Hartley Michon Robb | Executive Advocacy, Employment Law and Litigation

Patrick J. Hannon


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Patrick J. Hannon

Patrick J. Hannon is a seasoned trial attorney, concentrating on employment and employment-related litigation and arbitration, as well as disputes between partners and shareholders in closely held corporations.  He handles a broad range of matters, including wrongful termination, discrimination and non-compete / non-solicitation matters as well as cases involving breaches of contractual and fiduciary duties, whistleblowing and violations of the Wage Act. 

Patrick began his career as a trial attorney with the United States Department of Justice and has litigated hundreds of cases (conducting both bench and jury trials) in state and federal courts across the country. In addition to his trial work, he also regularly represents clients before administrative agencies, in alternative dispute resolution, and on appeal.

Patrick has been a forceful advocate for clients across a broad variety of industries, including healthcare, financial services, information technology, insurance, and real estate development. Drawing upon his extensive experience, Patrick litigates complex disputes in a practical and cost-effective manner. He explains complicated factual and legal issues in simple, straightforward language, and approaches every case with an eye towards presenting it to a judge or jury.

Some of Patrick's successes include: obtaining reversal from the Massachusetts Supreme Judicial Court in a case concerning an issue of first impression under Massachusetts insurance laws; successfully defending an international engineering firm in lawsuit alleging defective design and other tortious conduct arising from construction of an earthen levy; following a three-week trial, obtaining a favorable jury verdict in a dispute concerning an insurance company's alleged unfair and deceptive trade practices; successfully defending a national philanthropic organization in a case alleging age and disability discrimination; obtaining injunctive relief on behalf of a shareholder seeking to force the payment of distributions from a closely-held software company, which the shareholder claimed were being withheld in an effort to "freeze" him out of the business; successfully representing a condominium developer against claims arising from alleged design and construction defects; on behalf of the United States, obtaining a jury verdict in excess of $1 million arising from unpaid "trust fund" taxes; successfully representing a health care provider in parallel state and federal court proceedings arising from alleged violations of the Anti-Kickback statute and Stark Law.

Prior to joining Hartley Michon Robb LLP, Patrick was a litigator at Sugarman, Rogers, Barshak & Cohen, P.C. where he was selected by Thomson Reuters / Super Lawyers as a Massachusetts Rising Star. In May 2015, Patrick was named among Massachusetts Lawyers Weekly, Excellence in the Law Honorees.  While with the Justice Department, Patrick was formally recognized as an "Outstanding Attorney" for his work on behalf of the United States. Before entering the government, Patrick served as a law clerk for the Honorable Gene Carter of the United States District Court for the District of Maine.

Patrick holds leadership positions in the Boston Bar Association, where he serves as Co-Chair of the Federal Tax and Business Transactions Committee, and the Massachusetts Bar Association, where he serves as Chair of the Mock Trial Committee. A staunch supporter of providing legal assistance to the underserved, Patrick is an active member of the Massachusetts Bar Association's Access to Justice Council.

Patrick earned his B.A. from Boston College and his J.D. magna cum laude, Order of the Coif, from Boston College Law School. He serves as Attorney Coach for the Newton North High School Mock Trial Team.


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