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About me

William P. Ewing is a partner in the Atlanta office of Barnes & Thornburg LLP, where he is co-chair of the firm’s Renewable Energy Practice Group and a member of the Business Department.

Mr. Ewing represents clients in the energy industry in a wide variety of transactions, including in partnership investments, financings, leasing transactions, acquisitions and sales of energy related assets. He has represented investors in a range of tax credit transactions, including renewable energy, refined coal, synthetic fuel, coke, new markets and affordable housing tax credit transactions.

Mr. Ewing has significant experience with corporate, partnership, international, tax credit and leasing tax issues. His business practice includes mergers, acquisitions and dispositions of business enterprises, spin-offs, complex partnership investments, and structuring for a number of U.S. inbound and outbound transactions. Mr. Ewing also assists businesses in the tax audit and controversy area.


Practice areas


  1. Tax: 60%
    5 years
  2. Energy: 15%
    5 years
  3. Partnership: 10%
    5 years
  4. Corporate: 10%
    5 years
  5. International Law: 5%
    5 years

Attorney endorsements

1 total 

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  • John Lloyd Watkins

    Bill is a great tax lawyer, with substantial experience in the energy area. He has a very practical and down to earth way of approaching complicated business tax issues. He is a a great resource for Barnes & Thornburg in Atlanta.


    John Watkins Insurance Attorney
    Relationship: Co-worker

Contact info

Barnes & Thornburg

3343 Peachtree Road, NE
Suite 1150
Atlanta, GA, 30326


FLMember in Good Standing199206/19/2016
SCGood Standing198907/03/2016
GAActive Member in Good Standing 198907/15/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Legal EliteGeorgia Trend Magazine2010
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2010
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2009
Preeminent 5.0 out of 5Martindale-Hubbell2008
Legal EliteGeorgia Trend Magazine2008
Preeminent 5.0 out of 5Martindale-Hubbell2007
Energy AwardMeridian2006
Work experience
TitleCompany nameDuration
PartnerBarnes & Thornburg2010 - Present
Association namePosition nameDuration
International Fiscal AssociationMember2000 - Present
Atlanta Tax ForumMember1996 - Present
American Bar AssociationMember1992 - Present
Florida BarMember1992 - Present
State Bar of GeorgiaMember1989 - Present
Legal cases
Case nameOutcome
Becker v. Commissioner of Internal Revenue ServiceThe Tax Court ruled that none of the purchase price should be allocated to the noncompete covenant since the language in the contract clearly specified that the entire purchase price was for the stock.
See all legal cases 
Publication nameTitleDate
Journal of TaxationTax Court in Becker Relies on Danielson Rule in Allocating Entire Purchase Price to Stock2007
North American WindpowerIRS Establishes Safe Harbor Tax Guidelines2007
School nameMajorDegreeGraduated
University of Florida, Fredric G. Levin College of LawTaxationLL.M - Master of Laws1992
University of South Carolina School of LawLawJD - Juris Doctor1989
Washington and Lee UniversityAccountingBS - Bachelor of Science1986
Washington and Lee UniversityBusiness AdministrationBS - Bachelor of Science1986
Speaking engagements
Conference nameTitleDate
Southeast Biomass ConferenceTax Incentives for Financing Biomass Power Projects2011
Financing Renewable Energy ProjectsTax Incentives for Financing Renewable Energy Projects2011
UHY Advisors/Home Depot Financial Leaders SeminarNew Tax Developments2010
Indiana Conference on Energy and Environmental Management seminarIs Solar Right for You?2010