News & Analysis as of

CAFC Patent Invalidity Pharmaceutical Industry

A&O Shearman

Federal Circuit clarifies presumption of obviousness for overlapping ranges

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After the Federal Circuit vacated and remanded the district court’s non-obviousness determination, the district court again found that Teva failed to show, by clear and convincing evidence, that the claims of Janssen’s patent...more

Haug Partners LLP

Federal Circuit Provides Further Guidance on Obvious Type Double Patenting For Patents Sharing Common Priority

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On June 9th, 2025, the Federal Circuit issued a decision in Acadia Pharms. Inc. v. Aurobindo Pharma Ltd., affirming the district court’s grant of summary judgment of no invalidity for obviousness-type double patenting (OTDP)...more

Irwin IP LLP

CAFC Holds Priority Favors True Trailblazers, Not Maze-Like Paths Through a Forest of Prior Applications: Regents of the...

Irwin IP LLP on

The Court of Appeals for the Federal Circuit (“CAFC”) recently upheld a decision of the Patent Trial and Appeal Board (“PTAB”) that found some claims of U.S. Patent 8,815,830 (“the ’830 patent”) unpatentable as anticipated....more

Irwin IP LLP

No Handling Necessary: Industry Demo Was A Public Use: Minerva Surgical, Inc. v. Hologic, Inc., 2023 WL 1999900 (Fed. Cir. Feb....

Irwin IP LLP on

Be careful of showing your claimed inventions at tradeshows.  On February 15, 2023, the Federal Circuit (“CAFC”) affirmed a summary judgment ruling that, by merely showcasing an embodying device at an industry event (the...more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

Troutman Pepper Locke on

In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity. Rather, the invalidity grounds are limited to lack of novelty and obviousness. ...more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision To Invalidate Cialis and Adcirca Patents

Troutman Pepper Locke on

In a recent decision, the Court of Appeals for the Federal Circuit (CAFC) affirmed decisions in two inter-partes review (IPR) proceedings that patents owned by ICOS Corporation directed to tadalafil formulations (used in the...more

Foley & Lardner LLP

En Banc CAFC Requires UCC Sale For On Sale Bar

Foley & Lardner LLP on

In an en banc decision issued in The Medicines Company v. Hospira, Inc., the Federal Circuit determined that in order for a commercial transaction to trigger the on-sale bar of § 35 USC 102(b), it must “bear the general...more

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