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Associate - David O. Bigger

David O. Bigger


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David Bigger is a member of the Tax and Employee Benefits Practice Group and practices primarily in the areas of international, federal, state and local taxation, with particular emphasis on personal income tax, mergers and acquisitions, and matters involving the taxation of partnerships.  David has represented individuals and companies with regard to multi-state taxation issues, tax planning, reorganizations, enforcement and collection defense, and other federal and state tax controversies.

As a member of the firm’s Opportunity Zones team, David advises clients on various aspects of the Qualified Opportunity Zones program.

Prior to joining Shipman & Goodwin, David interned with several law practices on the West Coast focusing on tax and business law.  David also interned in the legal department of the Rocky Mountain Elk Foundation, a large nonprofit land trust.


  • Listed as a Connecticut Super Lawyer Rising Star®: Tax (2018-2019)
  • Montana Law Review, Articles Editor
  • National Moot Court Team, Northwest Regional Best Oral Advocate
  • Order of the Barristers

Professional Affiliations

  • American Bar Association
  • Connecticut Bar Association: Tax Section, Executive Committee (2017-2019)
  • Hartford County Bar Association


July 11, 2019  CLE Event: CLE Webinar: Annual Connecticut Tax Update 2019
June 11, 2019  Connecticut Tax Conference
May 30, 2019  Webinar: New Qualified Opportunity Zone Regulations
May 9, 2019  CLE Event: CLE Webinar: Cross-Border Real Estate Investment in the United States
March 21, 2019  The New Opportunity Zones Program: What Attorneys Need to Know
December 19, 2018  CLE Event: Webinar: The New Opportunity Zones Program: What Businesses and Investors Need to Know
November 28, 2018  CLE Event: 2018 Year End Tax Seminar
October 9, 2018  Webinar: Relocation Roadmap - A Guide to Avoiding Tax Traps When Changing Residency
August 17, 2018  Recent Changes in the Taxation of Partnerships and Choice of Entity
July 24, 2018  Navigating the New Pass-Through Entity Tax
July 17, 2018  CLE Event: Webinar: Annual Connecticut Tax Update: 2018
June 12, 2018  CLE Event: Webinar: Connecticut's Response to Federal Tax Reform Legislation
June 8, 2018  Connecticut Tax Conference 2018
March 15, 2018  CLE Event: Webinar: An Overview of the Significant Provisions of the Tax Cuts and Jobs Act PART 3: Impact of the 2017 Act on Businesses/Corporations, Including International Tax Law Changes
March 6, 2018  CLE Event: Webinar: An Overview of the Significant Provisions of the Tax Cuts and Jobs Act PART 1: A Review of the New Pass-through Deduction and the Impact that the 2017 Act has on Choice of Entity
January 30, 2018  Primer on Connecticut State Taxes
December 11, 2017  CLE Event: Webinar: 2017 Connecticut Tax Update
September 19, 2017  CLE Event: Webinar: Overview of the New IRS Partnership Audit Rules - What You Need to Know
June 28, 2017  Connecticut Tax Conference 2017
June 10, 2016   Connecticut Tax Conference 2016

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Practice Areas


  • New York University School of Law, LL.M., (in Taxation), 2013
  • University of Montana School of Law, J.D., 2012, with high honors
  • Utah State University, M.A. 2008
  • Brigham Young University, 2005

Bar Admissions

  • Connecticut
  • Montana

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