Renier P. Pierantoni

Renier P. Pierantoni

Renier P. Pierantoni

Renier P. Pierantoni has more than twenty years of experience as a litigator, entrepreneur, and educational leader who adds to Cooper, LLC’s sophisticated and professional “big firm” expertise in representing private enterprises and not-for-profit organizations in the New York/New Jersey metropolitan area. A commercial litigator who has represented Fortune 100, as well as small business clients in the manufacturing, retail, and energy areas on insurance policyholder, claims to recover millions for business interruption, property damage, professional liability, toxic tort, and homeowner/construction losses, Renier has also defended clients against wrongful termination (“whistleblower”/CEPA) suits and other business matters, such as breach of contract claims.​

Before joining Cooper, LLC, Renier was at Morgan, Lewis & Bockius LLP, where he prosecuted insurance claims and worked cooperatively with defense counsel in multi-district state and federal court hearings, trials and administrative matters, negotiated settlements resulting in multi-million dollar recoveries, and advised in-house counsel on protective asset strategies. Following Morgan Lewis, Renier served as General Counsel to U.S.-based natural gas vehicle (NGV) manufacturing ventures from South Korea. As General Counsel, Renier was instrumental in laying the foundation for the use of natural gas as an alternative fuel source in the Commonwealth of Kentucky through various presentations and speeches to the Kentucky State Legislature, government officials, and coal industry leaders.

Renier has a JD from Yeshiva University’s Cardozo School of Law and has served as an Adjunct Professor at Rutgers University Graduate School of Education’s Center for Effective School Practices. Renier’s additional experience as a school leader of one of New Jersey’s top-performing public charter schools, as well as his entrepreneurial background as a professional sports agent and successful owner of a 5-star rated mobile food franchise, makes him uniquely qualified to provide clients with a pragmatic business-minded approach to resolving issues.

Notable Accomplishments and Reported Decisions:

Kentucky Bill H.B. 212 (Kentucky Revised Statutes 186.750, April 4, 2013): drafted bill that transformed Kentucky’s transportation, energy, and tax laws to allow the coal industry, other companies, and residents to convert gasoline and diesel-operated vehicles to operate on alternate and renewable fuel devices, such as natural gas tanks and engines.

AMCA Ventures, LLC v. Travelers Prop. Cas. Co. of Am., Docket No. MID-L-6558-21(New Jersey Superior Court – Middlesex County) (recovery of first-party theft-related losses under marine & cargo policy)

Mageba USA LLC v. Allied World Sur. Lines Ins. Co., et al., Index No. 66920/2021 (New York Supreme Court – Westchester County) (settlement of first-party coverage claim under professional liability policy related to the construction of Governor Mario M. Cuomo Bridge)

Strang v. JobProgress, LLC, et al., Docket No. MID-L-2292-21 (New Jersey Superior Court – Middlesex County) (defending against LAD discrimination, CEPA, Pierce, and Wage & Hour claims)

City Prints LLC, et al. v. Darian Group, Inc., Index No. 652423/2018 (New York Supreme Court – New York County) (favorable settlement of breach of contract and fraud claims)

Sunoco, Inc. v. Illinois National Ins. Co., No. 04-cv-4087, 2005 WL 2077258 (E.D. Pa. Aug. 29, 2005) (judgment for Sunoco’s right to recover $50 million in defense and indemnity costs due to third-party MtBE losses)

In re Goulds Pumps, Inc., 15 Misc. 3d 1132(A) (N.Y. Sup. Ct. 2007) and Goulds Pumps, Inc. v Travelers Cas. & Sur. Co., No. B255439, 2016 3564244 (Cal.Ct.App., June 22, 2016): On behalf of pump manufacturer on insurance coverage actions in New York and Los Angeles against multiple historical line carriers, leading to a judgment confirming Goulds’ right to access millions of dollars in liability coverage.

Renier presently serves on the Board of Directors of the Puerto Rican Bar Association as Chair of its Development Committee. He previously served as President of the Hispanic National Bar Association for New York and on the Board of Trustees for the ACLU of New Jersey.


A Practical Guide to Cyber Insurance for Businesses: Professional Liability (ABA Journal – June 1, 2022)

Analyzing Non-Cyber Coverage for Claims Involving (Not So) Smart Contracts (ABA Insurance Coverage Committee Journal – Spring 2020)

To Be, or Not To Be … Laches (New York Law Journal – April 3, 2020)

Vendor’s Products Liability Coverage: An Option for Malware-Based Cyber Breaches (New Jersey Law Journal – December 13, 2019)

Going Outside the Rules to Keep Fees on the Table Under Rule 45(g)  (ABA Pretrial Practice & Discovery Committee – November 1, 2019)

How Classroom Predictability & Student Trust Enhance Student Learning (Rutgers Graduate School of Education Center for Effective School Practices – February 15, 2017)

Unreasonable Intrusions: Investigating the Politics, Faith & Finances of Americans Returning Home (Muslim Advocates – April 1, 2009)

Additional publications and lectures can be found on LinkedIn here.


He is happily married to his wife of twenty years, Lisa Campisi, a Partner at Blank Rome LLP, and adores his son, Christopher (a.k.a. “Krispy”), who owns and operates a coast-to-coast film and entertainment production company whose work has been featured in Vogue, SOYO, and Redbull magazines and received accolades in the film industry.


Yeshiva University’s Cardozo School of Law, J.D.
St. John’s University, NY, B.S.

Bar/Court Admissions

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

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