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Daniel Mateo

Daniel Mateo



  • University of Pennsylvania Law School, 1993, J.D.
  • Rutgers, The State University of New Jersey, 1990, B.A.

Professional Admissions / Qualifications

  • New Jersey

Court Admissions

  • U.S. Court of Appeals - Third Circuit
  • U.S. District Court - District of New Jersey
  • All State Courts - New Jersey


  • Spanish
  • English

Dan is a partner in Reed Smith’s Commercial Litigation Group, with responsibility for handling a wide range of complex commercial litigation matters in state and federal courts around the country.  He also has substantial experience arbitrating commercial disputes, which includes the enforcement of arbitral agreements and awards.  In addition, Dan has considerable experience managing the complete electronic discovery process, in the context of both litigation and arbitration.

During his years of practice, Dan has developed particular experience representing clients in the life-sciences industry that have been faced with commercial and contractual litigation, product liability matters, and toxic-exposure cases.  As a result, Dan has a wealth of knowledge regarding both the business and litigation issues that today’s dynamic life sciences and pharmaceutical companies are apt to encounter.  His experience is cross-disciplinary and extends to the transactional, regulatory and intellectual property issues that are essential to understanding the specialized needs of life sciences companies confronted with complex litigation.  Dan is familiar with many of the issues associated with the life cycle of prescription and over-the-counter products manufactured by both branded and generic pharmaceutical companies, including pre-clinical and clinical development, NDA and ANDA regulatory approval, successful launch and commercialization, and product licensing, supply, collaboration and promotion.

In addition to his specialized life sciences experience, Dan has defended a number of personal injury and wrongful death actions arising out of allegations of workplace chemical exposure or allegedly defective consumer products, swimming pools and heavy equipment/machinery.

Employment History

  • 1998 - Reed Smith LLP – Princeton, N.J.
    • Litigation Partner (2001 to Present)
    • Litigation Associate (1998 to 2001)  
    • Member of Reed Smith’s Diversity Committee (2001 to Present)
    • Member of Reed Smith’s Recruitment Committee (1999 to 2004)
  • 1994 - Norris, McLaughlin & Marcus, P.A. – Bridgewater, N.J.
    • Litigation Associate (1994 to 1998)
    • Summer Associate (Summer of 1992)


  • Honorable John E. Wallace, State Superior Court - New Jersey, Appellate Division

Honors & Awards

  • New Jersey Business Magazine, “NJ BIZ,” Forty under 40 (2007).  The award recognizes 40 of New Jersey’s most dynamic business leaders under the age of 40.  The award focuses on leaders who are not only making headlines, but who are also committed to professional and community growth.

Professional Affiliations

  • New Jersey Law Firm Group – Chair (2004 to Present)
    • The New Jersey Law Firm Group is a nonprofit corporation comprised of law firms, law schools, corporate legal departments, government agencies and public interest organizations that are committed to fostering diversity within the New Jersey Legal Community.
  • Hispanic Bar Association of New Jersey – Current Member
    • President (2011 to 2012)
    • President-Elect (2010 to 2011)
    • Recording Secretary (2005 to 2006)
    • Membership Secretary (2004 to 2005)
  • Hispanic National Bar Association – Current Member
    • Board of Governors, N.J. Regional President (2005 to 2008)
    • Chair of the Personnel Committee (2007 to 2008)
  • Leadership New Jersey – Class of 2004 and Current Fellow
    • Year-long seminar series designed to educate and involve successful professionals in community and civic activities
  • New Jersey Supreme Court, Civil Practice Committee (2002 to 2006)

Notable Quotes