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Is Your Enantiomer Possessed? Patenting of Enantiomers – Does Written Description Require More Than Actual Possession?

It is well established that an enantiomerically pure compound exhibiting advantageous properties not present in its isomer or its corresponding racemic mixture, can be patented even if its corresponding racemic mixtures are...more

Supreme Court Unanimously Affirms Amgen Repatha® Antibody Patents Invalid for Lack of Enablement

On May 19, 2023, the Supreme Court in Amgen v. Sanofi, No. 21-757, unanimously held that the claims of two Amgen patents, both directed to a genus of potentially millions of antibodies, are invalid because the patents failed...more

Federal Circuit Affirms Dismissal of Hatch-Waxman Defendants for Lack of Venue and Failure to State a Claim

On November 5, 2021, the U.S. Court of Appeals for the Federal Circuit in Celgene Corp. v. Mylan Pharmaceuticals Inc., Case No. 21-1154, affirmed a decision from the District Court of New Jersey dismissing a suit brought by...more

In Hatch-Waxman litigation, Federal Circuit restricts venue under the TC Heartland to districts relating to ANDA filings

On November 5, 2020, the United States Court of Appeals for the Federal Circuit, in Valeant Pharmaceuticals N. Am. LLC v. Mylan Pharmaceuticals Inc., No. 19-2402, resolved a split among district courts over what constitutes...more

ANDA Applicant Dismissed for Lack of Venue Under § 1400(b) as District of New Jersey Departs from its own and the District of...

On August 13, 2019, the United States District Court for the District of New Jersey, in Valeant Pharmaceuticals N. Am. LLC v. Mylan Pharmaceuticals Inc., No. 18-cv-14305, held that venue was not proper in New Jersey over...more

Dueling Declaratory Judgment Suits Result in a Dismissal and Boomerang Transfer Back to the First-filed Forum Under TC Heartland

On April 17, 2019, Judge Gilstrap of the United States District Court for the Eastern District of Texas, in Apicore v. Beloteca, No. 19-cv-00077, held that while the court could exercise personal jurisdiction over a generic...more

Federal Circuit Provides Guidance for Stereochemistry Claim Construction

On April 16, 2018 in a precedential opinion, the United States Court of Appeals for the Federal Circuit, Sumitomo Dainippon Pharma v. Emcure Pharms., Nos. 2017-1798, -1799, -1800, affirmed the United States District Court for...more

Supreme Court Declines to Revisit Broad Personal Jurisdiction Over ANDA Filers

On Monday, January 9, 2017, the U.S. Supreme Court denied, without comment, Mylan Pharmaceuticals’ petition for certiorari to reverse an opinion by the Court of Appeals for the Federal Circuit, which affirmed a broad scope of...more

Federal Circuit Hears Argument on Personal Jurisdiction in Two Hatch-Waxman Appeals

On Monday, January 4, the Court of Appeals for the Federal Circuit heard oral argument in two appeals that may determine what effect the Supreme Court’s Daimler AG v. Bauman decision will have on the exercise of personal...more

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