Orange County Office
Donald Daybell, a senior attorney in Orrick's Orange County
office, is a member of the Intellectual Property Group.
Mr. Daybell's practice is focused on high-stakes patent litigation, with
an emphasis on trials in the US Patent and Trademark Office (PTO).
Mr. Daybell is lead or backup counsel on over 60 Inter Partes Reviews before
the PTO, and has spoken frequently about the America Invents Act and the PTO
trial procedures enacted by this ground-breaking legislation.
Mr. Daybell also has substantial experience in all aspects of
patent litigation. He has managed the day-to-day
activities of complex patent cases, has taken and defended numerous depositions,
has presented witnesses at trial, and has argued matters before various
tribunals, including district courts and the International Trade Commission.
Mr. Daybell has experience in
litigating and prosecuting patents in various technical fields, including
semiconductors, computer software and hardware, databases, financial services,
e-commerce, business methods and medical devices. His experience further
includes preparing requests for ex parte re-examination and prosecuting
re-examination requests with the PTO. His experience also includes providing
counseling and opinions regarding issued patents, and conducting due diligence
reviews of intellectual property.