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Standing photo of Litigation attorney Matt Warner

Matthew S. Warner,
Partner
mwarner@preti.com

Augusta, ME 207.623.5300
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  • Biography
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Services

  • Appellate Litigation
  • Cannabis Business
  • Government Affairs
  • Litigation

Admissions

  • Maine
  • U.S. District Court, District of Maine

Education

  • Boston University (B.A., 2006)
  • Columbia University School of Law (J.D., 2011)
    • Harlan Fiske Stone Scholar
  • London School of Economics (LL.M., 2011)
    • Merit

News

September 1, 2023
Matt Warner Named to Cannabis Law Journal Global Top 200 Cannabis Lawyers 2023 More
October 12, 2021
Seventeen Preti Flaherty Attorneys Selected for Inclusion in 2021 Super Lawyers More
October 4, 2021
Law360 Names Matt Warner 2021 Cannabis MVP More
October 13, 2020
Eighteen Preti Flaherty Attorneys Selected for Inclusion in 2020 Super Lawyers More
October 17, 2019
Sixteen Preti Flaherty Attorneys Selected for Inclusion in 2019 Super Lawyers More
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Press Coverage

October 2, 2022
Courts Could Throw State Marijuana Markets into Disarray
Politico
November 5, 2020
Trump Legal Team Pursues Contradictory Strategy
Portland Press Herald
August 18, 2020
Washington Cannabis Company Says Oklahoma Residency Rules Unconstitutional
Law360
June 16, 2020
City's Pot Residency Preference Unconstitutional, Co. Claims
Law360
May 11, 2020
Maine drops residency requirement for recreational marijuana businesses
Portland Press Herald
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  • News & Press Coverage
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Firm Highlights

Publication

Beneficial Use Before Provisional Acceptance in Warehouse Automation Projects

Owners facing peak season, lease commencement, or customer commitments often want to begin live operations on individual aisles, sorter lines, or zones before the system reaches provisional acceptance.  Most warehouse automation contracts, however, tie...

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

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...

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...

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...

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...

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...

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...

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...

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