Andrew J. Sloniewsky

Andrew Sloniewsky is a partner in PLG's Washington, DC office and a trial lawyer focused on complex commercial litigation. For more than three decades, he has represented clients in high-stakes business disputes in federal and state courts nationwide. His experience spans disputes involving real estate, venture capital, logistics, manufacturing, equipment sales, and non-compete agreements, as well as antitrust, ERISA, fraudulent conveyance, securities fraud, and trademark matters. He has also handled indemnification and insurance coverage litigation arising from environmental, asbestos, and property losses.

Andrew has extensive experience managing every stage of the civil litigation process, from pre-suit investigation and pleadings preparation, through fact and expert discovery, dispositive and emergency injunctive motions practice, trial, appellate argument, and settlement. He has litigated multiple matters in the U.S. District Court for the Eastern District of Virginia, the nation’s “rocket docket,” and holds lead trial counsel certification in the U.S. District Court for the District of Columbia. Andrew has substantial experience with numerous AI and e-discovery software platforms. Before joining PLG, he spent nearly three decades at Steptoe LLP, including over 20 years as Of Counsel handling complex commercial litigation disputes.

Representative Experience

• Represented the owner of an oil transloading facility pursuing claims against a defaulting shipper and related entities, resulting in a favorable trial verdict and a subsequent $125 million settlement  
• Helped a manufacturer pursue a fraudulent transfer lawsuit that secured temporary injunctive relief against the defendants and, ultimately, a settlement exceeding $100 million
• Assisted in the successful defense of corporate directors against shareholder derivative claims arising from a proposed sale of a utility
• Participated in the defense of a property insurer against coverage and bad faith claims seeking more than $60 million in damages, securing partial summary judgment and a favorable settlement
• Helped obtain a favorable settlement for a third-party health insurance administrator sued by a labor union for alleged ERISA violations
• Obtained summary judgment and a subsequent favorable appellate decision for an executive search firm pursuing trademark violation claims against a competitor
• Helped arbitrate claims that partners of a large dissolved law firm brought against a successor firm
• Managed numerous large discovery and investigative document reviews, including responses to third-party subpoenas and government “second requests” in the pre-merger context