ProfessionalsKatharine R. Haigh

Tel: +1-212-373-3607
Fax: +1-212-492-0607
khaigh@paulweiss.com
1285 Avenue of the Americas
New York,
NY
10019-6064
Fax: +1-212-492-0607
Katharine R. Haigh is a partner in the Litigation Department and a member of the Antitrust Practice Group. She specializes in antitrust aspects of complex mergers and acquisitions, both within the United States and internationally, and regularly counsels clients before the U.S. Department of Justice, Federal Trade Commission, and global competition authorities. Katharine has extensive experience working on in-depth and contentious merger reviews across a broad range of industries, jurisdictions, and issues. Her expertise spans the transaction lifecycle, from assessing potential antitrust risk and negotiating appropriate deal protection terms, to navigating the merger clearance process, and litigating against a government challenge. Katharine also regularly counsels clients on antitrust compliance and a wide range of other antitrust issues.
Prior to joining Paul, Weiss, Katharine practiced antitrust law in the New York office of another major law firm, and previously practiced in both London and Brussels.
EXPERIENCE
Katharine has advised on over 100 transactions totaling more than $200 billion in value. Recent representative transactions include:
Financial Services and FinTech
- AIG in its $3 billion sale of its reinsurance business to Renaissance Re.
- Block in its $29 billion acquisition of Afterpay.
- Global Payments in its $21.5 billion merger with TSYS, its $4 billion acquisition of EVO Payments, its $925 million acquisition of Zego, and in the sale of its gaming business and Netspend consumer businesses.
- Invesco in its $5.7 billion acquisition of OppenheimerFunds, Inc. and its $2.1 billion acquisition of Guggenheim Investments’ ETF business.
- JPMorgan in various transactions.
Technology
- IBM in its $6.4 billion acquisition of HashiCorp and its proposed acquisition of DataStax.
- Secureworks in its $859 million acquisition by Sophos.
- Salesforce in its $15.7 billion acquisition of Tableau and its $29 billion acquisition of Slack.
- Uber in its $2.65 billion acquisition of Postmates and in the $4 billion sale of its Autonomous Technologies Group.
- Zendesk in its $10.2 billion acquisition by an investor group led by Permira and Hellman & Friedman.
- RealPage in its $10 billion acquisition by Thoma Bravo.
- Convergys in its $2.8 billion acquisition by SYNNEX.
Life Sciences
- Varian Medical in its $16.4 billion acquisition by Siemens Heathineers.
- Cantel Medical in its acquisition of Hu-Friedy and its $4.6 billion acquisition by STERIS.
- Auris Health in its $5 billion acquisition by Johnson & Johnson.
Communications, Entertainment, and Consumer
- Capri Holdings in its $2.1 billion acquisition of Versace and in its proposed $8.5 billion sale to Tapestry.
- TEGNA in its proposed $8.6 billion acquisition by Standard General.
- PENN Entertainment in its $2.8 billion acquisition of Pinnacle Entertainment, Inc., its $2 billion acquisition of Score Media & Gaming, and its acquisition of Barstool Sports.
- Colgate-Palmolive in its €1.5 billion acquisition of Laboratoires Filorga Cosmétiques, its acquisition of Hello Products, and various other transactions.
Energy
- Marathon Petroleum in its $21 billion sale of its Speedway business to 7-Eleven.
- Spectra Energy in its $37 billion acquisition by Enbridge.
- Energy Transfer in its proposed acquisition of $33 billion acquisition of The Williams Cos.
Industrial and Manufacturing
- CMC Materials in its $6.5 billion acquisition by Entegris.
- Entegris in its proposed $9 billion combination with Versum and the proposed sale of its Pipeline and Industrial Materials business to Infineum.
- National Instruments in its $8.2 billion acquisition by Emerson.
- Hubbell in its $1.1 billion acquisition of Systems Control and various other transactions.
- Chemours in various transactions.
- Vulcan Materials in its $1.29 billion acquisition of U.S. Concrete and various other transactions.
- TransDigm in its $4 billion acquisition of Esterline Technologies, Inc. and its $920 million sale of Souriau-Sunbank Connection Technologies to Eaton.