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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

Federal Circuit Reminds Litigants of What Is Needed to Obtain Attorneys’ Fees

Let’s face it, any litigation is expensive and a defendant that finds itself spending money battling claims against it only to have those claims later dismissed by the plaintiff is likely going to want to try to recoup the...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

District Courts Lack Jurisdiction to Review Attacks on Collateral IPR Decisions - Intellectual Property News

In a precedential decision last week, the Federal Circuit held that CBS will not have to pay a $1.3 million infringement award because a podcasting patent was invalidated in an inter partes review (IPR) at the Patent Trial...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

Is Evidence of Copying Enough to Support a Finding of Nonobviousness? - Intellectual Property News

In a precedential decision that was unsealed last week by the Federal Circuit, the Patent Trial and Appeals Board (PTAB) was told that it erred in not considering evidence of copying when rendering its decision on obviousness...more

High Court Says Federal Agencies Cannot Seek AIA Patent Challenges

Earlier this week, the United States Supreme Court reversed the Federal Circuit’s finding that the government is a “person” eligible to petition for post-issuance AIA review proceedings. This 6-3 decision, Return Mail, Inc....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

Evidence of Industry Skepticism Supports Finding of Nonobviousness - Intellectual Property News

In a precedential decision delivered recently, the Federal Circuit shot down arguments from Neptune Generics, LLC, Mylan Laboratories Ltd., and Fresenius Kabi USA, LLC that the Patent Trial and Appeals Board (PTAB) erred in...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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