William P. Mills, III

Phone212 504 6436

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AV® Preeminent

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Experience & Credentials Ratings & Reviews

Practice Areas

  • Corporate
  • Corporate Finance
  • Corporate Governance
  • Private Equity
  • Distressed Investing and Mergers & Acquisitions
  • Health Care
  • Mergers & Acquisitions
Contact InfoTelephone: 212 504 6436
Fax: 212 504 6666
University Georgetown University, A.B., cum laude, 1988
Law SchoolFordham University, School of Law, J.D., 1991
Admitted1991, Connecticut; 1992, New York; U.S. District Court, Southern District of New York
Memberships V2N1 Mar 26, 2014


• Cadwalader is a Leading Advisor to Corporations and Financial Institutions Sep 18, 2013


William Mills concentrates his practice in the area of corporate law, with emphasis on mergers and acquisitions, securities law, corporate finance and corporate governance. Bill represents clients in a wide range of complex transactions, including mergers, acquisitions, divestitures, public and private securities offerings, proxy contests, spin-offs, restructurings, leveraged buyouts, tender offers, exchange offers, and joint ventures. He also represents investment banks as financial advisers on M&A and other transactions. Bill advises listed public companies in the areas of corporate governance, crisis management, executive compensation, contractual negotiations, and general regulatory compliance.

He received his A.B., cum laude, from Georgetown University and his J.D. from Fordham Law School where he was Notes and Comments Editor of the International Law Journal.


•Salix Pharmaceuticals, Ltd. in its $15.6 billion acquisition by Valeant Pharmaceuticals International, Inc.
•Forbes Media LLC on its pending sale of a majority stake to a group of international investors as part of the Company's global growth strategy.
•Towers Watson's acquisition of Extend Health
•AngioDynamics' acquisitions of Navilyst Medical, Microsulis Medical, Vortex Medical and Clinical Data
•elan Corporation's $3.25 billion sale of Tysabri rights to Biogen Idec
•U.S. Treasury's $250 billion TARP Capital Purchase Program
•Pfizer Inc.'s sale of its Capsugel business to KKR
•DPL Inc.'s merger with AES Corp.
•Pfizer Inc.'s acquisition of King Pharmaceuticals
•Bear Stearns Companies Inc. acquisition by JPMorgan Chase
•Pfizer Inc.'s acquisition of Wyeth
•Trian Fund Management in the sale of Wendy's International to Triarc Companies
•Pfizer Inc.'s $16 billion sale of its consumer health care division to Johnson & Johnson
•Xstrata Plc's sale of its Noranda aluminum division to Apollo Management
•Trian Partners' successful proxy contest with H.J. Heinz Company
•StorageTek's merger with Sun Microsystems
•Pfizer Inc.'s acquisitions of Vicuron Pharmaceuticals and Embrex Inc.
•Celanese's sale of its polyvinyl alcohol business to Sekisui Chemical
•RGIS Holdings' sale to the Blackstone Group
•Republic Bancorp Inc.'s merger with Citizens Banking Corporation
•Pfizer Inc.'s acquisition of Warner-Lambert
•U S WEST's merger with Qwest Communications
•MediaOne's merger with AT&T
•Dayton Power & Light's $850 million sale of its private equity portfolio
•Six Flags Inc.'s joint venture to acquire Dick Clark Productions Inc.
•Credit Suisse's acquisitions of Select Portfolio Servicing and Lime Financial
•Del Laboratories' sale to Kelso & Company
•Dianon Systems' sale to Laboratory Corporation of America
•Bear Stearns' acquisition of United Companies Financial Corp.
•Toys R Us, Inc.'s joint venture with Softbank Capital Partners
•Bally Total Fitness' acquisition of Crunch Fitness International
•Dianon Systems' acquisition of UroCor, Inc.
•Moore Medical Corp.'s acquisition by McKesson Corporation
•Six Flags Inc.'s sale of theme parks to Parc 7F- Operations and CNL Income Properties
•ShopRite Supermarkets' acquisition of Big V Supermarkets
•Toysrus.com's joint venture with Amazon.com

As counsel to financial advisors:

•Dell Inc.'s $24 billion going private transaction with Michael Dell and Silver Lake Partners
•Par Pharmaceutical's $1.9 billion sale to TPG
•Cytec's sale of its coating resins business to Advent International
•CVS's $27 billion merger with Caremark
•Cedar Fair's acquisition of Paramount Parks
•The Walt Disney Company's acquisition of Pixar
•Sotheby's Holdings Inc.'s recapitalization transaction with A. Alfred Taubman
•Google Inc.'s investment and strategic alliance with America Online, Inc.
•Harrahs Entertainment's acquisition of Rio Hotel & Casino, Inc.
•Symbion's acquisition by Crestview Partners
•Carreker's acquisition by Checkfree Corporation
•Shire plc's acquisition of New River Pharmaceuticals
•Primedex Health Systems merger with Radiologix, Inc.
•ADVO Inc.'s merger with Valassis Communications
•Caxton-Iseman Capital, Inc.'s acquisition of Valley National Gases Incorporated
•St. Jude Medical, Inc.'s acquisition of Advanced Neuromodulation Systems, Inc.

Securities offerings by:

•Pfizer Inc.
•elan Corporation
•The Bear Stearns Companies Inc.
•The Dayton Power & Light Company
•Northwest Airline Corporation
•Cosi, Inc.
•Scientific Games Corporation

News & Resources


News Releases
•Cadwalader Recognized by The Legal 500 US 2015 Among Nation's Top Firms Jun 03, 2015

Recent Press
•Cadwalader, Simpson Thacher, White & Case on $2.38B KKR-Pfizer Deal Apr 04, 2011

•Cadwalader Recognized by The Legal 500 US 2015 Among Nation's Top Firms Jun 03, 2015


Clients & Friends Memos
•M&A Update: IRS Mulls Change to Spinoff Rules May 27, 2015

•Financial Advisor Conflicts of Interest Jun 05, 2014


Quorum: February 2015 V3N1 Feb 11, 2015


Documents by this lawyer on Martindale.com

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IRS Mulls Change to Spinoff Rules
William P. Mills,Richard M. Nugent,Linda Z. Swartz, June 10, 2015
In a statement that would mark a stark change in approach, an IRS official recently indicated that the IRS may begin requiring that companies seeking to effect tax-free spinoffs conduct active businesses that represent a minimum percentage of the companies’ assets. The official noted that the...

M&A Update: Delaware Supreme Court Issues Important Ruling Protecting Independent Directors
William P. Mills,Brittany Schulman,Martin L. Seidel, May 25, 2015
On May 14, 2015, the Delaware Supreme Court ruled that claims against independent directors must be dismissed when a company charter provision shields directors from monetary liability for breach of the duty of care and the plaintiffs are unable to plead facts establishing that the directors...

M&A Update: Market Pressures, Favorable Law Spur REIT Conversions and Spinoffs
William P. Mills,Richard M. Nugent, March 26, 2015
Urged on by activists and institutional shareholders, a large number of companies with real estate holdings pursued real estate investment trust (REIT) conversions or spinoffs in 2014. At least half a dozen companies completed REIT transactions last year, including cell tower company Crown Castle...

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Office Information

William P. Mills, III

New YorkNY 10281-0006


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