Natasha Leskovsek

Of Counsel
Full contact info

I’ve taken my clinical and consulting experience for pharma and biotech companies on regulatory issues and brought them to Cooley’s clients.

Passions

Providing practical compliance solutions at the intersection of science and regulation

Experience

EsoBiotec Announces up to $1 Billion Acquisition by AstraZeneca

March 17, 2025

Cooley advised EsoBiotec, a biotechnology company pioneering in vivo cell therapies that has demonstrated promising early clinical activity, on its definitive agreement to be acquired by AstraZeneca (London Stock Exchange/Nasdaq Stockholm/Nasdaq: AZN) for up to $1 billion on a cash- and debt-free basis.

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Simon Amies
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David Wilson
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Julia R. Brinton
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Andrew Epstein
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Jack Jones
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Dillon Martinson
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Karen Tsai
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Julie Wicklund
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Natasha Leskovsek
Of Counsel, Washington, DC
Kafeel Azher
Associate, London
Sarah Buchik
Associate, New York
Dr. Jessica Cande
Associate, Boston
Mari Dugas
Associate, Washington, DC
Michael Fernando
Associate, London
Athina Gaki
Associate, Brussels
Elaine Huang
Associate, Palo Alto
Mark Jones
Associate, London
Eerik Kukebal
Associate, London
Chris Lynn
Associate, London
Morgan McCormack
Associate, London
Daniel Millard
Associate, London
Lindsey O'Crump
Associate, Washington, DC
Alexandra Paterson
Associate, London
Dr. Robert E. Powers
Associate, Boston
Zhijing Yu
Associate, Singapore
Kevin Gurley
Quantitative Analyst, New York

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Araris Biotech’s up to $1.14 Billion Acquisition by Taiho Pharmaceutical

March 17, 2025

Cooley advised Araris Biotech, a Swiss biotechnology company developing next-generation antibody-drug conjugates, on its definitive agreement to be acquired by Japan-based Taiho Pharmaceutical for up to $1.14 billion in cash.

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Bill Roegge
Partner, New York
Kenneth Krisko
Partner, Reston
Simon Amies
Partner, London
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Special Counsel, London
Stephanie Parker Palmer
Special Counsel, Reston
Michael Bergmann
Partner, Washington, DC
Brandon W. Fenn
Partner, New York
Eileen Marshall
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Dr. Matthew Pavao
Partner, Boston
Stella Sarma
Partner, Brussels
Ryan Vann
Partner, Chicago
Natasha Leskovsek
Of Counsel, Washington, DC
Elizabeth Caruso
Associate, New York
Matthew Choy
Associate, New York
Kyle Hess
Associate, New York
Katie Kaufman
Associate, Boston
Edward (Teddy) Nimetz
Associate, New York
Alexandra Paterson
Associate, London
Joseph Perry
Associate, Reston
Dr. Robert E. Powers
Associate, Boston
María Álvarez Requejo Heredero
Associate, Brussels

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Cooley Advises Special Committee of Checkpoint on Acquisition by Sun Pharma

March 9, 2025

Cooley advised the special committee of Checkpoint Therapeutics’ (Nasdaq: CKPT) board of directors in connection with Checkpoint’s definitive agreement to be acquired by Sun Pharmaceutical Industries (NSE: SUNPHARMA) for up to $416 million in cash and contingent value rights.

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Bill Roegge
Partner, New York
Kevin Cooper
Partner, New York
Marc Recht
Partner, Boston
Wesley Dietrich
Associate, Washington, DC
Katie Benvenuti
Associate, New York
Michael Bergmann
Partner, Washington, DC
Eileen Marshall
Partner, Washington, DC
Alan W. Tamarelli
Partner, New York
Julia R. Brinton
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Kristopher Kleiner
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Rebecca Ross
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Karun Ahuja
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Elizabeth Caruso
Associate, New York
Matthew Choy
Associate, New York
Jameson Davis
Associate, Boston
Kyle Hess
Associate, New York
Allison Kutner
Associate, New York
Breanna Qin
Associate, Palo Alto
Arda Can Tekin
Associate, New York
Ryan Vann
Partner, Chicago

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Chimerix Announces Acquisition by Jazz Pharmaceuticals for $935 Million

March 5, 2025

Cooley advised Chimerix (Nasdaq: CMRX), a biopharmaceutical company with a mission to develop medicines that meaningfully improve and extend the lives of patients facing deadly diseases, on its definitive agreement to be acquired by Jazz Pharmaceuticals (Nasdaq: JAZZ) for $8.55 per share in cash – totaling approximately $935 million.

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Jason Kent
Partner, New York
Kevin Cooper
Partner, New York
Nathan Baum
Special Counsel, New York
Jamie Leigh
Partner, San Francisco
Izzy Lubarsky
Partner, New York
Susan Choy
Associate, New York
Charlotte Yin
Associate, New York
Angela Kim
Associate, New York
Jane Adams
Partner, San Diego
Christophe Beauduin
Partner, New York
Ross Eberly
Partner, Santa Monica
Stella Sarma
Partner, Brussels
Megan Arthur Schilling
Partner, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Juliana Finley
Associate, Santa Monica
Elizabeth Galvin
Associate, Boston
Carly E. Gibbons
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Calvin Lee
Associate, New York
Joseph Perry
Associate, Reston
Greg Reith
Associate, Washington, DC
Freddy Yip
Associate, Hong Kong
Drue Anne Koons
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Nuvation Bio Announces up to $250 Million Nondilutive Financings From Sagard Healthcare Partners

February 18, 2025

Cooley advised Nuvation Bio (NYSE: NUVB), a global biopharmaceutical company tackling some of the greatest unmet needs in oncology, on its nondilutive financings of up to $250 million with Sagard Healthcare Partners.

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Mischi a Marca
Partner, San Francisco
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Partner, Chicago
Shimeng Cheng
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Kenneth Guernsey
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Charles A. Watkins II
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Dr. Jon Cousin
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Christophe Beauduin
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Sonia Nath
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Eileen Marshall
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Francis Wheeler
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Stacey A. Bradford
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Kristopher Kleiner
Special Counsel, Colorado
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Melissa H. Boyd
Associate, San Francisco
Cara Buchicchio
Associate, New York
Jameson Davis
Associate, Boston
Auguste Humphries
Associate, Washington, DC
Rick Jantz
Associate, Santa Monica
Allison Kutner
Associate, New York
Shelby Saunders
Associate, New York
Dr. Jason Valentine
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Jennifer Fitzpatrick
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Yiming Liu
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Food and Drug Law Institute