William J. O'Sullivan

• Connecticut
• Statewide Grievance Committee, 2009-2018
• Hartford County Bar Association
• Connecticut Bar Association, Chair, Litigation Section, 2017-2019
• United States District Court, Southern District of New York
• United States District Court, District of Connecticut
• United States Court of Appeals, Second Circuit
• United States Supreme Court

• State v. Knybel, 281 Conn. 707 (2007) (criminal law; constitutional law)
• Pettola v. Nissan Motor Acceptance Corp., 44 F.Supp.2d 442 (D.Conn. 1999) (Consumer Leasing Act)
• Ryan v. Sullivan, Hill, Lewin, Rez, Engel and Labazzo, 316 B.R. 101 (D.Conn. 2004) (fraudulent transfer; preference)
• PPG Industries v. Webster Auto Parts, Inc., 128 F.3d 103 (2d Cir. 1997) (wrongful termination of distributorship; implied waiver of arbitration)
• Putnam Park Associates v. Fahnestock & Co., 73 Conn.App. 1 (2002) (commercial lease)
• Kazlon Communications, LLC v. American Golfer, Inc., 82 Conn.App. 593 (2004) (contract; release; offer-of-judgment statute)
• LMK Enterprises, Inc. v. Sun Oil Co., 86 Conn.App. 302 (2004) (contract; eminent domain; franchise law)
• Davis v. Hebert, 105 Conn. App. 736 (2008) (restoration of withdrawn case to docket; mutual mistake)
• Somers v. Chan, 110 Conn. App. 511 (2008) (suit by assignee of judgment; res judicata; supervisory power of court)
• Mitchell v. Redvers, 130 Conn.App. 100 (2011) (constructive trust; Connecticut Marketable Record Title Act)
• Mierzejewski v. Brownell, 152 Conn.App. 69, 97 A.3d 61 (2014) (easement; res judicata)
• Bhinder v. Sun Co., Inc., 246 Conn. 223 (1998) (tort reform; apportionment of liability)
• Bhinder v. Sun Co., Inc., 263 Conn. 358 (2003) (constitutional law; retroactive effect of legislation)
• Robinson v. Coughlin, 266 Conn. 1 (2003) (Uniform Fraudulent Transfer Act)

• Councilman, Rocky Hill, Connecticut, Town Council
• Tenor, St. James Roman Catholic Church Choir
• Past Member, Rocky Hill Economic Development Commission
• Past Member, Rocky Hill Planning and Zoning Commission

• Selected for inclusion in Best Lawyers in America, Commercial Litigation, 2021-present, 2023
• Named a New England “Super Lawyer,” Business Litigation, 2011-present
• Recipient of the Martindale-Hubbell AV Peer Review Rating

• University of Connecticut, B.A., 1982

• Connecticut Bar Journal, "Business Litigation: 2019 in Review," Vol 93, No. 1
• “Beware of Treacherous Pitfalls When Selling Your Business – Remember, Cash is King,” Hartford Business Journal, April 5, 1999
• “Under Connecticut Law, You May Own a Franchise – And Not Realize It,” Hartford Business Journal, July 19, 1999
• “Avoiding Lawsuits by Your Ex-Employer,” Hartford Business Journal, September 20, 1999
• “A Forgotten Asset in Selling a Business: The Valuable Star Employee,” Hartford Business Journal, October 4, 1999
• “Stop the Tape: Recording Phone Calls Can Backfire Disastrously,” Hartford Business Journal, November 15, 1999
• “No, You Can’t Get Legal Fees – and No, You Can’t Get Interest,” Hartford Business Journal, January 10, 2000
• “Beware: When Co-Signing or Guaranteeing a Loan, It’s Easy to Get In, but a Lot Harder to Get Out,” Hartford Business Journal, June 19, 2000
• “Warning to Ex-Employees: Copy, Delete, Get Sued,” Hartford Business Journal, August 7, 2000
• “Read Before You Sign,” Hartford Business Journal, March 25, 2002
• “Buying a Business – Is it a Legitimate Deal or a Scam?”, Hartford Business Journal, September 30, 2002
• “How to Discourage Your Employees From Stealing Your Company,” Hartford Business Journal, February 17, 2003
• “Attorney and Counselor – Make Sure Your Lawyer is Both,” Hartford Business Journal, April 14, 2003
• “Pre-Printed Legal Forms Might Cost You a Little Now and a Lot Later,” Hartford Business Journal, October 16, 2003
• “Starting a Partnership: Should You Share a Lawyer, Or Hire Your Own?”, Hartford Business Journal, January 19, 2004
• “In Recession, Watch for the Bleed,” Hartford Business Journal, May 18, 2009
• “Litigating and Lobbying: To Win, You Might Need Both,” Connecticut Law Tribune, September 8, 2003
• “Litigating Cases on a Budget: Risky and Getting Riskier,” Connecticut Law Tribune, June 30, 2005
• “High Court Nominee Pitched In To End Strike,” Connecticut Law Tribune, June 8, 2009
• “Decision Highlights Risk for Divorce Lawyers,” Connecticut Law Tribune, June 4, 2012
• “Implied Strict Foreclosure Under Article 9 of the Connecticut UCC,” Connecticut Lawyer, February 1998
• “Consideration for Covenants Not to Compete: Is It Enough to Say, ‘You’re Not Fired?’”, Connecticut Lawyer, February 1999
• Cited in C. Tait and E. Prescott, Connecticut Evidence (4th Ed. 2008), section 3.5.2, p. 118, Connecticut Lawyer
• “Proving Fraud: The History and Future of Connecticut’s ‘Clear and Convincing Evidence’ Rule,” Connecticut Lawyer, April 2004
• “Threatening Criminal Prosecution in a Business Tort Case,” Connecticut Lawyer, November 2004
• “Getting Leverage in a Business Tort Case: Hard Bargaining or Blackmail?”, Connecticut Lawyer, August/September 2006
• “Baseball Law 101,” Connecticut Lawyer, April 2007
• “Pleading (and Waiving) the Fifth in a Business Tort Case,” Connecticut Lawyer, March 2009
• “Drafting an LLC Operating Agreement: A Litigator’s Perspective,” Connecticut Lawyer, October/November 2012
• Connecticut Bar Journal, “Business Litigation: 2010 in Review,” Vol. 85, No. 2
• Connecticut Bar Journal, “Business Litigation: 2011 in Review,” Vol. 86, No. 2
• Connecticut Bar Journal, “Business Litigation: 2012 in Review,” Vol. 87, No. 2
• Connecticut Bar Journal, “Business Litigation: 2013 in Review,” Vol. 87, No. 4
• Connecticut Bar Journal, “Business Litigation: 2014 in Review,” Vol. 88, No. 4
• Connecticut Bar Journal, "Business Litigation: 2015 in Review," Vol. 90, No. 2
• Connecticut Bar Journal, "Business Litigation: 2016 in Review," Vol. 90, No. 3
• Connecticut Bar Journal, "Business Litigation: 2017 in Review," Vol 91, No. 3
• Connecticut Bar Journal, "Business Litigation: 2018 in Review," Vol 92, No. 3

“Bill O'Sullivan is a hard-nosed, skilled business litigator.”