William Zimmerman

IP Transactions, Agreements & Venture Capital

Litigation

Patent Strategy & Prosecution

Having served as lead counsel in over 100 pharmaceutical litigations, including cases involving “blockbuster” drugs like Lipitor and Nexium, William R. Zimmerman is widely recognized as one of the nation’s premier life science litigators. As co-chair of both the firm’s Hatch-Waxman and Life Sciences Practice Groups, Bill oversees a diverse team of attorneys who have collectively litigated over 200 complex cases involving pharmaceutical products.

Recognized as the “Hatch-Waxman Litigator of the Year,” Bill Zimmerman is well-versed in the Abbreviated New Drug Application process and the complexities Hatch-Waxman litigation. He has been widely acknowledged for his expertise in pharmaceutical matters, being repeatedly named one of “The World’s Leading Patent Professionals” by IAM, a “Life Science Star” by LMG, an “IP Star” by Managing IP, and a “Washington D.C. Super Lawyer” by Super Lawyer’s Magazine. He was previously named one of the top fifty intellectual property lawyers under the age of forty by IP Law & Business magazine.

Bill is the founding managing partner of the firm’s Washington, D.C. office. Before joining the firm, he served as a law clerk to the Honorable Alvin A. Schall, Circuit Judge of the United States Court of Appeals for the Federal Circuit.

American Intellectual Property Law Association (AIPLA)

Federal Circuit Bar Association

American Bar Association (ABA)

Federal Circuit Historical Society (Treasurer; Executive Board)