Brandon A. Chan
Duane Morris LLP
Articles
Numerical Ranges: More Than Just Endpoints in Patent Process
USA - February 14 2020 On February 11 and 12, 2020, the United States Patent and Trademark Office held a series of webinars covering the interpretation of ranges during the…
Silence Is Not Necessarily Golden for Negative Patent Claim Limitations
USA - July 7 2022 During the prosecution of a patent application before the U.S. Patent and Trademark Office, claim amendments that introduce a negative limitation―the…
Considerations and Implications of the Proposed Temporary Waiver of COVID-19 Vaccine-Related Intellectual Property Rights
USA - May 6 2021 The Biden administration has indicated support for the temporary waiver of patent protections related to COVID-19 vaccine development. In the United…
Patent-Eligible Subject Matter in Biotech Should Recite More Than a "Telescope"
USA - December 8 2020 Much of the debate regarding patent-eligible subject matter in biotechnology involves the natural phenomenon or law of nature judicial exceptions.
Broad Patent Prosecution Bars Risk Effectively Decoupling Complementary Patent Litigation and Prosecution Practices
USA - August 22 2022 Parties in the discovery phase of litigation often exchange confidential documents and information, which may contain proprietary information such as…
