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September 9, 2026

Barclay Damon Strengthens Litigation Bench, Adds Former IRS and DOJ Trial Attorney Cassondra Koven

Barclay Damon announces that Cassondra Koven has joined the firm as an associate in its Trusts & Estates and Commercial Litigation & Complex Trials Practice Areas, based in the firm’s Buffalo office.

Koven represents businesses, fiduciaries, and individuals in complex disputes involving commercial, financial, and estate-related matters. Before joining Barclay Damon, she served as a general attorney with the Internal Revenue Service Office of Chief Counsel and as a trial attorney with the US Department of Justice Tax Division, where she handled sophisticated litigation in federal courts and the United States Tax Court.

Drawing on her federal government experience, Koven manages all phases of litigation, including case development, discovery, dispositive motion practice, trial preparation, and resolution. Her experience includes matters involving fraud allegations, bankruptcy proceedings, collection disputes, estate-related issues, asset recovery efforts, fiduciary-related matters, and controversies involving high-net-worth taxpayers.

"We are excited to welcome Cassondra to the firm," said Jen Flannery, co-chair of Barclay Damon’s Trusts & Estates Practice Area. "Her federal litigation experience, courtroom background, and ability to analyze complex financial and legal issues will be valuable assets to our clients and our litigation teams."

Koven's addition further strengthens Barclay Damon's capabilities in commercial litigation, business disputes, trusts and estates litigation, fiduciary matters, and complex financial disputes. Her background provides clients with insight informed by extensive federal litigation experience and a practical understanding of high-stakes legal matters involving businesses, individuals, fiduciaries, and estates.

Barclay Damon attorneys team across offices and practices to provide customized, targeted solutions grounded in industry knowledge and a deep understanding of our clients' businesses. With approximately 300 attorneys, Barclay Damon is a leading regional law firm that operates from a strategic platform of offices in Albany, Boston, Buffalo, New Haven, New York City, Rochester, Syracuse, Washington DC, and Toronto. Our firm serves clients across the country and, for some practices, provides US legal services around the globe. For more information, visit our award-winning website at barclaydamon.com.

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