Experience

Sirius Therapeutics Announces Collaboration With CRISPR Therapeutics

May 19, 2025

Cooley advised Sirius Therapeutics, a clinical-stage biotech company developing innovative small interfering RNA (siRNA) therapies for global markets, on its strategic partnership to develop and commercialize siRNA therapies with CRISPR Therapeutics (Nasdaq: CRSP), a biopharmaceutical company focused on creating transformative gene-based medicines for serious diseases.

Read more

Related contacts

Alan W. Tamarelli
Partner, New York
Jiqiang Lin
Associate, New York
Navya Dasari
Associate, New York
Aaron Pomeroy
Partner, Colorado
Todd Gluth
Partner, San Diego
Rick Jantz
Associate, Santa Monica
Steve Przesmicki
Partner, San Diego
Robert Eisenbach
Of Counsel, San Francisco
Rachel Thorn
Of counsel, New York
David Burns
Special Counsel, Washington, DC
Eileen Marshall
Partner, Washington, DC
Jonathan Rivinus
Partner, Colorado

Related Practices & Industries

Uber Announces $1 Billion Exchangeable Senior Notes Offering

May 15, 2025

Cooley advised Uber Technologies (NYSE: UBER), a technology platform that uses a massive network, top technology, operational excellence and deep product knowledge to power movement from Point A to Point B, on its offering of $1 billion principal amount of 0% exchangeable senior notes due 2028.

Read more

Related contacts

Mischi a Marca
Partner, San Francisco
Jason Savich
Partner, San Francisco
Timothy Nguyen
Special Counsel, San Francisco
Matt Kong
Associate, San Francisco
Carlos Ramirez
Partner, San Diego
Eric Blanchard
Partner, Boston
Siana Lowrey
Of Counsel
David Peinsipp
Partner, San Francisco
Jacob B. Hanna
Associate, San Francisco
Talya Kornitzer
Associate, New York
Eileen Marshall
Partner, Washington, DC
Timothy Shapiro
Partner, Palo Alto
Darren DeStefano
Partner, Reston
Shannon Eagan
Partner in Charge – Palo Alto, Palo Alto
Claire Keast-Butler
Co-Partner in Charge – London, London
Michael Neumeister
Partner, Los Angeles
Ellie Seber
Partner, Santa Monica

Related Practices & Industries

Datadog Acquires Eppo

May 7, 2025

Cooley advised Datadog (Nasdaq: DDOG), a monitoring and security platform for cloud applications, on its acquisition of Eppo, a feature flagging and experimentation platform that will tightly integrate with Datadog’s existing product analytics suite.

Read more

Related contacts

Izzy Lubarsky
Partner, New York
Grigor Lynch
Associate, Colorado
Brittany Sanok
Associate, New York
Eileen Marshall
Partner, Washington, DC
Austin Holt
Partner, Santa Monica
Barbara Mirza
Partner, Santa Monica
Len Jacoby
Partner, New York
Ross Eberly
Partner, Santa Monica
Kristen Mathews
Partner, New York
Megan Browdie
Partner, Washington, DC
Brad Goldberg
Partner, New York
Stella Sarma
Partner, Brussels
Leo Spicer-Phelps
Partner, London
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Stacey A. Bradford
Special Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Dillon Martinson
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Ryan Bowers
Associate, Washington, DC
David Dalton
Associate, Santa Monica
Cristina DeBiase
Associate, Boston
Megan Drill
Associate, San Diego
Joshua Elefant
Associate, Palo Alto
Nathaniel Hearn Jr.
Associate, Chicago
Allison Kutner
Associate, New York
Edward McLaughlin
Associate, New York
Anisha Mohin
Associate, New York
Juan Nascimbene
Associate, London
Liz Paisner
Associate, New York
Shelby Saunders
Associate, New York
Patricia Myers
Paralegal Specialist, Colorado
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

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.

Read more

Related contacts

Bill Roegge
Partner, New York
Kenneth Krisko
Partner, Reston
Simon Amies
Partner, London
Rita Sobral
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
Stella Sarma
Partner, Brussels
Ryan Vann
Partner, Chicago
Natasha Leskovsek
Of Counsel, Washington, DC
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

Related Practices & Industries

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.

Read more

Related contacts

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
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Karun Ahuja
Special Counsel, Chicago
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

Related Practices & Industries

View more

Admissions and credentials

California

District of Columbia

New York

Rankings and accolades

Chambers USA: Tax – District of Columbia (2024)

Legal 500 US: US Taxes: Non-Contentious (2023)

Who’s Who Legal, Corporate Tax: Advisory (2022)

Washington DC Super Lawyers (2012 – 2015)