About Bill

Bill Clydesdale is a partner and co-chair of the firm’s Mergers and Acquisitions practice group. Bill focuses his practice on corporate transactions, including mergers and acquisitions, joint ventures, corporate financing transactions, and project finance, as well as corporate governance. He has significant experience representing sponsors, developers and OEMs in wind, solar and other renewable energy projects. He also regularly advises acquirers, investors, boards and senior management on corporate matters involving technology, healthcare, consumer products, consulting services, creative services and other industries. In addition to his work in the United States, Bill has represented both U.S. and international clients in numerous cross-border business transactions in Asia, Europe and Canada.

Prior to joining Stoel Rives, Bill was an associate at Baker & McKenzie in New York. He was born and raised in Hong Kong and speaks and reads Chinese.

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Mergers & Acquisitions

  • Acquisition of NaturalPoint, Inc. by Planar Systems, Inc.
  • Sale of Demand Energy Networks Inc. to Enel Green Power North America, Inc.
  • Acquisition of LaunchKey, Inc. by iovation Inc.
  • Acquisitions of Big Visible Solutions, Inc. and Davisbase Consulting LLC by SolutionsIQ, Inc. and sale of SolutionsIQ, Inc. to Accenture.
  • Sale of a majority interest in SET Management, LLC to affiliates of WPP, plc.
  • Sale of BendBroadband to Telephone and Data Systems, Inc.
  • Sale of Nagarro, Inc. to Allgeier Holding AG.
  • Sale of Da Kine Hawaii, Inc. to Billabong International Limited.
  • Sale of ProSight Holding, Inc. to Primavera Systems, Inc.
  • Acquisitions of Guru Worldwide, Inc. and Xperius, Inc. by Unicru, Inc. and sale of Unicru, Inc. to Kronos, Inc.
  • Acquisition of SRC Software, Inc. by Vista Equity Partners and sale of SRC Software, Inc. to Business Objects S.A.
  • Sale of Cascade Semiconductor Corporation to Cypress Semiconductor Corporation.
  • Acquisition of SPS Technologies by Precision Castparts Corp.

Joint Ventures

  • Zimmer Gunsul Frasca Architects LLP joint venture with Cotter Architects Inc.
  • Independent power producer/developer joint venture for ownership and operation of wind-energy facilities in the Pacific Northwest.
  • Joint venture for design, development, production and sale of jet aircraft engine component products to U.S.-based aerospace manufacturer.


  • Capital Dynamics partnership-flip tax equity financing and syndicated construction and term loan facility for an approximately 91 MW portfolio of solar projects in North Carolina.
  • sPower lease pass-through tax equity financing of an approximately 70 MW portfolio of solar projects in Massachusetts and North Carolina.
  • sPower inverted lease tax equity financing of an approximately 26 MW portfolio of solar projects in New York and California.
  • Cambia Health Solutions investments in various emerging health companies, including PokitDok, Retrofit and Wildflower Health.
  • DiabetOmics, Inc. preferred stock financings.
  • Fresco Logic, Inc. preferred stock financings.
  • SpectraWatt, Inc. preferred stock and convertible debt financings.
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Honors & Activities

Professional Honors & Activities

  • Included in The Best Lawyers in America© (currently: Corporate Law, Mergers & Acquisitions Law), 2019-2020
  • Past Chair and Treasurer, Executive Committee, International Law Section, Oregon State Bar
  • Member, American Bar Association
  • Member, Nominating Committee for the Oregon Entrepreneurs Forum's annual Entrepreneurship Awards, 2003-2004 

Civic Activities

  • Member, Board of Trustees, WorldOregon
  • Former Trustee and Governance Chair, The International School, Portland, Oregon
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Insights & Presentations

Insights & Presentations

  • Presenter, “Business Acquisitions and Exits: M&A Tidbits” (co-presenter, Jennifer Tuohy) Stoel Rives’ Rooftop CLE Series, June 28, 2017
  • Panelist, “Tapping International Markets: Key Governance Challenges,” KPMG Fall Audit Committee Roundtable Series, Portland, Oregon, Dec. 3, 2014
  • Presenter, “US Solar Projects and CFIUS – National Security Review of Acquisitions of US Businesses by Foreign Buyers under the Exon-Florio Act,” Chinese-language presentation at SNEC PV Power Conference 2013, Shanghai, China, May 16, 2013
  • Moderator, “Alternative Financing Structures,” US-China Wind Summit, San Francisco, California, Dec. 14, 2011
  • Presenter, “Negotiating the Joint Venture Agreement,” US-China Wind Summit, San Francisco, California, Dec. 13, 2011
  • “Choice of Corporate Structure and Entity,” The Law of Marine and Hydrokinetic Energy: A Guide to Business and Legal Issues, Stoel Rives LLP, 2011 (formerly The Law of Ocean and Tidal Energy)
  • Moderator, “Why Chinese Wind Equipment Manufacturers Should Consider Building a Pilot Project in the United States,” US-China Wind 2010, San Francisco, California, Dec. 8, 2010
  • Presenter, “Wind Project Services in the US: Turbine Supply, EPC and O&M,” Invest in America Workshop – Renewable Energy – Wind Power, Beijing, China, Dec. 6, 2010
  • Presenter, “Renewable Energy Opportunities in Washington State,” Chinese-language presentation at FDI seminar hosted by Washington State China Relations Council and Washington State Department of Commerce for CCPIT officials and other senior business executives, Seattle, Washington, June 30, 2010
  • Panelist, “International Technology Transactions: Challenges and Outcomes,” International Law Weekend-West, Willamette University College of Law, Salem, Oregon, March 7, 2009
  • 2007 Supplement to “Assisting an Extranational Corporation in Oregon,” Advising Oregon Business, Oregon State Bar, 2007
  • Presenter, “Drafting Asset Acquisition Agreements,” Oregon State Bar Corporate Finance Group M&A CLE series, Portland, Oregon, Oct. 14, 2003
  • CCH China Business Law Guide (contributing editor), 1990

Related News & Publications

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