and commercial litigation on behalf of plaintiffs. He is Past President of the Chicago Bar Association and Illinois Trial Lawyers Association. He is a fellow of: The American College of Trial Lawyers The International Academy of Trial Lawyers The Inner Circle of Advocates Tom has been listed in Best Lawyers in America since its inception in 1987 and was named by Best Lawyers as the C...

A trusted adviser with over a decade of experience, Terese Connolly counsels and represents multinational corporations in navigating the wide range of domestic and international labor and employment related issues that arise when managing a global workforce. Terese advises and counsels multinational companies; conducts enterprise risk assessments, compliance audits and internal investigations; and provides training for management and employees on employment law, leave laws, anti-discriminatio...

Mark Kindelin is a veteran legal adviser in treasury management and payment products for the banking and financial services industry. He provides skilled legal counsel on the products and services financial institutions offer and on the complex laws that govern the industry. In addition, Mark provides broad corporate and transaction representation to businesses at all stages of growth, and he applies his many years of experience to support clients in realizing their commercial and transaction...

Marc H. Trachtenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Trademark Law. Marc H., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc H. is held by other top lawyers in the same geographic and legal practice area.

James P. Chivilo is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. James 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 James P. is held by other top lawyers in the same geographic and legal practice area.

Linda assists clients on a wide variety of employee benefit matters, including the design and ongoing administration of qualified retirement benefit plans and welfare benefit plans. Her practice also focuses on ensuring that retirement plans and health and welfare plans operate in a cost-effective manner that complies with legislative and regulatory changes. She also assists clients with drafting and updating such plans as well as with plan mergers and terminations. She has experience handlin...

Wes is a partner in the Corporate & Securities practice group. He provides comprehensive legal services and advice to asset managers, proprietary trading firms, single-family offices, multifamily offices, and wealth management advisors. Wes counsels them on a wide range of transactional and regulatory issues, including corporate formation, structure and succession planning, operational and administrative matters, securities, futures, and derivatives matters, brokerage and derivatives docu...