Partner

A.J. Monaco

212.885.8821 ajmonaco@bartonesq.com
Partner

A.J. Monaco

212.885.8821 ajmonaco@bartonesq.com
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Arthur Joseph “A.J.” Monaco is a Partner in Barton’s Litigation Group in New York and California.

A.J.’s practice is focused on complex commercial litigation and labor and employment disputes. He routinely handles cases from inception to trial in federal and state courts and at the appellate level. His litigation practice also includes representing clients through alternative dispute resolution including mediation and arbitration.

Substantively, A.J.’s experience centers on disputes in the financial services industry on behalf of investment and commercial banks, private equity funds, hedge funds, registered investment advisors and broker-dealers. He also litigates matters for cutting-edge technology and data analytics companies, e-commerce retailers, service providers and hospitality and transportation businesses.

A.J. takes a client-first business approach to his practice. When possible, he seeks to find ways to resolve disputes amicably and often counsels his clients on litigation mitigation and avoidance strategies. These same clients rely on A.J. as a trusted advisor who assists them with strategic advice regarding their key agreements and relationships with employees, customers, and vendors.

A.J. attended Dartmouth College and the U.C.L.A. School of Law.

Prior to joining Barton, A.J. was an attorney with Sullivan & Cromwell in their New York office and a partner in the litigation boutique, O’Brien LLP.

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A.J. Monaco > Matters

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Litigation

Partnered with major international law firm as essential team member in a high-stakes and high-profile trial defending a hedge fund and its principal against breach of contract accusations brought by former employees, and asserting counterclaims for breach of fiduciary duty and defamation. Duties encompassed witness preparation, examination drafting, supervision of junior attorneys, drafting of critical motions and applications, involvement in oral arguments, and regular communication with opposing counsel and the trial judge.

Counsel in diverse legal matters for a leading, California-based global retailer of diamonds and fine jewelry. Successfully resolved a defamation dispute in New York state court, effectively navigating intricate legal challenges. Secured dismissal of all claims and obtained an award of attorneys’ fees in a separate matter.

Represented an industry-leading California-based global technology company, achieving dismissal of various business tort allegations in New York state court. Skillfully prevented deposition of non-party witnesses and safeguarded sensitive information in separate actions across state and federal courts.

Actively representing an emerging fintech company in multiple legal matters, including a pending case in the New York Commercial Division. Served as lead trial counsel in high-profile litigation, achieving successful resolution. Experienced in handling employment discrimination lawsuits and providing ongoing advice on employment and business contract negotiations.

Advocated for a global retail and investment bank in numerous business tort and employment matters, securing dismissals without liability in multiple state and federal actions in New York. Resolved numerous other actions prior to litigation, reflecting a proactive approach to legal challenges.

Member of the trial team representing investors in action in Alabama brought by a public REIT stemming from a troubled real estate investment. Helped to defeat two summary judgment motions and obtain a jury verdict for $12.7 million, including $6 million in punitive damages on counterclaims for fraud and breach of fiduciary duty.

Notable Decisions

Drafted appellate brief and conducted argument obtaining affirmance of summary judgment establishing precedent on contentious New York Labor Law issues. [Raparthi v. Clark, 214 A.D.3d 613 (1st Dep’t 2023)]

Drafted successful objection to District Court of Magistrate Judge’s discretionary decisions. [PWV Consultants LLC v. Chebil Realty LLC, 2022 WL 562220 (S.D.N.Y. Feb. 24, 2022)]

Successfully opposed motion to dismiss complaint alleging various intentional torts, including successful invocation of New York City’s Victims of Gender-Motivated Violence Protection Law. [De Cespedes v. Weil, 2021 WL 495752 (Sup. Ct. N.Y. Cty. Feb. 10, 2021)]

Defended complaint asserting creative claims against a motion to dismiss in a case reported on by the New York Post. [Ho v. Pierpont Reservations Ltd., 2020 WL 1644008 (S.D.N.Y. Apr. 2, 2020)]

Drafted appellate brief and conducted argument for a bank, achieving an affirmance of judgment against a former employee. [Barclays Capital Inc. v. Carreras, 225 A.D.3d 463 (1st Dep’t 2024)]

Discovery & Document Review

Conducted legal and factual research for a multi-party antitrust case in California, supporting the preparation of a motion to dismiss for lack of personal jurisdiction.

Managed document collection, review, and production in an international criminal investigation by the Department of Justice and banking regulators, addressing complex issues of international Bank Secrecy Law and money laundering.

Analyzed Deferred Prosecution and Non-Prosecution Agreements for client consultation and settlement negotiations with the Department of Justice, overseeing a team of over 25 attorneys in document review and production.

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