Posts Tagged: Amgen v. Sanofi


The Evolution of Antibody Patents

As the pharmaceutical industry continues to shift toward biologic-based drugs, including monoclonal antibodies, protecting the underlying technology has been and continues to be a priority for companies. …

Patenting Antibodies: Written Description Considerations in Antibody Patents

The Amgen v. Sanofi decision put most functional antibody claims into question, including epitope and competitive binding claims, as well as antibody claims based on a newly …
By Li Feng & Stacy Lewis
6 months ago 2

USPTO to Clarify Guidance on Written Description of Antibodies

The memorandum points to Amgen for stating that the “newly characterized antigen” test could not stand because it contradicted the quid pro quo of the patent system …

When Post-Filing Evidence to Determine Written Description Support Is Admissible: Amgen v. Sanofi

May a court rely on post-priority-date evidence offered to show that a patent lacks written description support even though written description is judged based on the state …

Amgen v. Sanofi: A well characterized antigen insufficient for written description of an antibody

In what appears to be a clear departure from the past, in Amgen, the Federal Circuit has rejected the test, basing its rejection on the ground that …

Did the Federal Circuit doom Amgen’s Enbrel® monopoly?

In the case, Amgen v. Sanofi, the Court vacated an injunction Amgen obtained against a competing drug to its new PCSK9-inhibitor.  The Court’s decision turned …
By Zachary Silbersher
1 year ago 1

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