David Manspeizer advocates for, and advises clients on, challenging intellectual property (IP) issues and disputes, focusing on the biotechnology and pharmaceutical sectors. Drawing on his seven and a half years as head of IP at Wyeth, where he was responsible for all of the company’s IP matters, David brings a unique understanding of the issues that in-house counsel face, and provides real-world, practical advice to clients and colleagues. David has more than 25 years of experience counseling and representing industry-leading global pharmaceutical and biotechnology companies in complex patent litigation. He leads litigation teams in Hatch-Waxman and other litigation for branded pharmaceutical and biotech companies; counsels clients on due diligence, portfolio reviews, validity and infringement issues, licensing and other transactional matters, including settlements; and provides strategic patent portfolio advice. David is passionate about devising appropriate strategies to define and achieve the client’s business objectives. He has also served as an expert witness on licensing issues in the pharmaceutical and biotech industries and as a technical advisor to the Honorable R. Gilstrap in the US District Court for the Eastern District of Texas.