Preti, Flaherty, Beliveau & Pachios, Chartered, LLPSkip Navigation
  • People
  • Services
  • Firm
  • More
  • People
  • Services
  • Firm
    • Deliberately Different
    • Diversity
    • Pro Bono
    • Management
    • Contact Us
  • More
    • News
      • Firm News
      • Events
      • Press Coverage
    • Resources
      • Publications
    • Affiliates
      • PretiStategies
      • Charter Title Company LLC
    • Careers
      • Overview
      • Lateral Attorneys
      • Summer Associates
        • Summer Associates
        • Summer Program FAQ
      • New Associates
      • Attorney Openings
      • Staff Openings
Standing photo of Litigation attorney Nate Fennessy

Nathan R. Fennessy,
Director
nfennessy@preti.com

Concord, NH 603.410.1500
vCard
Resume PDF
  • Biography
  • Publications
  • News & Press Coverage
  • Raising the Bar
  • Biography
  • Publications
  • News & Press Coverage
  • Raising the Bar

Services

  • Litigation
  • Construction Law
  • Government Affairs
  • Municipal Law and Finance
  • Data Security & Privacy
  • Product Liability Litigation
  • Cannabis Business
  • Public Finance

Admissions

  • New Hampshire
  • District of Columbia
  • Virginia
  • U.S. Bankruptcy Court, District of New Hampshire
  • U.S. District Court, District of New Hampshire
  • U.S. District Court, Eastern District of Wisconsin
  • U.S. Supreme Court

Education

  • Catholic University of America, Columbus School of Law (J.D., magna cum laude, 2007)
  • Georgetown University (B.A., magna cum laude, 2004)

News

March 31, 2021
Benchmark Litigation Names Preti Flaherty 2021 “Maine Firm of the Year” More
January 1, 2017
Preti Flaherty Promotes Attorneys Michael S. Smith to Partner and Nathan R. Fennessy to Director More
December 15, 2016
Preti Flaherty Attorneys Secure Significant Win for NH Construction Industry More

Press Coverage

October 25, 2015
A young incumbent, Nathan Fennessy plans to continue the work he’s started
Concord Monitor
August 14, 2015
As Lakeview Closes, A Small Town Grapples With Group Homes
New Hampshire Public Radio
  • Biography
  • Publications
  • News & Press Coverage
  • Raising the Bar

Firm Highlights

Publication

Maine Municipalities Scrutinizing Nonprofit Property Tax Exemptions

Recent news reports have noted that since early 2025, the City of Portland’s Tax Assessor’s Office has revoked the tax-exempt status of properties belonging to nearly twenty non-profit entities. In Maine, increased scrutiny of...

Press Coverage

NEFAC Legal Fund Supporting Public Records Lawsuit in Maine Murder Case

The New England First Amendment Coalition has announced support for a public records lawsuit seeking answers about whether a 2024 double homicide in Bath could have been prevented. The suit challenges extensive redactions in...

Event

Insurance, Bonds, and Indemnity in AIA Contracts

Mastering AIA Contracts: A Practical Webinar Series for Contractors and Construction Managers Join us for the final installment in our monthly 9-part webinar series focused on the most widely used contract family in the...

Publication

Legislature Finally Adjourns Sine Die

On Wednesday, April 29, 2026, the Maine Legislature finally concluded the Second Regular Session of the 132nd Legislature, culminating in adjournment sine die.  The Legislature had returned to Augusta on Wednesday of this week...

Publication

Whither Goest Offshore Wind Projects in the United States?

It’s 2007-- The American College of Environmental Lawyers is founded by 23 attorneys, including me. George W. Bush, Jr., is President. It’s 2008--I begin working on offshore wind development, and Barack Obama is elected...

News

Preti Flaherty Attorneys Selected for Inclusion in 2026 Super Lawyers

Fifteen Preti Flaherty attorneys have been selected for recognition by Super Lawyers , including 8 Rising Stars. Super Lawyers recognizes outstanding attorneys across firms of all sizes and more than 70 practice areas nationwide...

News

Jason Howe Recognized by MEREDA at 2026 Forecast Conference

Jason Howe has been honored by the Maine Real Estate and Development Association (MEREDA) at their 2026 Forecast Conference & Member Showcase, held on February 26, 2026 at the Holiday Inn By the Bay...

News

Benchmark Litigation Names Preti Flaherty 2026 “Maine Firm of the Year”

Benchmark Litigation has named Preti Flaherty as the 2026 Litigation Firm of the Year in Maine. The Benchmark Awards recognize the country’s most distinguished litigators through extensive peer and client-reviewed research and analysis of...

Publication

The Second Session of the 132nd Maine Legislature is a Wrap…Almost.

The Maine State Legislature almost completed their work on Tuesday, April 14th, around 10:30 pm. However, they did not adjourn Sine Die (without day), so they have not officially ended the Second Regular Session...

Press Coverage

New Documents Undermine Trump Administration's Claims About Offshore Wind Deal

New documents have revealed that the Trump administration paid TotalEnergies nearly $1 billion to cancel the company's offshore wind leases, with newly disclosed settlement terms raising questions about the deal's legitimacy. The settlement allowed...

© 2026 Preti, Flaherty, Beliveau & Pachios, Chartered, LLP Follow Us:
  • Contact Us
  • Privacy
  • Make a Payment Online
  • File Transfer
  • Disclaimer / Cloud Storage
Find a Person
  • Associate
  • Director
  • Managing Partner
  • Of Counsel
  • Partner
  • Policy Advisor, Preti Strategies
  • Senior Counsel
Cannabis Business
  • Cannabis Business
Construction Law
  • Construction Law
  • Warehouse Management and Material Handling
Corporate and M&A
  • Corporate and M&A
  • Animal Law
  • Emerging Businesses
  • Hospitality
  • Mergers & Acquisitions
  • Municipal Broadband
  • Resort Services
  • Securities
  • Taxation
  • Trusts & Estates
Creditors' Rights & Bankruptcy
  • Creditors' Rights & Bankruptcy
Education Law
  • Education Law
Employment Law
  • Employment Law
Energy & Telecommunications
  • Energy & Telecommunications
  • Cleantech & Renewable Energy
  • Climate Strategy
  • Municipal Broadband
  • Offshore & Onshore Wind Power
Environmental
  • Environmental
  • CERCLA Allocation & Mediation
  • Cleantech & Renewable Energy
  • Climate Strategy
  • Environmental Litigation
  • Land Use & Permitting
  • Natural Resource Damages
  • Offshore & Onshore Wind Power
  • Stormwater
Family Law
  • Family Law
Forest Products Law
  • Forest Products Law
Franchising and Distribution Services
  • Franchise Law
Government Affairs
  • Government Affairs
  • Administrative Law
  • Election Law
  • Government Procurement
  • Maine Legislative Team
Health Law
  • Health Law
Immigration
  • Immigration
International Law
  • International Commerce
Litigation
  • Litigation
  • Antitrust & Competition
  • Appellate Litigation
  • Data Security & Privacy
  • Environmental Litigation
  • Financial Industry Litigation & Arbitration
  • Probate & Fiduciary Litigation
  • Product Liability Litigation
  • Professional Liability
  • Whistleblower & False Claims Act
  • White Collar Defense & Government Investigations
Media Law
  • Media Law
  • Freedom of Information
Municipal Law and Finance
  • Municipal Broadband
  • Municipal Law and Finance
Public Finance
  • Public Finance
Real Estate and Finance
  • Real Estate and Finance
  • Affordable Housing
  • Banking and Financial Services
  • Land Use & Permitting
Transportation & Maritime Law
  • Transportation & Maritime Law
Workers' Compensation
  • Workers' Compensation
  • Augusta, ME
  • Boston, MA
  • Concord, NH
  • Portland, ME
  • Washington, D.C.
ABCDEFGHIJKLMNOPQRSTUVWXYZView All
View All
Find a Service
View All
  • Deliberately Different
  • Diversity
  • Pro Bono
  • Management
  • Contact Us
  • News
    • Firm News
    • Events
    • Press Coverage
  • Resources
    • Publications
  • Affliates
    • PretiStrategies
    • Charter Title Company LLC
  • Careers