Allyson O' Keefe

Scott M. Oldham focuses his practice on all areas of intellectual property, including the procurement and enforcement of patent rights in technologies including biomedical, polymers, sensors, thermoelectric, energy components, electrical, electro-mechanical and mechanical arts as well as information technology, software and business methods. He has experience in the evaluation of patent-related issues and rendering of legal opinions relating to patentability, infringement, validity, right-to-...

Jennifer A. Lesny Fleming is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jennifer A. Lesny, who practices law in Cleveland, Ohio, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer A. Lesny is held by other top lawyers in the same geographic and legal practice area.

Mr. McGuire brings a wealth of experience to his role as a trusts and estates attorney, where he specializes in crafting tailored solutions for clients based on their individual needs, concerns, and goals. Dan has represented clients across the entire wealth spectrum and is adept at advising clients in addressing changing circumstances that require planning for the future. Dan holds licenses to practice law in Ohio and Florida. Prior to joining Mansour Gavin, he played a crucial role in the a...

With compassion, dedication, and years of aviation litigation experience, Jamie R. Lebovitz has focused his practice on helping families who have lost loved ones in aviation disasters. Jamie is a senior partner at Nurenberg, Paris, Heller & McCarthy. He practices in the areas of personal injury and wrongful death litigation with a concentration in aviation, railroad, and trucking calamities. Jamie has more than 35 years of experience as a trial attorney, and he has recovered numerous mult...

Daniela Paez is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Daniela, who practices law in Cleveland, Ohio, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniela is held by other top lawyers in the same geographic and legal practice area.

Peter S. Nealis is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law and Securities / Capital Markets Law. Peter S., who practices law in Cleveland, Ohio, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter S. is held by other top lawyers in the same geographic and legal practice area.

Stephen J. Knerly, Jr. focuses his practice on matters involving art transactions, nonprofit corporate law, closely held and family-owned businesses and international commercial transactions. Josh serves as Co-Chair of the Firm’s Non-Profit Institutions section. In his art law practice, Josh has represented museums, foundations, trusts and collectors in the acquisition, disposition, lending and borrowing of and estate planning for works of art, including domestic and international trans...

With impressive analytical skills, Jeff devises practical, effective, and creative options to achieve clients' objectives and mitigate their risks. Jeff has a unique ability to simplify very complex situations. Whether helping a business to navigate its way through unfamiliar, choppy financial waters, negotiating and preparing agreements for a restructured multimillion dollar loan, representing a bank or insurance company seeking to maximize its recovery from a troubled borrower, or assisting...

Stephen H. Gariepy is a partner and National Co-Chair of Hahn Loeser’s Estate Planning, Wealth Transfer & Preservation Section. Steve focuses his practice on leading-edge estate planning techniques. His ability to design creative and comprehensive plans – and make them practical and understandable – has attracted clients nationwide from the ranks of Forbes 400, business owners, families and nonprofit organizations. Steve regularly counsels owners of privately held compan...

Erica L. Calderas has extensive experience representing commercial clients of varying sizes as plaintiffs and as defendants in complex matters in state and federal trial and appellate courts. Erica has a deep understanding of a wide range of litigation matters impacting businesses, including business torts, contract disputes, consumer protection claims, trademark infringement, employment disputes, fraud claims, enforcing and defending against claims regarding non-competition agreements and tr...