Biography

Nathan is a Director in the firm’s Concord, New Hampshire office. His work focuses on complex commercial litigation and government investigations in the construction, healthcare, insurance, and financial services industries. He frequently represents clients in state and federal courts, as well as before numerous state agencies and the Legislature. Nathan also has extensive experience representing municipalities, landowners, and developers touching on all areas of municipal law, including municipal governance, zoning, planning and land use regulations, permitting, licensing, tax assessment and abatement issues, and personnel and labor issues.

Nathan has authored several articles and provides presentations on a variety of legal topics in the healthcare and construction industry, as well as developments in the legal landscape for cannabis-related businesses. Nathan is also one of the editors – including the Honorable Tina Nadeau, Chief Justice of New Hampshire Superior Court – of the treatise A Practical Guide to Evidence in New Hampshire 2nd Edition (2021).

In recognition of his notable work for clients, Nathan has been named multiple times to the “Under 40 Hot List” by Benchmark Litigation, which recognizes the "nation’s most notable up-and-coming litigation attorneys." This list is compiled through a process of both peer review and case examination.

Nathan is an active member of the community. Nathan was named to the 2021 New Hampshire Union Leader 40 Under Forty list recognizing “outstanding Granite Staters making a difference in their communities and professions.” In December 2020, he was appointed by the New Hampshire Supreme Court to serve on the Access to Justice Commission. Nathan currently serves on the New Hampshire Campaign for Legal Services Large Firm Committee. He has served on multiple committees of the New Hampshire Bar Association. In November 2023, Nathan was elected to his second term as an at-large councilor on the Concord City Council. Previously, he served on the Concord School Board (2015-2018). Nathan also coaches youth baseball and basketball.

During law school, Nathan interned for the United States Department of Justice and The Honorable Mary Ellen Coster Williams at the United States Court of Federal Claims. He was also a member of the law review and national moot court team. After graduation, Nathan practiced law in Washington, D.C., with the international law firm Reed Smith LLP, before returning home to New Hampshire.

Professional Activities

  • New Hampshire Supreme Court, Access to Justice Commission, Member
  • New Hampshire Bar Association, Legislation  Committee, Member

Honors & Recognition

  • Benchmark Litigation - Under 40 Hot List
  • New Hampshire Union Leader - 40 Under Forty

Civic and Charitable Activities

  • Concord City Council, At-Large Councilor
  • Concord School Board, past member
  • Georgetown University Alumni Admissions Program
  • New Hampshire Campaign for Legal Services, Large Firm Committee, Member

Publications

  • A Practical Guide to Evidence in New Hampshire 2nd Edition (2021), Edited by Nathan Fennessy, Hon. Tina Nadeau, Kenneth E. Rubinstein, and Karen A. Schlitzer.
  • "Health Reform Legislation Includes Significant Amendments to the False Claims Act," co-author, Federal Forecaster, Vol. VI, No. 2 (Spring 2010)
  • "The President Signs a Significant Amendment to the Federal False Claims Act," co-author, Financial Fraud Law Report (September 2009)
  • "Sweeping Changes to the Federal False Claims Act Are on the Horizon," co-author, Financial Fraud Law Report (May 2009)
  • "Changes to the Federal False Claims Act Are on the Horizon," co-author, Federal Forecaster, Vol. V, No. 2 (Spring 2009)
  • Comment, "Bringing Bloggers Into the Journalistic Privilege Fold," 55 Catholic Law Review 1059 (Summer 2006)

Firm Highlights

Publication

FRBP 9006 Doesn't Take Vacations

Bodie Colwell of Preti Flaherty’s Creditors' Rights & Bankruptcy Group, has authored the article "FRBP 9006 Doesn't Take Vacations," appearing in the October 2023 issue of the American Bankruptcy Institute's Young & New Members Committee newsletter...

News

David Van Slyke Named to 2024 Lawdragon Green 500: Leaders in Environmental Law

Preti Flaherty’s Managing Partner David Van Slyke has been recognized by Lawdragon as one of the top 500 environmental lawyers in the U.S. It’s the third time he has been named to this prestigious...

News

Attorney Jeffrey Thaler Named to 2024 Lawdragon Green 500: Leaders in Energy Law

Preti Flaherty’s attorney Jeffrey Thaler has been recognized by  Lawdragon  as one of the top 500 Leaders in Energy Law. This is Jeff’s third time named to this prestigious list since the first publication...

Event

Sigmund Schutz to moderate panel at 36th Annual Media and the Law Seminar: Under Attack! Existential Threats to Journalism and Free Speech

From unlawful searches and seizures of newsrooms and highly contentious litigation to physical harassment and calls for violence online, journalists and news organizations are under attack like never before. At the 36 th Annual...

Publication

131st Maine Legislature End of Session Update

The First Regular Session of the 131st Legislature was expected to end on June 15th or soon after. Instead, the First Regular Session ended on March 30th, and the Governor signed the “continuing services&rdquo...

Press Coverage

Maine media groups challenge new law on foreign spending on referendums

Maine’s two largest media associations, represented by Preti Flaherty attorneys Sigmund D. Schutz, Benjamin S. Piper, Jonathan G. Mermin, and Alexandra A. Harriman, filed a federal civil rights lawsuit challenging a Maine law burdening...

Publication

Maine Workers’ Compensation Update - November 2023

The following is an overview of developments with respect to proposed legislation as well as new procedures on independent contractor determinations, medical fee schedule updates, and the use of updated Board forms, including medical...

Publication

November 7, 2023 Election Results

Maine’s November 2023 statewide elections were exclusively referendum questions, four were citizen initiatives, and four were proposed amendments to the Maine Constitution. Of these, Questions 5, 7 and 8 were placed on the ballot...

News

Preti Flaherty Welcomes Trust and Estate Attorney Elise Salek to the Firm

Preti Flaherty is pleased to announce that Elise Salek has joined the firm’s Trusts & Estates Practice Group. Practicing out of the firm’s Concord, New Hampshire office, Elise brings nearly three decades of experience...

Event

Accessing Police Misconduct Records

Preti’s Sigmund Schutz will be one of the Maine panelists in New England First Amendment Coalition’s Accessing Police Misconduct Records series. This series continues NEFAC’s freedom of information lessons and builds on the information...