Philip Oettinger

Partner, Corporate, Wilson Sonsini

Philip Oettinger is a partner in the life sciences practice at Wilson Sonsini Goodrich & Rosati, where he focuses primarily on medical device, biotechnology, pharmaceutical, diagnostic, and digital health companies. His practice involves assisting private and public companies with corporate governance, initial public offerings, mergers and acquisitions, public company reporting, and private equity and debt financings. He routinely works with incubators on structuring matters and balancing their rights with those of the companies they are forming. Philip serves as co-chair of the Finance Committee and the Compensation Committee.

From 1995 until 2000, Philip was with the Securities and Exchange Commission in Washington, D.C., where he inspected stock exchanges, worked on corporate finance matters, led enforcement investigations, and served as special counsel to Commissioner Laura S. Unger.

Alex Key

Partner, Technology Transactions, Wilson Sonsini

Dr. Alexander Key is a partner in the technology transactions practice of Wilson Sonsini Goodrich & Rosati, where he focuses on the representation of biotechnology, pharmaceutical, medical device, digital health, and other life science and technology companies. Alex advises private and public companies, both domestic and international, on a broad range of partnering transactions, including the structuring and negotiation of licenses, collaborations, and procurement arrangements, as well as mergers and acquisitions. He has significant experience in novel therapeutic modalities and technologies, including AI-enabled target and drug discovery and next-generation medical devices. Alex regularly assists nonprofits with transactional and intellectual property matters, including The Buck Institute for Research on Aging, Fogarty Innovation, and Stanford Biodesign.

Alex was named as a “star” by LMG Life Sciences Americas in 2024 and was shortlisted as a finalist for “Licensing and Collaboration Attorney of the Year” in 2025.

Matthew Bresnahan

Partner, Patents and Innovations

Matt Bresnahan is a partner in the San Diego and Los Angeles offices of Wilson Sonsini Goodrich & Rosati, where he has focused his practice for the past fifteen years on establishing and building biotech companies. Matt’s training is in all aspects of intellectual property, including strategic patent counseling, patent prosecution, licensing, and litigation. Matt is primary outside IP counsel to more than 50 life sciences companies within the biotechnology, therapeutic, genomics, and medical device fields in Southern California.

Matt leads a team of more than 30 patent attorneys and patent agents based in the San Diego office. A significant number of Matt’s clients are life science spin-outs from, or collaborators with, the one or more of the major universities, hospitals, and research institutions in Southern California. Matt prosecutes patent applications before the U.S. Patent and Trademark Office (USPTO) and manages and oversees national and international patent portfolios for his clients. Matt has analyzed intellectual property portfolios and performed IP due diligence for venture capital firms and other investors and businesses in a variety of investment environments, including dozens of financings, mergers and acquisitions, and initial public offerings (IPOs). Matt also leads his team in conducting freedom to operate (FTO) analyses, drafting opinion letters of counsel, negotiating and drafting transactional agreements (including university spin-out license agreements), performing IP audits, and formulating and implementing IP strategies for both established and emerging growth companies.  Matt also draws upon his strong patent trial experience, including deep experience in federal courts and at the Patent Trial and Appeal Board at the USPTO, when advising and counseling clients on intellectual property and related business matters on a day-to-day basis. 

Prior to joining the firm in 2007, Matt was an extern to the Honorable Rudi M. Brewster, a patent specialist judge, in the U.S. District Court for the Southern District of California. Matt assisted Judge Brewster with resolving several high-profile and precedent setting patent trials and other intellectual property proceedings, including patent, copyright, and trademark actions.

Brian Appel

Partner, Corporate, Wilson Sonsini

Brian Appel is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he practices corporate and securities law. He advises companies on general corporate matters, including formation and operation, corporate governance, debt and equity financings, mergers and acquisitions, and securities-related matters. He has assisted early-stage companies in numerous capital-raising transactions, including venture capital financings.

Prior to joining the firm, Brian was an associate at Seyfarth Shaw LLP, where he was a member of the corporate practice group and technology transactions team.

Eva Yin

Partner, Regulatory, Wilson Sonsini

Eva Yin, Ph.D., M.P.H., is a partner in Wilson Sonsini Goodrich & Rosati’s FDA regulatory, healthcare, and consumer products practice. Her practice includes conducting FDA and healthcare regulatory due diligence for corporate transactions; providing legal counsel to manufacturers regarding FDA approval/clearance for various products—including medical devices, mobile apps, and drugs, FDA compliance, regulation of promotional materials and labeling, and manufacturer compliance under federal and state healthcare laws, e.g., the federal Anti-Kickback Statute (AKS), False Claims Act (FCA), Sunshine Act, state licensing laws, corporate practice of medicine, etc.; reviewing contracts and compliance policies for manufacturers; and providing legal analysis and risk assessment of business models and fee arrangements involving patient assistance programs, healthcare professionals, or hospitals/clinics under federal and state healthcare laws and regulations.

Eva's prior experience also includes patent counseling and patent prosecution for various life sciences and biotechnology companies, freedom-to-operate analysis, non-infringement and invalidity analyses, and legal research for matters involving proceedings before the Patent Trial and Appeal Board of the U.S. Patent and Trademark Office.

Before joining Wilson Sonsini, Eva worked as an associate in the healthcare group of Sidley Austin LLP in San Francisco, where she advised pharmaceutical and medical device manufacturers on healthcare regulatory compliance, risks under the AKS, risks of off-label marketing, and Medicare coverage and reimbursement matters, as well as represented pharmaceutical and medical device manufacturers in government investigations.