Sean L. Sweeney
About Sean L. Sweeney
Sean L. Sweeney is a lawyer based in Portland, ME and has been recognized in The Best Lawyers in America® since 2016. Sean L. Sweeney is recognized in the following practice areas:
- Portland, Maine
- Litigation - Intellectual Property
- Patent Law
- Trademark Law
Current Firm: Tredecim LLC
Education: University of Maine School of Law, J.D., graduated 2006
Location: Portland, ME
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Ryan Kelley provides legal counsel to public and private companies regarding debt and equity financings, commercial transactions and bankruptcy and creditors’ rights matters. Ryan represents both lenders and borrowers in construction, acquisition, new markets tax credits, term and working capital financing transactions. His transactional experience also includes commercial matters such as the representation of franchisors and franchisees with respect to franchise matters, of manufacture...
Kevin M. Noonan is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Kevin M., who practices law in Topsham, Maine, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. is held by other top lawyers in the same geographic and legal practice area.
Maybe it started with his knack for math, but Kelly has always loved solving problems. And he’s good at it. He is a powerful analytical thinker and revels in solving highly technical challenges. As a lawyer, Kelly puts those skills to work on behalf of his clients to help resolve a wide range of disputes. Kelly’s practice focuses on litigation involving commercial, bankruptcy, boundary and construction issues. He works directly with clients and in-house counsel and has represented...
Jessica Scherb represents individuals and businesses in a wide variety of estate planning and corporate transactions matters. Jessica was recognized as a “Rising Star” by New England Super Lawyers, Estate Planning & Probate, Mergers & Acquisitions each year from 2011 to 2019. In 2020, she authored a chapter in A Practical Guide to Probate in Maine. Drawing on a deep well of professional experience, Jessica regularly speaks on estate planning and trust and estate administra...
With a past as a securities regulator in the New Hampshire Bureau of Securities Regulation, Joel has deep expertise in the federal and state securities laws—and the practical insight it takes to navigate today’s financial markets successfully. Whether you’re an operating company seeking early stage or later round financing, Joel will help you structure capital-raising transactions and prepare disclosure documents that have every “i” dotted and every “t&rdqu...
Amy Tchao is the Leader of the firm’s Municipal Law Practice Group and has over twenty-five years of experience advising municipalities and other public clients on a broad range of municipal issues, including land use permitting and enforcement, zoning compliance (including shoreland zoning matters), ordinance drafting (including zoning/land use ordinances and other ordinances governing short-term rentals, impact fees and other specialty areas), cannabis regulation, elections, freedom o...
Agniezska Dixon is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Municipal Law. Agniezska, who practices law in Portland, Maine, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Agniezska is held by other top lawyers in the same geographic and legal practice area.
Jeffrey Piampiano focuses his practice on bankruptcy matters and debtor/creditor litigation. His wide range of clients include debtors in bankruptcy, creditors (including banks and credit unions), bankruptcy trustees, private sector business clients, municipalities, and other governmental bodies. A recognized leader in financial restructuring and insolvency, Jeff is sought after by clients to provide innovative legal strategies and attain business-minded outcomes. Jeff has served as trustee i...
Dan Rose represents private and public entities and Tribal Nations in all manner of employment and labor matters on a national level, and serves as a mediator on employment matters. His practice is centered on counseling employers on difficult personnel issues and problem-solving intractable employment and organizational matters. Dan trains and presents on employment topics nationally and provides seminars for individual clients. Dan has consistently been recognized by national and regional p...
Christopher P. Stief is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Christopher P., who practices law in Portland, Maine, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher P. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.