Nicholas Caselli

Nick is a trusted advisor and relentless advocate for public companies, boards and executives in high-stakes securities, shareholder and M&A litigation. He defends securities class actions and derivative suits, litigates M&A disputes and shareholder demands, and counsels boards on corporate governance and litigation risk. Nick is one of the few litigators nationwide to try a securities case to a federal jury and win a complete defense verdict. He has also led several novel, precedent-setting securities and shareholder matters to victory in federal trial and appellate courts and in the Delaware Court of Chancery and Delaware Supreme Court. Nick’s clients span innovative companies in technology, data and AI, life sciences, fintech, and crypto, and they regularly cite his command of their business and his acute litigation instincts. 

Nick was named the New York Law Journal’s 2026 Rising Star in securities and shareholder litigation. He has also been named to Lawdragon’s 500 Leading Litigators in America and 500 X – The Next Generation lists. In addition, The Legal 500 has recognized him as an “emerging talent” in securities and shareholder litigation.

Nick’s recent representations include:

• A leading data and AI software company in a securities class action concerning growth, efficiencies, revenue targets and operations*
• A leading crypto company in a securities class action concerning key client relationships and revenue breakdowns*
• A late-stage clinical biopharmaceutical company in a securities class action concerning its clinical trials and lead drug candidate*
• A life sciences company in a securities class action concerning the efficacy of its childhood lead-testing devices*
• A leading medical products company in a securities class action concerning the spinoff and integration of its animal health business*
• A global biopharmaceutical company in a Delaware Court of Chancery controlling stockholder challenge following the spinoff and acquisition of a subsidiary*
• A Dutch technology company in a securities class action concerning forecasting*
• A lithium-ion battery recycling company in a securities class action concerning its recycling methods and financial reporting*
• A global pharmaceutical company in a securities class action concerning vaccine efficacy claims*
• Eleven major global financial institutions in a securities class action concerning the underwriting of a healthcare company’s initial public offering*
• A used vehicle consignment and remarketing company in a securities class action concerning its business model, partnerships, inventory and unit economics*
• A major multinational food corporation in a securities class action concerning COVID-19 safety protocols at its facilities*
• A major multinational media company in a Delaware Court of Chancery action seeking an anti-arbitration injunction and enforcement of its forum clause*
• The world’s leading association for corporate governance professionals as amicus curiae before the US Supreme Court in a securities class action concerning disclosure sufficiency*

* Representation handled before joining Cooley