Ropes & Gray Advises Cosette Pharmaceuticals in Mayne Pharma Acquisition

In The News
February 21, 2025

Ropes & Gray represented Cosette Pharmaceuticals, Inc., in a definitive agreement to acquire all the outstanding shares of Mayne Pharma Group Limited at AUD$7.40 per share for a total consideration of approximately USD$430 million. The transaction was announced in a Feb. 20 press release.  

Cosette Pharmaceuticals, Inc. is a U.S.-based, fully integrated pharmaceutical company with a fast-growing portfolio of products in women’s health and dermatology. 

The deal team included private equity partner Sam Levitt, mergers & acquisitions partner Jackie Cohen, private equity partner David Blittner, finance partner Arek Maczka, litigation & enforcement partners Jackie Grise Lester, Lisa Kaltenbrunner, Jane Willis, Laura Hoey and Brendan Hanifin, tax partners Benjamin Rogers and David Saltzman, employment partner Megan Bisk, executive compensation & employee benefits partner Pascal Mayer, health care partners Deborah Gersh and Margaux Hall, life sciences regulatory & compliance partner Kellie Combs, IP transactions partner Jordan Altman, environmental partner Peter Alpert, real estate partner David Kaye, and European life sciences partner Lincoln Tsang.

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