Mario D. Nimock

Nick is of counsel in the firm’s Securities Litigation & Regulatory practice group. A trial lawyer with 40 years of experience, he defends financial services firms and their employees in securities matters all over the country. Nick’s practice encompasses the full range of investor-based disputes and regulatory enforcement proceedings, as well as disputes arising out of employment practices in the financial services industry. He also handles internal investigations and investi...

John F. Gibbons has more than 25 years of experience handling a broad range of civil and criminal matters for national corporations, financial institutions, brokerage houses, pension funds, real estate entities, and individuals, including fraud, breach of contract, trade secret, class action, RICO, civil rights, commercial and criminal securities cases, grand jury investigations, white collar defense, FCPA issues, corporate internal investigations and appeals. He has advised many corporate cl...

Dane A. Drobny is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Dane 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 Dane A. is held by other top lawyers in the same geographic and legal practice area.

Jamie A. Weyeneth is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jamie A., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jamie A. is held by other top lawyers in the same geographic and legal practice area.

Nick wins cases for clients and helps them favorably resolve disputes, including complex partnership, corporate governance, finance, and deal disputes. As a first-chair trial lawyer who has tried more than 30 jury trials, bench trials, and arbitrations, when a rare business case goes to trial, other law firms and clients ask him to join or lead the trial team. Nick splits his time between Barack Ferrazzano’s Minneapolis and Chicago offices, although he regularly appears in courts across...

Timothy R. Farrell is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Timothy R., 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 Timothy R. is held by other top lawyers in the same geographic and legal practice area.

Gregory E. Spitzer is a partner in the Real Estate practice of the Paul Hastings Chicago office. He represents public and private companies and private equity firms in connection with acquisition, disposition, and financing transactions. Mr. Spitzer’s practice includes all aspects of commercial real estate acquisitions and dispositions, development, leasing, financing, and re-structuring matters. Mr. Spitzer has a particular focus in the areas of real estate restructurings and structure...

As Global Head of McDermott’s Trademark Prosecution and Controversy Practice, Christina (Tina) L. Martini focuses her practice on domestic and international trademark and copyright law, as well as domain name, Internet, social media, advertising, unfair competition and entertainment law. Tina has extensive experience in counseling, prosecution, enforcement, due diligence and licensing matters. She successfully assists clients in protecting their intellectual property rights through liti...

Miriam G. Bahcall is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Miriam G., 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 Miriam G. is held by other top lawyers in the same geographic and legal practice area.

John F. Kennedy is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Environmental Law. John F., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John F. is held by other top lawyers in the same geographic and legal practice area.