About
Daina J. Nathanson is an attorney at Drummond Woodsum in Portland, Maine whose practice focuses on business and corporate law, commercial transactions, intellectual property, finance, and real estate. She advises businesses across industries on formation, governance, financing, contracts, mergers and acquisitions, intellectual property, employment and consulting arrangements, and commercial relationships. Her practice areas also include securities, privacy and data security, land use and conservation, and restaurant, hospitality, specialty food, and beverage matters.
Nathanson earned a J.D. from the University of Maine School of Law in 1987 and a B.A., summa cum laude and Phi Beta Kappa, from the University of Maine in Orono in 1984. Her academic background supports a practice that integrates corporate, transactional, and property-law analysis. This background supports Nathanson’s legal analysis and problem solving in business and commercial transactions, including work that requires close attention to detailed facts, governing rules, and practical consequences.
Nathanson’s experience includes business transactions involving entity formation, financing, shareholder matters, manufacturing, distribution, sales, confidentiality, noncompetition, acquisitions, and intellectual property development and licensing. Nathanson also handles real estate purchase, sale, development, asset-based lending, and commercial mortgage matters, and her conservation work has included a large land conveyance along the Appalachian Trail in Maine. Through these matters, Nathanson helps clients assess legal options, manage risk, and move through transactions, disputes, administrative processes, or litigation as the situation requires.
Daina J. Nathanson brings decades of transactional experience to business and real estate matters across multiple industries. Her work connects operating-company needs with financing, intellectual property, property, and growth transactions. In serving businesses and property stakeholders, Nathanson brings practical judgment and subject-matter knowledge to the issues presented. Nathanson helps businesses structure commercial relationships, protect assets, finance operations, and complete strategic transactions with advice grounded in the specific facts and legal framework of each matter.
Law Office Affiliations
- Attorney, Drummond Woodsum
- Member, Maine State Bar Association
- Member, New Hampshire Bar Association
- Member, Business Law and Intellectual Property Sections of the Maine State Bar Association
- Former Member, Continuing Legal Education Committee of the Maine State Bar Association
- Former Member of the Board of Trustees, Breakwater School
- Former Board Member, Boys and Girls Clubs of Southern Maine
- Former Member of the Board of Trustees, National Kidney Foundation of Maine
- Former Member, Maine Medical Center Planned Giving Committee
Licensed State
- Maine
- New Hampshire
Education
- University of Maine School of Law
Juris Doctor (JD) - University of Maine at Orono
Bachelor of Arts (BA) Summa Cum Laude
Awards & Badges


- Banking & Finance
- Business Litigation
- Contracts & Agreements
- Corporate & Incorporation
- Licensing
- Mergers & Acquisitions
- Securities Litigation
- Tax
- Venture Capital
- Trademark
- Commercial Real Estate
- Land Use & Zoning





