Posts Tagged: Chief Judge Sharon Prost


Immersion Corp v. HTC Corp: CAFC affirms filing continuation on day parent issues

In large part, the CAFC was concerned with the possible disruption of overturning long-standing PTO practice and the reliance placed on it by practitioners, and this respect …
By John M. Rogitz
11 days ago 0

Federal Circuit gives patent eligibility relief to life sciences sector

The Federal Circuit, with Chief Judge Prost writing for the majority, joined by Judge Moore and Judge Stoll, vacated and remanded the case after ruling that the ‘929 …
By Gene Quinn
23 days ago 31

Patent’s Non-Standard Use of “Fractionation” Limits Scope of the Claims

The Court found that “fractionation” referred only to distillation-based techniques. The specification’s use of the term “fractionation” controlled even if the definition was idiosyncratic. By that …

Federal Circuit Affirms TTAB Refusal to Register ‘CHURRASCOS’

In a May 13, 2016 decision, the Federal Circuit affirmed a Trademark Trial and Appeal Board (TTAB) decision upholding an Examiner’s denial of registration based on a finding …

Federal Circuit Affirms Doctrine of Equivalents Analysis Using Appropriate Hypothetical Claim

The Federal Circuit held that it is not the case that a patent must spell out a claim element’s function, way, and result, for the doctrine …

CAFC: Claim construction is appropriate even where term has a plain and ordinary meaning

Clare sued Chrysler for infringement of two patents on hidden storage boxes for pick-up trucks. Clare argued that the limitations do not need a construction because the …

Federal Circuit Affirms District Court on Finding of Assignor Estoppel

The Court affirmed that B/E could not challenge the validity of MAG’s patents, because of assignor estoppel. In this case, MAG acquired the patents by …

CAFC overturns $18 million verdict because jury improperly left to determine claim scope

Following a five-day trial, the jury found the asserted claims valid and infringed, and awarded Eon $18,800,000. In determining only that the terms should be given their plain …

Voluntary Narrowing of Patents Claims Waives Right to Later Jury Trial on Untried Claims

Nuance originally asserted over 140 claims from eight different patents against defendant ABBYY. The case was quickly referred to a special master for scheduling following Markman. The master …

Restricted Sales Do Not Exhaust Patent Rights Under Supreme Court Rulings

The Federal Circuit took the case en banc to review the applicability of the patent exhaustion doctrine under Mallinckrodt and Jazz Photo, in view of the Supreme …

Printed Matter Doctrine Implicates Matter That Is Claimed for What it Communicates

The Court held that printed matter must be claimed for what it communicates, and it is only afforded patentable weight if the claimed informational content has a …

Patentee must show patentability over prior art from original case to amend in IPR

The Federal Circuit affirmed a patentee’s burden included showing patentability over prior art from the patent’s original prosecution history. Prolitec failed to show that its …

CAFC uses de novo review because claim interpretation based solely on intrinsic evidence

On remand, the Federal Circuit used the de novo standard. Teva’s deferential “clear error” standard did not apply, because the district court did not make any …

CAFC Overturns PTAB IPR Decision for Refusing to Consider Motivation to Combine

On appeal, Ariosa challenged the Board’s refusal to consider the background reference because it was not identified as a piece of prior art “defining a combination …

Jury Instruction On Meaning Of Claim Term Cannot Be Challenged After Agreed To By Parties

According to Limelight, the district court’s construction of “tagging” was limited to using a “pointer” or “hook” to prepend or insert a virtual server hostname into …