Carlos Ramirez

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RayzeBio Signs Approximately $4.1 Billion Acquisition Agreement With Bristol Myers Squibb

December 26, 2023

Cooley advised RayzeBio, a clinical-stage radiopharmaceutical therapeutics (RPT) company with an innovation-leading position in actinium-based RPTs and a pipeline of potentially first-in-class and best-in-class drug development programs, on its definitive agreement to be acquired by Bristol Myers Squibb.

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Jamie Leigh
Partner, San Francisco
Ben Beerle
Partner, San Francisco
Rowook Park
Partner, San Diego
Sangitha Palaniappa
Associate, Palo Alto
Caitlin Breitenbruck
Associate, Seattle
Tyler McClure
Associate, San Francisco
Carlos Ramirez
Partner, San Diego
Terren O'Connor
Associate, San Diego
Christine S. Kim
Associate, San Diego
Michelle Hunt
Associate
Marya Postner
Partner, Palo Alto
Carly Robinson
Associate, Reston
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Jennifer Shanley
Special Counsel, New York
Christopher Kimball
Partner, Washington, DC
David Fletcher
Partner, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Dillon Martinson
Special Counsel, Washington, DC
Sarah Oliai
Associate, Washington, DC
Alessandra Murata
Partner, Palo Alto
Tony P. Guan
Associate, Los Angeles Santa Monica
Ross Eberly
Partner, Los Angeles Santa Monica
Eileen Leman
Associate, Los Angeles Downtown
Todd Gluth
Partner, San Diego
Jeffrey J. Tolin
Partner, New York
Howard Morse
Partner, Washington, DC
Megan Browdie
Partner, Washington, DC
Nicollette R. Kirby
Associate, Washington, DC

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RayzeBio Announces Upsized $357.6 Million IPO

September 19, 2023

Cooley advised RayzeBio, a targeted radiopharmaceutical company developing an innovative pipeline against solid tumor targets, on its upsized $357.6 million initial public offering.

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Carlos Ramirez
Partner, San Diego
Charlie Kim
Partner, San Diego
Marya Postner
Partner, Palo Alto
Terren O'Connor
Associate, San Diego
Valerie Sapozhnikova
Associate, Los Angeles Downtown
Jayden Martinez
Associate, Colorado
Michelle Hunt
Associate
Todd Gluth
Partner, San Diego
Tony P. Guan
Associate, Los Angeles Santa Monica
Nathaniel Hearn Jr.
Associate, New York
Daniel Lac
Associate, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Alessandra Murata
Partner, Palo Alto
Kelly Nelle
Paralegal Specialist, San Diego
Rebecca Ross
Special Counsel, Washington, DC
Jennifer Shanley
Special Counsel, New York
Jeffrey J. Tolin
Partner, New York
Francis Wheeler
Partner, Colorado

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TriSalus Life Sciences Completes Merger With MedTech Acquisition Corporation

August 16, 2023

Cooley advised TriSalus Life Sciences, an oncology company with a focus on treatments for patients with liver and pancreatic tumors, on its merger with MedTech Acquisition Corporation.

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Matt Browne
Partner, San Diego
Rama Padmanabhan
Partner, San Diego
Rajdeep Roger Bains
Associate, San Diego
Alexander Gefter
Associate, Los Angeles Santa Monica
Brett Dovman
Associate, San Diego
Jayden Martinez
Associate, Colorado
Pitrina Gilger
Associate, San Diego
Carlos Ramirez
Partner, San Diego
Mischi a Marca
Partner, San Francisco
Matthew S. Scarano
Associate, San Diego
Margaret Barreto
Associate, San Francisco
Jeffrey J. Tolin
Partner, New York
Patrick Sharma
Associate, Los Angeles Santa Monica
Alessandra Murata
Partner, Palo Alto
Ryan Montgomery
Special Counsel, Boston
Sharon Connaughton
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Francis Wheeler
Partner, Colorado
Howard Morse
Partner, Washington, DC
Madison (JJ) Meng
Associate, San Francisco
Sarah Sellers
Partner, New York
Lei Shen
Partner, Chicago
Kristin R. Marshall
Associate, Washington, DC
Vince Sampson
Special Counsel, Washington, DC
Ehijele Olumese
Associate, Los Angeles Downtown
Darren DeStefano
Partner, Reston
Darren DeStefano
Partner, Reston
Jennifer Shanley
Special Counsel, New York
Charity Williams
Partner, San Diego
Grady Chang
Associate, Los Angeles Santa Monica
Ross Eberly
Partner, Los Angeles Santa Monica
Kate Walther
Paralegal Specialist, San Diego

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Morphimmune Announces Merger With Immunome and $125 Million Private Investment

July 5, 2023

Cooley advised Morphimmune, a private biotechnology company, in its definitive merger agreement with Immunome and $125 million private investment.

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Tom Coll
Partner, San Diego
Barbara Borden
Partner, San Diego
Carlos Ramirez
Partner, San Diego
Dylan Kornbluth
Associate, San Diego
Polina A. Demina
Associate, New York
Melissa Meza
Associate, San Diego
Kyrsten Lundh
Associate, San Diego
Daniel Gillon
Associate, San Diego
Nyron J. Persaud
Partner, New York
Todd Gluth
Partner, San Diego
Ross Eberly
Partner, Los Angeles Santa Monica
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Ajay Athavale
Associate, San Francisco
Joe Mandry
Associate, San Diego
Nathaniel Hearn Jr.
Associate, New York
Terren O'Connor
Associate, San Diego
Daniel Lac
Associate, San Diego
Eileen Leman
Associate, Los Angeles Downtown

Related Practices & Industries

Structure Therapeutics – $185.3 Million IPO

February 9, 2023

San Francisco – February 9, 2023 Cooley advised Structure Therapeutics, a clinical-stage global biopharmaceutical company, on its $185.3 million initial public offering, including the full exercise of the underwriters’ option to purchase additional American depositary shares. Lawyers Charlie Kim, Patrick Loofbourrow, Andrew Harline and Su Lian Lu led the Cooley team.

The offering marks the first sizable US life sciences IPO this year. Structure Therapeutics will use the proceeds to develop new oral therapies for the treatment of various diseases, including those impacting the metabolic, cardiovascular and pulmonary systems. Its lead product candidate targets Type 2 diabetes and obesity.

Structure Therapeutics aims to develop and deliver novel oral therapeutics to treat a wide range of chronic diseases with unmet medical needs. Its differentiated technology platform leverages structure-based drug discovery and computational chemistry expertise, enabling it to build a pipeline of product candidates. The company currently focuses on G-protein-coupled receptors as a therapeutic target class.

About Cooley LLP

Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation, where innovation meets the law.

Cooley has nearly 1,400 lawyers across 18 offices in the United States, Asia and Europe, and a total workforce of more than 3,000.

Related contacts

Charlie Kim
Partner, San Diego
Patrick Loofbourrow
Partner, Singapore
Andrew Harline
Partner in Charge – Singapore, Singapore
Su Lian Lu
Special Counsel, Los Angeles Santa Monica
Xander Lee
Partner, Los Angeles Santa Monica
Jie Zhang
Partner, Hong Kong
Phil Mitchell
Partner, New York
Aaron Pomeroy
Partner, Colorado
Carlos Ramirez
Partner, San Diego
Ryan Blair
Partner, San Diego
Joshua Mates
Partner, San Francisco
Mark Ballantyne
Partner, Reston
Nicola Squire
Partner, London
Francis Wheeler
Partner, Colorado
Will Cai
Partner, Hong Kong
Thomas Welk
Senior Counsel, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Dani Nazemian
Special Counsel, San Diego
Randy Sabett
Special Counsel, Washington, DC
Bin Wang
Special Counsel, Palo Alto
Rebecca Ross
Special Counsel, Washington, DC
Lisa Yuan
Special Counsel, Beijing
Jennifer Shanley
Special Counsel, New York
Christine Turner
Associate, Colorado
Vince Flynn
Associate, San Diego
Ivy Wang
Associate, Shanghai
Rick Jantz
Associate, Los Angeles Santa Monica
Yuan Dai
Associate, Shanghai
Cara Buchicchio
Associate, New York
Megan Drill
Associate, San Diego
Daniel Gillon
Associate, San Diego
Dionne A. Thomas
Associate, San Diego
Cristina Ferruolo
Associate, San Diego
Brian Lau
International Legal Project Manager, Hong Kong
Jessica Wade
Paralegal Specialist, San Diego
Kate Walther
Paralegal Specialist, San Diego
Lunga Su
Associate, Shanghai
Christine S. Kim
Associate, San Diego
Andy Zachrich
Associate, San Diego

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Rankings & accolades

Hispanic National Bar Association: Top Lawyers Under 40

Memberships & affiliations

American Bar Association

San Diego County Bar Association

Hispanic National Bar Association