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

Event

2026 Mechanics Lien Boot Camp

Join Preti Flaherty and ABC Maine for the 2026 Mechanics Lien Boot Camp When a property owner fails to pay for completed work, a mechanics lien can be one of the most powerful tools...

Press Coverage

1st Circ. Judge 'Roe' Denies $1B Lotto Winner's Secrecy Bid

A panel of the First Circuit Court of Appeals ruled that a Maine man who won $1.35 billion in the lottery cannot proceed anonymously in a lawsuit over an alleged violation of a nondisclosure...

Publication

Legislative Leadership, Elections, and Executive Branch Transition Update

Maine State Legislature and Leadership Update The legislative caucuses met Thursday (11/5/26) and yesterday to select their leadership for the 133 rd Legislature.  The actual leadership elections for the House and the Senate will...

News

Jeffrey Thaler Named to the 2026 Lawdragon 500 Global Leaders in Energy

Preti Flaherty is pleased to announce that Jeffrey Thaler has been recognized in the 2026 Lawdragon 500 Global Leaders in Energy. This distinction reflects Jeff's continued leadership and influence in energy and environmental law...

News

Preti Flaherty Ranked Among Best Lawyers 2027 Best Law Firms

Preti Flaherty has been ranked among the 2027 Best Law Firms by Best Lawyers , earning 30 rankings, including 19 Tier 1 awards, across the firm’s Maine, New Hampshire, and Massachusetts offices.   Best...

Publication

Pricing Wage Compliance Risk in EPC Contracts: The Statutory Cure as the Measure of Exposure

Owners of wind, solar, and storage projects routinely ask the EPC contractor to indemnify them for any tax credit lost because the contractor or a subcontractor failed to meet the prevailing wage and apprenticeship...

News

10 Preti Flaherty Attorneys and 6 Practice Groups Recognized in Chambers USA 2026

Preti Flaherty is proud to announce that ten of our attorneys and six practice areas have been recognized in the 2026 edition of Chambers USA, reflecting the firm’s depth of talent across New England...

News

Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2027, Including 2 “Lawyers of the Year” and 3 “Ones to Watch”

Thirty-two Preti Flaherty attorneys have been selected for inclusion in Best Lawyers in America 2027 , a distinction that highlights the firm’s ongoing commitment to professional excellence. Among the honorees are three attorneys named...

Publication

Election Update: The Blue Wave Arrives in Maine

While there are still several unknowns both in Maine and nationally, it is clear that Democrats will remain in control of the Maine State House with increased majorities in both chambers and retained control...

Publication

The $20 plaintiff and the million-dollar defense: a playbook for legal departments, defense counsel

Generative AI that costs $20 a month allows a self-represented plaintiff to file a civil complaint that costs a corporate defendant hundreds of thousands of dollars to defeat. One recent study of non-prisoner federal...

© 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
  • 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