Michael J. O'Donnell

Michael J. O'Donnell


Bucknell University (B.A., 1980)
Harvard Law School (J.D., 1983)

Bar Admissions


Michael O'Donnell is a partner in the firm’s Palo Alto office, specializing in corporate and securities law. He has more than 30 years of experience providing general corporate representation to biopharmaceutical and other life sciences companies. He offers particular expertise in venture capital financings, public offerings, mergers and acquisitions, strategic alliances, technology licensing, and corporate spin-out transactions. He represents numerous public and private biopharmaceutical, medical device, diagnostic, and instrumentation companies.

Michael was the founding attorney and lead attorney on the initial public offerings for companies such as Illumina, Neurocrine Biosciences, Cytokinetics, Pain Therapeutics, NeurogesX, Sequana Therapeutics, Ciphergen Biosystems, Argonaut Technologies, and Microcide Pharmaceuticals.

He also has extensive experience with negotiating strategic alliances, representing clients in major collaborations with GSK, Amgen, Schering-Plough, J&J, Daiichi, Astellas, and King Pharmaceuticals and most recently with Pfizer, Merck, Baxter, Eisai and Dainippon Sumitomo Pharma Co., Ltd.

Michael was also the lead attorney responsible for negotiating a number of notable biopharmaceutical spin-outs, including Onyx Pharmaceuticals (Chiron-Cetus), Tularik (Genentech), X-Ceptor (Ligand Pharmaceuticals), Metabasis (Gensia Sicor), and as well on the reverse merger of Transcept Pharmaceuticals with Novacea, creating a new publicly traded entity.

Mr. O'Donnell has been recognized as a “Life Sciences Star” by LMG Life Sciences 2016 and as a leading lawyer by Legal 500 US 2016.

MoFo ScaleUp

Email Disclaimer

Unsolicited e-mails and information sent to Morrison & Foerster will not be considered confidential, may be disclosed to others pursuant to our Privacy Policy, may not receive a response, and do not create an attorney-client relationship with Morrison & Foerster. If you are not already a client of Morrison & Foerster, do not include any confidential information in this message. Also, please note that our attorneys do not seek to practice law in any jurisdiction in which they are not properly authorized to do so.

©1996-2019 Morrison & Foerster LLP. All rights reserved.