Diego J. Rosado



Diego J. Rosado is a business litigator who focuses his practice on assessing, managing, and resolving construction and related litigations and disputes, often involving commercial and non-residential buildings and real property. Diego also represents institutional and other clients in complex commercial litigations and disputes spanning multiple industries, including construction and real estate, manufacturing and procurement, and commercial leasing.

Clients rely on Diego to strategically analyze and address the legal disputes affecting their businesses in a thoughtful and practical fashion. Clients have consistently recognized Diego’s ability to present a clear and thorough analysis of the issues at stake as well as his persuasive writing skills.

Diego also serves as the firm’s hiring partner for the Florham Park office. His responsibilities in that role include interviewing and hiring summer associates to the Florham Park office and leading the office’s summer associate program.

Construction / Real Estate Litigation and Disputes

Diego handles litigations and disputes for clients in the construction, building solutions and real estate litigation space. Diego has experience prosecuting and defending claims both upstream and downstream on behalf of his clients and litigating issues relating to default, delay, acceleration, extra work and assessed back charges. Diego’s representative experience includes:

  • Representation of a solutions and equipment provider for buildings in a variety of litigations, arbitrations and pre-litigation disputes
  • Representation of a prominent real estate development group in a litigation against its commercial tenant
  • Representation of a premier wedding and special event venue in a complex construction dispute against its former general contractor and various subcontractors

Commercial Litigation

Diego has experience litigating business disputes involving a variety of commercial contexts. He has handled numerous matters involving or otherwise relating to supply and other procurement-related agreements, commercial advertising disputes, and executive employment agreements. His representative experience includes:

  • Representation of a leading health care liability insurer in an advertising litigation; summary judgment granted in favor of the insurer. NJ PURE v. Princeton Insurance Company, 2018 WL 4502187 (D.N.J.)
  • Representation of an infection prevention device manufacturer in a dispute with a former product supplier
  • Counseling clients with respect to best practices surrounding various procurement related agreements and special event agreements
  • Representation of the owners of several luxury automotive dealerships in litigations against several management-level executives/employees
  • Representation of a parts manufacturer/supplier to the automobile industry in a pending litigation
  • Representation of a leading management consultant firm in response to a variety of requests for information

Financial Services Industry

Diego has further experience representing broker-dealers and other clients in the financial services industry with respect to disputes pending before FINRA and various courts. Diego’s representative experience includes:

  • Representation of a leading solutions provider to the financial services industry in a variety of matters.
  • Representation of a broker-dealer in an arbitration against a financial advisor formerly employed by the broker-dealer; no monetary damages awarded.
  • Representation of a broker-dealer in a variety of litigations and arbitrations involving both former advisors and former customers.

Prior Experience

Following graduation from law school, Diego served as a judicial clerk to Justice Helen E. Hoens of the New Jersey Supreme Court. Diego’s clerkship exposed him to dozens of civil litigations, in the commercial context and otherwise, before New Jersey’s highest state court.

Personal Interests

Diego is an avid fan of the New York Yankees, New York Jets, and Brooklyn Nets, as well as the NFL, NBA and MLB more generally. He also enjoys playing softball, exercising, and reading historical fiction and nonfiction novels.

Related Industries


Bar Admissions

New Jersey
New York

Court Admissions

U.S. District Court for the Eastern District of New York
U.S. District Court for the District of New Jersey
U.S. District Court for the Southern District of New York


Supreme Court of New Jersey, Hon. Helen E. Hoens, 2011-2012


Seton Hall University School of Law
J.D. magna cum laude, Order of the Coif, Seton Hall Law Review (2011)

The College of New Jersey
B.A. cum laude (2008)

Leadership & Community

Pro Bono

Diego provides dozens of hours of pro bono legal services each year. He has experience in civil rights litigations, post-conviction proceedings, and parole revocation appeals.

Professional Associations

  • Investigator, N.J. District X-A Ethics Committee (appointed by the New Jersey Supreme Court), 2022-present

Firm Leadership

  • Hiring Partner, Florham Park Office
  • National Hiring Committee, 2023 – present
  • Diversity and Inclusion Committee, 2017-22
  • Associates’ Committee, 2018-21


  • New Jersey Law Journal — New Jersey Legal Awards “New Leaders of the Bar” Honoree, 2023
  • Best Lawyers® — "Ones to Watch," Banking and Finance Law, 2022-24
  • New Jersey Super Lawyers — Rising Star, 2018-23
Awards Methodology
No aspect of these recognitions has been approved by the highest court of any state.
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