Posts Tagged: "Repatha"

Federal Circuit Says Amgen’s Repatha® Patent Claims Require ‘Undue Experimentation’ to Practice

The U.S. Court of Appeals for the Federal Circuit (CAFC) on Thursday upheld the District of Delaware’s grant of judgment as a matter of law (JMOL) that Amgen’s patent claims covering its Repatha cholesterol treatment were invalid for lack of enablement. The court found that Amgen’s composition claims were defined by meeting functional limitations, rather than by structure, and that the patent specifications didn’t enable the preparation of the full scope of the claims without undue experimentation. Judge Lourie authored the opinion.  Amgen v. Sanofi (CAFC, Feb. 11, 2020)

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 of the art as of the priority date?  Yes, at least when the evidence relates to whether or not a claimed genus discloses a representative number of species.  Amgen v. Sanofi No. 2017-1480 slip op. Fed. Cir. Oct. 5, 2017 (“Amgen”).   Such evidence, the Federal Circuit observed, is likely to postdate the priority date, because were it to predate, it might be anticipatory.  To consider such evidence is therefore a matter of “common-sense,” the Court added.

Amgen v. Regeneron: Will the permanent injunction against Regeneron’s new PCSK9-inhibitor hold up on appeal?

On January 5, 2017, the District of Delaware issued its long-awaited decision in the patent dispute pending between Amgen and Regeneron wherein the Court granted Amgen’s request for a permanent injunction against Regeneron’s new PCSK9-inhibitor cholesterol drug. Both Amgen and Regeneron each independently spent billions of dollars over the past decade-plus developing a new class of cholesterol drug. The drug itself comprises an antibody that binds to PCSK9 proteins… Whereas Regeneron managed to be the first to market, Amgen succeeded in getting to the Patent Office first. Amgen originally sued Regeneron, along with Sanofi, its European partner, in October 2014. Amgen asserted three patents directed to antibodies that bind to PCSK9. Over the next month, Amgen commenced additional lawsuits as new patents issued from the Patent Office. The cases were eventually consolidated, but Amgen eventually went to trial against Regeneron on only two of the originally asserted patents.