Coleen M. Penacho - Portsmouth, NH
Attorney at Sheehan Phinney
Business Litigation Lawyers in Portsmouth, NH
75 Portsmouth Boulevard Suite 110 Portsmouth, NH 03801
Portsmouth Business Litigation Lawyer
Updated: 03/16/2026
Areas of Practice
- Business Litigation
- Data Privacy & Security
- Employee Mobility & Trade Secrets
Litigation: 100%
Attorney Information
Overview
Coleen is a member of the firm’s Cooperate Department. She counsels businesses on data privacy and protection, and compliance with local and international data privacy laws. Coleen provides B2B and B2C clients of all sizes with advice and guidance on privacy obligations, including data processing agreements, privacy policies, and data breaches. She also advises businesses regarding due diligence for mergers and acquisitions. Coleen has handled business litigation cases in state and federal courts and administrative tribunals including employment matters, non-compete claims, trademark and copyright infringement, trade secrets, partnership disputes, and lender liability.
Education
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Legal Education
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Boston College Law School,
Boston,
Massachusetts, 2006
J.D.
Honors: magna cum laude
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Boston College Law School,
Boston,
Massachusetts, 2006
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Non Legal Education
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University of Chicago
M.B.A.
Major: Finance -
Yale University
B.S.
Major: Mathematics
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University of Chicago
Current Employment Position(s)
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Of Counsel
Pro Bono Activities
- Past Board Member, Optima Bank & Trust, Nominating and Governance Committee Chair
- Past Board Chair, Seacoast YMCA
- Past Board Member, Granite YMCA
- New Hampshire DOVE volunteer
- Past Trustee of the Trust Funds, Town of Greenland
- Past Board Member, American Red Cross – New Hampshire Region
Bar Admissions
- New Hampshire
- U.S. District Court District of New Hampshire
- U.S. Court of Appeals 1st Circuit
Other Affiliations
- New Hampshire Bar Association, Corporation, Banking and Business Law Section
Photo
Contact
75 Portsmouth Boulevard
Suite 110
Portsmouth, NH 03801
Phone: 603-945-9922
Fax: 603-627-8121
Email: Send a message
Website: https://www.sheehan.com/
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