Sean Hanlon

Sean consistently achieves positive outcomes for clients, whether through contract drafting and negotiation, settlement, dispositive motion, trial, or appeal.

With over a decade of litigation and trial experience, Sean is focused on counseling clients through the whole life cycle of commercial construction projects. Understanding the litigation of construction disputes, Sean and his team of project attorneys anticipate problems and protect clients’ interests in drafting and negotiating construction and design contracts. Through informed project counseling, Sean works to resolve disputes before they cause project delays. When litigation or formal dispute resolution is necessary, Sean consistently achieves positive outcomes for clients, whether through trial, dispositive motion, or settlement.

Sean recently completed a fully-dedicated secondment for one of his construction clients. During that secondment for a large contractor focused on infrastructure and landmark construction projects, Sean served as internal senior counsel and legal point of contact on many active and in-pursuit projects in the Mountain West, South Central, and South Eastern Atlantic regions of the U.S. Those projects involved a variety of project delivery methods—including traditional design-bid-build, CMAR, Design-Build, Progressive Design-Build, and Public-Private-Partnerships (P3s)—and ranged in contract value per project from several million dollars to over $3 billion. After completing his secondment, Sean is serving as external project counsel on a P3 transportation infrastructure project exceeding $2 billion and a design-build transportation infrastructure project exceeding $3 billion.

Proven Experience: Sean has first-chaired 34 trials, 12 for Holland & Hart clients, and another 22 during his secondment as a special prosecutor with the Denver City Attorney's office, including 12 jury and 10 bench trials. In addition to counseling owners, prime contractors, lenders, and loan servicers, Sean handles a variety of general commercial litigation matters. He has also successfully represented clients in appellate matters in Colorado at the state and federal levels.