Thomas E. Dunn has a diverse corporate practice encompassing mergers and acquisitions, private equity, joint ventures, restructurings, corporate governance and securities‑related matters.
Dunn’s clients have included Ashland, Viatris, Stanley Black & Decker, Lindsay Goldberg, Altra, Genpact, Chemed, Corteva, IFF, Radius Global Infrastructure, binderholz Group, Robinhood, Light & Wonder, FactSet, Ripplewood Associates, Hertz, Cox Enterprises, Pentair, Forward Air, Bristol‑Myers Squibb, J.Crew, Barnes & Noble, Gerber Scientific, Terra Industries, Jones Apparel Group, Alcoa and Perry Capital.
Dunn has also represented numerous companies in defending against hedge fund activism. Recent examples include representing Corteva in its agreement with Starboard; Forward Air in its cooperation agreement with Ancora; Ashland in its proxy contest and subsequent settlement agreement with Cruiser Capital and in its response to JANA Partners’ acquisition of approximately 8.4% of its outstanding shares; Barnes & Noble in its successful proxy contest with Ron Burkle and Yucaipa; and Chemed in its successful proxy contest with MMI Investments.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Dealmakers in America | 2026 | M&A, Private Equity |
| The 2025 Lawdragon 500 Leading Dealmakers in America | 2025 | M&A, Private Equity |
| The 2024 Lawdragon 500 Leading Dealmakers in America | 2024 | M&A, Private Equity |
| The 2022 Lawdragon 500 Leading Dealmakers in America | 2022 | M&A, Private Equity |
| Lawdragon 500 Leading Dealmakers in America | 2021 | M&A, Private Equity |
| The 2019 Lawdragon 500 Leading Lawyers in America | 2019 | M&A, Private Equity |
| The 2018 Lawdragon 500 Leading Lawyers in America | 2018 | M&A, Private Equity |
Dunn’s assignments include representing:
- Mylan in its $50 billion combination with Upjohn, a division of Pfizer, to form Viatris; its $9.9 billion acquisition of Meda; its successful takeover defense against Teva’s $40 billion hostile bid; its $35 billion offer to acquire Perrigo; and its $5.6 billion inversion acquisition of Abbott Laboratories’ non‑U.S. developed markets specialty and branded generics business;
- Ashland in the sale of its nutraceuticals business to Turnspire Capital Partners, the $1.65 billion sale of its performance adhesives business to Arkema, its $660 million acquisition of Pharmachem, the tax‑free separation of its Valvoline business, the $1.8 billion sale of Ashland Water Technologies to a fund managed by Clayton, Dubilier & Rice and its $3.2 billion acquisition of International Specialty Products;
- FactSet in its $246.5 million acquisition of LiquidityBook; its acquisition of Irwin; its $1.925 billion acquisition of CUSIP Global Services from S&P Global; its $205.2 million acquisition of BISAM; the $165 million sale of its Market Metrics business to Asset International, a portfolio company of Genstar Capital; and its $265 million acquisition of Portware;
- Corteva in the pending spin-off of its Seed business;
- Iris Financial, a Euronext Amsterdam‑listed SPAC sponsored by Ripplewood, in its combination with Younited;
- Forward Air in its combination with Omni Logistics, creating a $3.7 billion company;
- Associated Partners and its portfolio companies in multiple transactions, including the $860 million combination of its AP Wireless business with Landscape Acquisition, an LSE‑listed SPAC, with the combined company subsequently renamed Radius Global Infrastructure; Radius’s $3 billion take‑private acquisition by EQT Active Core Infrastructure and PSP Investments; Associated’s $409 million sale of PEG Bandwidth to Communications Sales & Leasing; and a $100 million minority investment by KKR & Co. in four of Associated’s wireless infrastructure businesses;
- IFF in the $220 million sale of its Flavor Specialty Ingredients business to Exponent;
- Altra in its $5 billion acquisition by Regal Rexnord, the $325 million sale of its Jacobs Vehicle Systems business to Cummins and its $3 billion combination with four operating companies from Fortive’s Automation and Specialty platform;
- Lindsay Goldberg and its portfolio companies in connection with multiple transactions, including the sale of Pixelle to H.I.G. Capital, Pixelle in its $400 million acquisition of specialty paper mills from Verso and its acquisitions of the carbonless rolls and security papers business from Appvion Operations and the specialty paper business Rollsource from Veritiv, its $360 million acquisition of the Specialty Papers Business Unit of Glatfelter and ECS Federal in its $775 million sale to On Assignment;
- Stanley Black & Decker in its $375 million acquisition of Excel Industries, its $234 million acquisition of a minority stake and $1.6 billion acquisition of the remaining stake in MTD and its acquisition of the Craftsman brand from Sears;
- Robinhood in its initial public offering;
- Scientific Games (now Light & Wonder) in the proposed acquisition of the remaining 19% equity interest in SciPlay at an approximate $1.9 billion valuation;
- binderholz Group in its acquisition of substantially all of the assets of Klausner Lumber One and Klausner Lumber Two through 363 sales;
- Chemed in its $410 million acquisition of Vitas Healthcare and Roto‑Rooter’s $120 million acquisition of HSW’s franchise operations and Western Drain Supply;
- Aptuit in its $300 million sale to Evotec, the $60 million sale of its sterile manufacturing business and solid‑state chemistry business to Albany Molecular Research and the $407 million sale of its CTS business to Catalent;
- the Schulz family in the $178 million sale by DHX Media of a 45% stake in its interest in “Peanuts” to Sony Music Japan, the $345 million sale by Iconix of its entertainment division, including an 80% controlling interest in “Peanuts,” to DHX Media and their $175 million acquisition, in partnership with Iconix, of the “Peanuts” brand and related assets from United Features Syndicate and E.W. Scripps;
- Genpact in a $1 billion investment by Bain Capital;
- Pentair in its $10 billion Reverse Morris Trust combination with Tyco Flow Control;
- Gerber Scientific in its $281 million leveraged buyout by Vector Capital;
- the special committee of the J.Crew board of directors in the $3 billion leveraged buyout by TPG and Leonard Green;
- Terra Industries in its $4.7 billion sale to CF Industries;
- Jones Apparel Group in its acquisition of Stuart Weitzman;
- RHJ International and its portfolio company, Asahi Tec, in connection with the restructuring of Metaldyne and RHJ International in its reorganization from Ripplewood Holdings’ private equity fund in Japan into a public company listed in Belgium;
- Bristol-Myers Squibb in its $2.4 billion acquisition of Medarex, its $4.7 billion bid for ImClone, its $4.1 billion sale of ConvaTec, the $660 million sale of its consumer medicines business and $385 million sale of its adult nutritional business to Novartis, its $7.8 billion acquisition of DuPont Pharmaceuticals, its sale of Matrix Essentials to L’Oreal and its spin-off of Zimmer;
- Alcoa in the $2.7 billion sale of its packaging and consumer business to Rank Group;
- Ripplewood Holdings in the $352 million sale of Supresta to Israel Chemicals, its joint venture investment in AirCell, its €600 million acquisition of Honsel International Technologies from the Carlyle Group and its €230 million acquisition of Akzo Nobel’s phosphorous chemical business;
- Perry Capital, Marathon Asset Management, D.E. Shaw and Tennenbaum Capital Partners in connection with their formation, together with Bear Stearns Merchant Banking, of Doral Holdings, which in turn acquired 90% of Doral Financial Corporation for $610 million;
- Asahi Tec in its acquisition of Metaldyne;
- WPS Resources in its $1.6 billion acquisition of Peoples Energy;
- Renal Care Group in its $4 billion acquisition by Fresenius Medical Care; and
- OfficeMax in its $1.2 billion acquisition by Boise Cascade.
