Peter H. Gruen


Peter H. Gruen
office New Haven
phone 203-498-4357
view LinkedIn profile


Clients with challenging tax and business transaction concerns seek out Peter because of his seasoned counsel and knowledge in the ever-changing world of tax law. As Chair of the firm's Business and Real Estate Tax Practice Group, Peter has extensive experience in state and federal tax planning and litigation, as well as deep transactional experience in tax issues involving mergers and acquisitions, reorganizations, entity formation, consolidated returns, low-income housing and historic tax credits, and international tax planning for the firm's foreign and domestic clients.

Peter is a sought-after resource on tax law and affordable housing issues, speaking frequently at state and federal tax seminars as well as authoring numerous articles on these subject matters in publications like the ALM Law Journal Newsletter and CBIA News.

He is a member of the Connecticut Bar Association and serves on the Executive Committees of its Tax Section (as Chair of the Property and Conveyance Tax Subcommittee) and International Law and World Peace Section. He is also an active member of the firm's Affordable Housing, Community Development, and Tax Credit Practice Group, where he has represented numerous clients in connection with the acquisition, financing, and development of affordable-housing projects.

Peter is also deeply committed to supporting hunger and affordable-housing issues, both in fundraising and having served on the boards of the Connecticut Food Bank and BH Care Foundation. He received his J.D. from the Boston University School of Law and a B. A. from the University of Connecticut.


  • ABA Forum on Affordable Housing and Community Development
  • Connecticut Bar Association
    • International Law and World Peace Section, Executive Committee
    • Property and Conveyance Tax Subcommittee, Chair
    • Tax Section, Executive Committee
  • Connecticut Housing Coalition


06.11.2018Connecticut Tax Laws Respond to Federal Limitation on State and Local Tax Deduction
12.22.2017President Trump Signs Tax Reform Legislation
08.28.2017New IRS Form 5472 Reporting Requirements for Certain Foreign-Owned Disregarded Entities
04.06.2016Critical Tax Considerations When Structuring a Family Office
10.04.2011IRS Announces Voluntary Worker Classification Settlement Program
05.25.2010Updated: Health Care Reform Legislation Makes Funding Available for Biotech Research
05.18.2010Health Care Reform Legislation Makes Funding Available for Biotech Research
08.14.2009Courts Rule that Active Member of Limited Liability Company Not Subject to Passive Loss Limitations
09.24.2008New Opportunities in Affordable Housing Development: A FAQ on the Housing and Economic Recovery Act of 2008 and the Low–Income Housing Tax Credit Program (LIHTC)

Published Works

05.03.2018Choice of Entity: US Federal Income Tax ImplicationsThe National Law Review
11.20.2007A Look at FIN 48The Corporate Counselor, Volume 22, Number 6, November 2007
ALM Law Journal Newsletters
10.16.2007An Overview of FIN 48 - Accounting for Uncertain Income Tax PositionsLJN's Equipment Leasing Newsletter, Volume 26, Number 8 - September 2007
08.01.2007Your business may be eligible for Connecticut tax creditsCBIA News - July/August 2007
08.24.2006New Rules Regarding the Expensing of Compensatory Stock Options Are Now in EffectTax Newsletter of the Connecticut Bar Association, August 2, 2006
08.19.2003Jobs and Growth Tax Relief Reconciliation Act of 2003Connecticut Bar Association Newsletter, July 2003
05.30.2001Going Retro: The Connecticut Supreme Court Abandons its Judicial Review Power in Andersen ConsultingScheduled to Appear in the June, 2001 Edition of The Connecticut Bar Associations Tax Section Newsletter
11.03.2000Structuring Physician Severance Buy-OutsPresentation Given at the National CPA Health Care Advisors Association (Fall 2000 Conference)
06.01.1999Connecticut Sales and Use TaxesProfessional Educational Systems, Inc. (PESI)
06.01.19971997 Connecticut Sales & Use Tax UpdateProfessional Education Systems, Inc. (PESI)
06.01.1996Connecticut State Tax Issues Update -- Sales and Use TaxesProfessional Education Systems, Inc. (PESI)
06.01.1995Connecticut State Tax Issues Update '95Professional Education Systems, Inc. (PESI)
06.01.1994Sales and Use TaxesProfessional Education Ssytems, Inc. (PESI)
06.01.1992Sales and Use Tax IssuesProfessional Education Systems, Inc. (PESI)
05.03.1991Connecticut Tax Update Connecticut Hospital Association Special Institute


05.02.2018Wiggin and Dana to Publish an Article Series titled "Legal Issues for High-Growth Technology Companies"
04.25.2018Wiggin and Dana Represents Rallybio in Series A Financing
03.02.2018Wiggin and Dana Advises Highway Toll Administration, LLC in Acquisition by Platinum Equity Partners Portfolio Company
06.06.2016Wiggin and Dana Advises Probi AB in Acquisition of Nutraceutix®
06.15.2015Wiggin and Dana Advises Starbreeze AB in Acquisition of Orange Grove Media
04.15.2015Wiggin and Dana Advises Main Life Corporation Ltd. in Sale of Equity Interest of PRC Sino-Foreign Joint Venture
02.10.2015Wiggin and Dana Advises Muscle Maker Franchising, LLC in Sale of Restaurant Franchisor
02.03.2015Wiggin and Dana Advises DMG Media in Acquisition of Elite Daily
11.18.2014Wiggin and Dana Advises Galecto Biotech AB in Option for Bristol-Myers to Acquire Galecto
11.18.2014Wiggin and Dana Advises Wentworth Laboratories, Inc. in Sale of Vertical Probe Card Division
10.28.2014Wiggin and Dana Advises Lesjöfors AB in Acquisition of North American Power Spring Business of Sandvik, Inc.
09.11.2014Wiggin and Dana Advises Starbreeze AB in Acquisition of Geminose, Inc.
06.30.2014Wiggin and Dana Advises HARMAN in Acquisition of Yurbuds
06.27.2014Wiggin and Dana Advises ViskoTeepak U.S. Holdings, Inc. in Acquisition of Vista International Packaging, LLC
06.16.2014Wiggin and Dana Advises SJ Levinson & Sons LLC in Sale to Plia Systems, Inc.
05.07.2014Wiggin and Dana Participates in Walk Against Hunger
09.23.2013Wiggin and Dana Receives Connecticut Food Bank's Top Fundraising Team Award
05.24.2012Wiggin and Dana Participates in Connecticut Food Bank's Walk Against Hunger
06.23.2004Wiggin and Dana assists client UIL in closing $110 million sale of American Payment Systems, Inc.

office New Haven
phone 203-498-4357
view LinkedIn profile



  • Boston University School of Law, J.D., 1979
  • University of Connecticut, B.A., 1976


  • Connecticut
  • Massachusetts (Inactive)

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