Mark Rosencrantz is a highly respected commercial litigation and construction attorney who currently serves as the Chair of the firm’s Construction Group. With nearly three decades of experience representing companies across a broad range of sectors. Mark is known for his strategic acumen and ability to deliver results in complex, high-stakes litigation.
In his commercial litigation practice, Mark advises companies of all sizes, from closely held corporations to large national entities, on a range of complex legal issues. His portfolio includes cases involving breach of contract and shareholder disagreements, business torts, fraud, embezzlement, trade secret misappropriation, trademark and copyright infringement, and enforcement of non-compete and confidentiality agreements. He has successfully handled multi-million-dollar cases in both state and federal courts across Washington, Oregon, Nevada, Texas, Arizona, Idaho, Hawaii, Illinois, New Hampshire, and New York.
Clients value Mark’s ability to develop strategic solutions that align with their business goals. He recognizes that litigation, while sometimes necessary, can be a costly distraction. Whether in trial, arbitration, or negotiation, Mark takes a pragmatic, forward-thinking approach, emphasizing efficiency and risk mitigation. He also advises clients on preventative strategies, including contract negotiation and risk management, to help avoid litigation altogether.
Complimenting his commercial litigation work is Mark’s robust construction law practice. He represents a range of industry stakeholders, including general contractors, subcontractors, developers, design professionals, and owners. From compliance and risk allocation to claims resolution and litigation, Mark’s counsel spans the full lifecycle of construction projects. His experience includes infrastructure projects, commercial buildings, and residential properties, with an emphasis on resolving disputes involving construction defects, delay and impact claims, bid protests, and copyright infringement of building plans. Mark’s in-depth knowledge of the industry, combined with his litigation background, makes him a trusted advisor for clients navigating both routine and crisis-level disputes.
Throughout his career, Mark has earned a reputation for professionalism and leadership within the legal community. Whether guiding a company through a high-stakes business dispute or defending a contractor in a multi-million-dollar construction claim, he brings a strategic, steady approach and unwavering commitment to achieving his clients’ goals.
Outside of his practice, Mark serves as an arbitrator in the King County Superior Court Mandatory Arbitration Program. He is also a frequent speaker and author on topics related to commercial litigation, construction law, and dispute resolution.



