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 Corporate and M&A attorney John Sullivan

John M. Sullivan,
Director
jsullivan@preti.com

Concord, NH 603.410.1500
vCard
Resume PDF
  • Biography
  • News & Press Coverage
  • Biography
  • News & Press Coverage

Services

  • Affordable Housing
  • Banking and Financial Services
  • Creditors' Rights & Bankruptcy
  • Corporate and M&A
  • International Commerce
  • Mergers & Acquisitions
  • Public Finance
  • Real Estate and Finance
  • Securities

Admissions

  • New Hampshire
  • Maine
  • Massachusetts

Education

  • Bowdoin College (B.A., 1978)
  • Washington and Lee University School of Law (J.D., 1981)

News

August 20, 2026
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” More
August 21, 2025
Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2026, Including 3 “Lawyers of the Year” and 3 “Ones to Watch” More
August 15, 2024
36 Preti Flaherty Attorneys, including 4 “Ones to Watch” Recognized by National Directory More
August 17, 2023
Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2024, Including 1 “Lawyer of the Year” More
August 18, 2022
Preti Flaherty Attorneys Selected by Peers for Inclusion in Best Lawyers in America 2023, Including 3 “Lawyers of the Year” More
View All

Press Coverage

October 10, 2014
Apple Supplier's Mystery Ch. 11 will test secrecy pact
Law360
  • Biography
  • News & Press Coverage

Firm Highlights

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...

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

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