Hogan Lovells, Gatti Pavesi Bianchi Ludovici (GPBL), Kirkland & Ellis and Akerman advised on Angelini Pharma’s US$4.1 billion acquisition of Catalyst Pharmaceuticals.

Angelini Pharma has agreed to acquire Catalyst Pharmaceuticals (Nasdaq: CPRX) for US$31.50 per share in cash, representing a total equity value of approximately US$4.1 billion.

Following completion of the acquisition, Angelini Pharma intends to integrate Catalyst’s portfolio and commercial infrastructure with its Brain Health platform to develop a next-generation therapeutic platform focused on rare diseases. The transaction is expected to strengthen Angelini Pharma’s presence in the United States while complementing its core European operations.

The transaction has been unanimously approved by the boards of directors of both companies and is expected to close in the third quarter of 2026, subject to customary closing conditions and regulatory approvals.

Hogan Lovells is advising as legal counsel to Angelini Pharma on the transaction.

The team was led by Partners Ferigo Foscari (M&A Milan), Peter Cohen-Millstein (M&A, New York), Andrea Pretti (M&A, Milan), Iacopo Canino (Banking, Milan) and Patrizio Messina (Capital Markets, Milan), Matthew Schernecke (Banking & Loan Finance, New York), together with partners Alice Valder Curran and Melissa Bianchi (both Health, Washington, D.C.), Howard Levine (IP, Washington, D.C.), and Jennifer Swan (IP, Silicon Valley), senior associates Beatrice Bertuzzi (Banking and Loan Finance, Milan) and Jake Shaner (M&A, New York), and associates Stefania Maracich (M&A, Milan) and Nic Runnels (M&A, New York).

Gatti Pavesi Bianchi Ludovici Studio Legale (GPBL) is also advising Angelini Pharma.

Kirkland & Ellis LLP is advising Catalyst Pharmaceuticals on the transaction.

The team included corporate lawyers Graham Robinson, Chadé Severin, Merric Kaufman, Zohra Yaqhubi, Eric Solomine, Amy Tong, Julianne Turner and Mark Sibold; executive compensation lawyers Timothy F. Nelson and Andrea Rosato; employee benefits lawyers Justin Coddington, Caitlin Bradford and Carly Krause; employment & labor lawyers Risa Salins, Jon Link and Kayla Garcia; healthcare transactions lawyers Dennis Williams, Lindsay Borgeson, Cooper Barghols and Isabelle Breier; technology & IP transactions lawyers Shellie Freedman, Rami Sherman and Yeram Choi; antitrust & competition lawyers Liz Kraus, Maria Raptis and Alyssa Hartley; international trade & national security lawyer John Kabealo; litigation lawyers Stefan Atkinson and Alyssa Scruggs; tax lawyers Liam Murphy and Tex Adkins; and debt finance lawyer Andy Veit.

Akerman LLP is also advising Catalyst.