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Preliminary Injunction Halts Sales of Tumor-Informed Cancer Screening Test

Late last week in Natera, Inc. v. NeoGenomics Laboratories, Inc. (24-1324), the Federal Circuit affirmed a preliminary injunction ruling from the lower court that mostly prohibits NeoGenomics from selling its oncology test...more

Supreme Court Delivers the Final Blow to Amgen

The questions from the high court during oral argument at the end of March 2023 were fairly telling of the 9-0 ruling that came down yesterday in Amgen, Inc. v. Sanofi (No. 21-757). In fact, it did not come as much of a...more

Another Gaming Patent Struck Down as Ineligible

Bot M8 LLC, a patent assertion entity, was unsuccessful in its effort to have the Federal Circuit reverse the lower court’s invalidity finding related to one of six different patents asserted against Sony in Northern District...more

High Court Leaves the Doctrine of Assignor Estoppel Intact, with Limits

Contrary to some predictions, assignor estoppel did not suffer the same fate in the hands of the Supreme Court as licensee estoppel in Lear v. Adkins. In fact, the doctrine, which essentially boils down to limiting an...more

High Court to Review Whether Assignor Estoppel Prevents Assignor from Filing an IPR or Relying on a Prior Invalidity Decision

Last spring in Hologic, Inc. v. Minerva Surgical, Inc., the Federal Circuit ruled that the doctrine of assignor estoppel does not prevent an assignor from lodging a validity challenge of either patent in an IPR proceeding. In...more

Assignor Estoppel Does Not Prevent Assignor from Filing an IPR or Relying on a Prior Invalidity Decision

Assignor estoppel is “an equitable doctrine that prevents one who has assigned the rights to a patent (or patent application) from later contending that what was assigned is a nullity.” Makes sense, right? After all, an...more

Federal Circuit Affirms PTAB’s Admission of Late Evidence on Public Accessibility of Prior Art - Intellectual Property News

On Thursday of last week in Telefonaktiebolaget LM Ericsson v. TCL Corporation, the Federal Circuit affirmed two Patent Trial and Appeal Board (PTAB) decisions (IPR2015-01584 and IPR2015-01600) finding that a single claim in...more

For the First Time, a Medical Treatment Patent Is Ruled Invalid Under Mayo/Myriad

As discussed in a previous blog post, since Mayo v. Prometheus, critics of medical treatment patents have advocated that such patents should be banned from patenting. While such arguments seemed futile based on the consistent...more

Federal Circuit Refuses to Resuscitate Prostate Cancer Drug Patent - Intellectual Property News

In a precedential decision delivered this week, the Federal Circuit shot down arguments from Appellants BTG International Limited; Janssen Biotech, Inc.; Janssen Oncology, Inc.; and Janssen Research & Development, LLC (BTG),...more

Changes to PTAB’s Claim Construction Standard - Intellectual Property News

On October 10, 2018, the United States Patent and Trademark Office (USPTO) announced that it will issue a final rule changing the claim construction standard for interpreting claims in inter partes review (IPR), post-grant...more

Ericsson Prevails on Appeal in Its Efforts to Invalidate a Frequency Hopping Patent - Intellectual Property News

Appealed PTAB decisions are generally accorded a deferential “substantial evidence” standard by the Federal Circuit. However, this deference did not prevent Ericsson from prevailing in its appeal to the Federal Circuit to...more

PTAB’s Use of Non-Analogous Art Forces Federal Circuit to Partially Reverse Invalidity Finding

On Tuesday, the Federal Circuit partially reversed a decision by the Patent Trial and Appeal Board that invalidated a number of claims in a Smith & Nephew, Inc. patent during inter partes reexamination. While many of Smith &...more

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