Casey Sack

Overview

Casey handles high-stakes commercial litigation for individuals and businesses in state and federal courts. Her practice encompasses a wide range of disputes, including sophisticated commercial and civil actions, construction litigation, shareholder and stockholder disputes, employment matters, and appellate proceedings. She regularly guides clients through mediation, arbitration, and other forms of alternative dispute resolution, providing strategic and dynamic advice and representation.

In her current practice, Casey serves as lead counsel for businesses and professionals facing disputes with significant financial and operational implications. She regularly advises clients on litigation strategy, exposure analysis, and dispute avoidance from pre-litigation through trial. Casey appears frequently in court and is often called upon to handle matters requiring decisive leadership, strategic coordination, and persuasive advocacy.

Casey also advises clients through mediation, arbitration, and other alternative dispute resolution processes, where her ability to assess, leverage, and negotiate matters has led to many successful resolutions. Clients value her clear and responsive communication, measured approach, and steady leadership in complex and contentious matters, and they rely on her not only as a skilled litigator, but as a trusted advisor who understands the broader commercial, regulatory, and reputational considerations at stake.

Experience

Business

• Achieved a significant bench trial victory in Suffolk County Superior Court and a full jury verdict win before the Business Litigation Session.
• Successfully represented closely held companies in high-stakes business disputes, securing favorable resolutions in matters involving breach of contract, fiduciary duty, and unfair competition.
• Obtained dismissal or early resolution of shareholder and stockholder claims through strategic motion practice, including claims alleging oppression, mismanagement, and self-dealing.
• Defended businesses and executives against claims brought under state consumer protection statutes, achieving dismissal of claims seeking multiple damages and attorneys’ fees.
• Successfully prosecuted and defended trade secret and confidential information claims, protecting clients’ proprietary business interests and competitive position.
• Resolved multi-party commercial disputes involving significant financial exposure through mediation and arbitration, minimizing disruption to ongoing operations.
• Achieved favorable settlements in cases involving allegations of fraud, misrepresentation, and tortious interference, following targeted discovery and strategic leverage development.
• Represented businesses in internal disputes and ownership transitions, helping clients resolve contentious matters while preserving enterprise value.

Construction/Real Estate

• Secured a default judgment against a represented contractor in the United States District Court for the District of Massachusetts for violations of the home improvement contractors’ statute.
• Represented multiple owners, contractors, and material suppliers in matters involving mechanics’ liens.
• Secured a successful result on behalf of a homeowner against her contractor including treble damages and attorney’s fees.
• Represented property owners and developers in matters involving construction defects.
• Achieved favorable mediated resolutions in construction disputes involving multiple parties, insurers, and experts, avoiding prolonged litigation and preserving ongoing business relationships.

Employment

• Successfully defended employers against claims of wrongful termination, discrimination, harassment, and retaliation, achieving dismissals, summary judgment, and favorable settlements.
• Obtained dismissal of wage and hour claims through strategic motion practice and careful pre-litigation investigation.
• Secured favorable outcomes in disputes involving employment contracts, non-compete agreements, confidentiality obligations, and restrictive covenants.
• Represented employers in disputes under federal and state employment statutes, including Title VII, ADA, FMLA, and Massachusetts anti-discrimination laws, mitigating liability and reputational risk.
• Guided clients through internal investigations and regulatory inquiries, ensuring compliance while minimizing exposure to litigation or government action.
• Counseled employers proactively on employment policies, termination strategies, and risk mitigation, helping prevent litigation before it arises.

Accolades

• Massachusetts Bar Association Leadership Academy, 2025-2026
• Top Lawyer, Boston magazine, 2025
• Rising Star, Massachusetts Super Lawyers, 2023–2025
• Dorothy Day Award for Pro Bono Service, 2020

Associations & Memberships

• American Bar Association
• Massachusetts Bar Association
• Boston Bar Association

Publications & Events

• Jon Friedmann and Casey Sack Selected for Boston Magazine’s 2025 Top Lawyers List
• Casey Sack Selected as Fellow in the 2025-26 Class of the Massachusetts Bar Association Leadership Academy
• Eight Rudolph Friedmann Attorneys Recognized on 2025 Massachusetts Super Lawyers and Rising Stars List
• Jonathon Friedmann and Casey Sack Featured in Massachusetts Lawyers Weekly: “‘No more,’ judge says in ordering default as discovery sanction”

• Flashing Lights, Legal Rights: What to Know if You’re Pulled Over by the Police
• The Meaning of At-Will Employment in Massachusetts
• No Commission Without Consideration: The Legal Pitfalls of Exclusivity Agreements in Property Sales
• No Application, No Problem: The Recent Expansion of Retaliation Claims Based on Failure to Hire
• Worry and Woe for Wage Act Defendants: The Broad Reach of the Massachusetts Wage Act
• Insurers, Issues and Indemnification: The New Cost of Delayed Reimbursement
• The End of An Era: The FTC Proposal to Ban Noncompete Agreements
• Does the Federal Arbitration Act Exception Apply to Your Employees?