Sean is a partner and founder of the firm, O'Connor, Carnathan and Mack, whofocuses his practice in complex business litigation. He has been litigating since 1993 and hasappeared in state and federal courts all over the country. He has substantial experience with director,officer and shareholder litigation, trust fund litigation and insolvencyrelated litigation. Sean has alsoprosecuted a number of significant claims for unpaid wages and has helpedsecure recoveries for clients which, in the aggregate, exceed $1.3 million. He regularly advises corporate executives intransition regarding their employment contracts and non-competeobligations. Sean is a regularcommentator on legal issues and has published many articles over the years.
Practice areas
Sean practices exclusively in the area of civil litigation and providing related advice. His practice emphasizes business owner and operator disputes, trust fund disputes, and financial industry disputes. His clients range from international companies such as State Street Bank and Trust Co. to small business owners. He regularly advises executives in transition regarding their rights and obligations.
29 years
Languages spoken
English
State | Status | Acquired | Updated |
---|---|---|---|
MA | Active | 1997 | 05/30/2022 |
ME | Active | 1993 | 06/28/2022 |
Legal answers | 0 |
Legal guides | 0 |
Award name | Grantor | Date Granted |
---|---|---|
Litigation -- Trusts and Estates | Best Lawyers in America | 2017 |
Super Lawyer | Thomson Reuters | 2016 |
Litigation -- Trusts and Estates | Best Lawyers in America | 2016 |
Super Lawyer | Thomson Reuters | 2015 |
Super Lawyer | Thomson Reuters | 2014 |
Super Lawyer | Thomson Reuters | 2013 |
Super Lawyer | Thomson Reuters | 2012 |
Super Lawyer | Thomson Reuters | 2011 |
Super Lawyer | Thomson Reuters | 2010 |
Fellow | Litigation Counsel of America, Trial Lawyer Honorary Society | 2010 |
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2010 |
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2009 |
Super Lawyer | Thomson Reuters | 2009 |
Super Lawyer | Thomson Reuters | 2008 |
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2008 |
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2007 |
AV Preeminent 5.0 out of 5 Peer Review Rated | Martindale-Hubbell | 2006 |
Title | Company name | Duration |
---|---|---|
Junior Partner (Associate through 2000) | WILMERHALE | 1998 - 2003 |
Ames Fellow | Harvard Law School | 1997 - 1998 |
Law Clerk to the Hon. Paul L. Rudman | Maine Supreme Judicial Court | 1993 - 1994 |
Association name | Position name | Duration |
---|---|---|
American Bar Association | Editor, Litigation News | 2004 - Present |
Publication name | Title | Date |
---|---|---|
Litigation News (ABA) | Second Circuit Approves Attorney Advertising | 2010 |
Litigation News (ABA) | Pragmatism, but No Compassion in Foreclosure | 2010 |
Litigation News (ABA) | New Rules for Retiring Judges and Firms That Hire Them | 2009 |
Litigation News (ABA) | Delaware High Court Issues Game-Changer on Fiduciary Duty | 2009 |
Litigation News (ABA) | Court Hits Pause in Case Involving Internet Video of Deposition | 2009 |
Litigation News (ABA) | Court Orders Daubert Hearing as Part of Class Certification Analysis | 2008 |
Litigation News (ABA) | Derivative Claims: Not Just for Shareholders Anymore | 2008 |
Litigation News (ABA) | Judges Moved to Poetry and Quoting Billy Madison | 2008 |
Litigation News (ABA) | Corporations Balk at Outside Counsels' Automatic Rate Increases | 2008 |
Litigation News (ABA) | Lawyers Approaching Retirement Age Face Career and Lifestyle Decisions | 2007 |
Litigation News (ABA) | D.C. Bar Adopts Rule of Professional Conduct for Nonlegal Services | 2007 |
Litigation News (ABA) | Criminals Forfeit Retirement Benefits to Victims | 2007 |
Litigation News (ABA) | New Jersey Upholds Privacy Rights in Internet Accounts | 2007 |
Litigation News (ABA) | New Jersey Invalidates Class Action Arbitration Waiver | 2007 |
Litigation News (ABA) | Fee Applications and Block Billing Don't Mix | 2006 |
Litigation News (ABA) | Eleventh Circuit Criticizes Arbitration Award Appeals | 2006 |
Litigation News (ABA) | Rules on Witness Conferences in Depositions Vary | 2006 |
Litigation News (ABA) | Trial Court Win Reversed for Spoilation | 2006 |
Litigation News (ABA) | California Invalidates Contractual Jury Trial Waivers | 2006 |
Litigation News (ABA) | Partner Sanctioned for Associate's Errors | 2005 |
Litigation News (ABA) | New York City Bar Issues Opinion on Dual Representation | 2005 |
Litigation News (ABA) | Large Law Firms Hiring More General Counsel | 2005 |
Litigation News (ABA) | Taped Deposition Not "Reality TV" | 2005 |
Litigation News (ABA) | California Simplifies Jury Instructions | 2005 |
Litigation News (ABA) | Audit Response Deemed Work Product Under California Law | 2005 |
Massachusetts Lawyers Weekly | Just Say No to Hostile Takeovers in Massachusetts | 2003 |
Business Law Today (ABA) | Will the Company Cover an Ex-Officer's Legal Costs? The New World of Sarbanes-Oxley | 2003 |
Business Law Today (ABA) | Discovery in Arbitration? Well, It Depends... | 2001 |
13 Me. Bar J. 316 | Re-Assessing the Trial Court's Opportunity to Assess Credibility | 1998 |
Alabama Law Review | Patent Priority Disputes A Proposed Re-Definition of First-to-Invent | 1998 |
11 Me. Bar J. 244 | Presenting an Attorney's Fee Application in the United States District Court for the District of Maine | 1996 |
9 Me. Bar J. 318 | Hints on Writing Law Court Briefs from Some People Who Read Them | 1994 |
School name | Degree | Graduated |
---|---|---|
Harvard University Law School | LL.M - Master of Laws | 1997 |
University of Maine School of Law | JD - Juris Doctor, summa cum laude | 1993 |
Bowdoin College | A.B., magna cum laude | 1986 |
Conference name | Title | Date |
---|---|---|
Boston Bar Association Committee Brown Bag Lunch | Practical Tips on Policyholder Claims for Insurer Bad Faith | 2017 |
Continuing Legal Education Panel | Remedies in a Close Corporation or Family-Held Business Dispute | 2014 |
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February 24, 2018
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September 9, 2010
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August 26, 2010
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