Jeffrey Libson

Partner
Full contact info

I have a passion for trail-guiding life sciences companies and entrepreneurs to help them achieve their goals.

Passions

Coaching entrepreneurs

Serving others

Traveling

Experience

Tourmaline Bio Agrees to Merge With Talaris Therapeutics

June 22, 2023

Cooley advised Tourmaline Bio, a late-stage clinical biotechnology company, on its merger agreement with Talaris Therapeutics, including a concurrent private placement.

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Bill Sorabella
Partner, New York
Brandon W. Fenn
Partner, New York
Matthew D. Silverman
Special Counsel, Santa Monica
Christine Tse
Associate, New York
Katherine Denby
Associate, Washington, DC
Jeffrey Libson
Partner

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Veralox Therapeutics Closes $16.6 Million Series A Financing

August 24, 2021

Cooley advised Veralox Therapeutics on its $16.6 million Series A funding round. Partners Geoffrey Starr and Jeff Libson led the Cooley team advising Veralox, a biotechnology company developing first-in-class small molecule therapeutics that treat the underlying pathologies of diseases with significant unmet medical needs.

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Jeffrey Libson
Partner

Related Practices & Industries

Immunome – $39 Million IPO

October 21, 2020

Cooley advised Immunome on its $39 million initial public offering of 3,250,000 shares of common stock. Immunome, whose securities now trade on the Nasdaq Capital Market under the symbol “IMNM,” is a biopharmaceutical company utilizing a proprietary human memory B cell platform to discover and develop first-in-class antibody therapeutics. Partners Jeffrey Libson and Ryan Sansom led the Cooley team.

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Jeffrey Libson
Partner
Ryan Sansom
Partner, Boston
Brandon W. Fenn
Partner, New York

Related Practices & Industries

Palladio Biosciences Closes $20 Million Series B

September 28, 2020

Cooley advised Palladio Biosciences on its $20 million Series B financing. Partners Jeffrey Libson and Geoff Starr led the Cooley team advising Palladio Biosciences, which is a developer of novel therapeutics designed to offer medicines for orphan drug diseases of the kidney.

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Jeffrey Libson
Partner

Related Practices & Industries

Passage Bio - $216 Million IPO

March 4, 2020

Cooley advised underwriters on Passage Bio’s $216 million initial public offering of 12,000,000 shares of common stock. J.P. Morgan Securities LLC, Goldman Sachs & Co. LLC and Cowen and Company, LLC acted as the joint book-running managers for the offering. Chardan acted as co-manager for the offering. Passage Bio’s securities now trade on the Nasdaq Global Select Market under the symbol “PASG.” Partners Brent Siler. Div Gupta, Jeffrey Libson and Brian Leaf led the Cooley team

Related contacts

Brent Siler
Senior Counsel, Washington, DC
Div Gupta
Partner, New York
Jeffrey Libson
Partner
Brian Leaf
Partner, Reston
Darah Protas
Partner, Washington, DC
Asheley Walker
Associate, Washington, DC
Dennis F. Craig II
Associate, Washington, DC

Related Practices & Industries

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Admissions and credentials

New Jersey

Pennsylvania

New York

Rankings and accolades

Chambers USA: Corporate/M&A – New Jersey (2020 – 2024)

Best Lawyers: Lawyer of the Year for Venture Capital Law - New York (2022)

Best Lawyers: Biotechnology Law and Venture Capital Law

LMG Life Sciences: Life Sciences Star (2012-2016)

Northeastern Pennsylvania Ben Franklin Innovation Awards: Entrepreneurial Advocate Award

Philadelphia Business Journal Life Sciences Awards: Best Consultant to the Life Sciences (2011)

Philadelphia SmartCEO Magazine: Legal Elite (2011)

Super Lawyers: Pennsylvania Super Lawyer (2004-2016)

Memberships and affiliations

The Wharton School of the University of Pennsylvania, Adjunct professor

Sabine Vaccine Institute, Board member

Broad Street Ministry, Board member (Former Board Chair)

Life Sciences Pennsylvania, Former Secretary and Board member

Pennsylvania Life Sciences Institute, Former Board Member

BioStrategy Partners, Former Board Member

Friends' Central School, Former Member, Board of Trustees