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Loeb & Loeb is proud to announce that Mark Ressler, chair of the firm's Software Litigation practice, and Litigation partners Devin Donohue and Tad O’Connor have been named to the “Lawdragon 500 Leading Litigators in America” guide for 2026. Now in its fifth year, this award celebrates the nation’s leading litigators and trial lawyers whose advocacy, strategic judgment and courtroom excellence drive outcomes in the most consequential disputes across industries and practice areas.
Mark is a nationally recognized litigator who represents corporations, financial institutions and public entities in complex commercial disputes. As chair of the firm’s Software Litigation practice, he is widely known for handling high-stakes matters arising from failed Enterprise Resource Planning (ERP) software implementations and other technology-driven business conflicts. Drawing on more than three decades of experience, Mark helps clients navigate sophisticated litigation where technology, operations and business strategy intersect.
Devin is an accomplished trial lawyer who brings more than 25 years of experience representing clients in complex commercial, trade secret and employment disputes. He routinely serves as lead counsel for global financial institutions, private clients, nonprofit organizations and businesses across a range of industries in courts and arbitration forums nationwide, including JAMS, AAA and FINRA. Known for his thoughtful approach and extensive courtroom experience, Devin develops practical litigation strategies that position clients for success at every stage of a dispute.
Tad is a veteran trial and appellate lawyer with more than 30 years of experience representing investors, developers, corporations and hospitality industry leaders in complex disputes. His practice focuses on high-value real estate litigation and arbitration matters throughout the United States and in international forums. He represents clients such as InterContinental Hotels Group, SL Green, Hilton and Aman Resorts in complex disputes involving prominent commercial properties, large-scale developments and hospitality assets.
Lawdragon selects its honorees using a multifaceted process that includes independent research, peer review and nominations. To view the full list of honorees, please visit Lawdragon's website.
Mark is a nationally recognized litigator who represents corporations, financial institutions and public entities in complex commercial disputes. As chair of the firm’s Software Litigation practice, he is widely known for handling high-stakes matters arising from failed Enterprise Resource Planning (ERP) software implementations and other technology-driven business conflicts. Drawing on more than three decades of experience, Mark helps clients navigate sophisticated litigation where technology, operations and business strategy intersect.
Devin is an accomplished trial lawyer who brings more than 25 years of experience representing clients in complex commercial, trade secret and employment disputes. He routinely serves as lead counsel for global financial institutions, private clients, nonprofit organizations and businesses across a range of industries in courts and arbitration forums nationwide, including JAMS, AAA and FINRA. Known for his thoughtful approach and extensive courtroom experience, Devin develops practical litigation strategies that position clients for success at every stage of a dispute.
Tad is a veteran trial and appellate lawyer with more than 30 years of experience representing investors, developers, corporations and hospitality industry leaders in complex disputes. His practice focuses on high-value real estate litigation and arbitration matters throughout the United States and in international forums. He represents clients such as InterContinental Hotels Group, SL Green, Hilton and Aman Resorts in complex disputes involving prominent commercial properties, large-scale developments and hospitality assets.
Lawdragon selects its honorees using a multifaceted process that includes independent research, peer review and nominations. To view the full list of honorees, please visit Lawdragon's website.
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Chair, Software Litigation -
Partner -
