Ryan Slovis

William E. Ridgway is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). William E., 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 William E. is held by other top lawyers in the same geographic and legal practice area.

Stephen M. Fatum is a partner in the Chicago office of Barnes & Thornburg. He concentrates his practice in the Healthcare Department. Stephen's focus has been on legal and strategic matters affecting physicians, physician organizations and not-for-profit corporations. Stephen routinely negotiates employment agreements, stock transfer agreements, operating agreements and affiliation agreements. He also defends physicians subject to disciplinary proceedings.Stephen is the former general cou...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

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

Robert B. Ellis P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Robert B., 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 Robert B. is held by other top lawyers in the same geographic and legal practice area.

Kevin represents his clients in all aspects of patent law, including due diligence investigations for mergers and acquisitions, patent counseling and prosecution, strategic management of patent portfolios, and opinion preparation, focusing his practice primarily on the biotechnological, pharmaceutical, and medical device industries. Kevin’s work encompasses a broad spectrum of technologies, including therapeutics such as cellular therapies, gene therapies, vaccines, large molecules (bio...

Melissa A. Siebert is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Melissa A., 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 Melissa A. is held by other top lawyers in the same geographic and legal practice area.

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

Gabor Balassa is a senior litigation partner and trial lawyer. Gabor has successfully tried significant commercial disputes in federal and state courts and in arbitrations across the country, including in New York, Chicago, Dallas, Houston, Pittsburgh, Tampa, and Wilmington. He represents a diverse client base, ranging from big-four accounting firms, to oil & gas, telecommunications, and pharmaceutical companies, to private-equity firms. Gabor’s broad experience encompasses class ac...

Domingo Such is a partner in the firm's Personal Planning practice. He focuses his practice on financial, estate and tax planning matters as they relate to ownership in various forms. This area of focus provides him with particularly broad legal perspectives in counseling family-owned and/or privately held businesses, as well as the family members and owners involved in these businesses. He represents wealthy families and individuals concerning significant and complex estates and trusts, advi...