News & Analysis as of

Rebuttable Presumptions Means-Plus-Function

Mintz - Intellectual Property Viewpoints

Failing to Adequately Support a Means-Plus-Function Claim Term Renders a Claim Invalid

Claim language is important. Particularly when dealing with software systems, claims may be held invalid as being indefinite when the claim language is characterized as “means-plus-function” under pre-AIA 35 U.S.C. §112 ¶ 6...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (March 1-5): Purely Functional Claiming And Means-Plus-Function Elements

Last week was argument week, and the Federal Circuit previewed its new YouTube channel for streaming live arguments (sadly, audio only for now).  Still, that didn’t slow the Federal Circuit down in issuing opinions, including...more

Manatt, Phelps & Phillips, LLP

Patent Drafting Error? Claim Language Interpreted as Oft-Dreaded Means-Plus-Function Element

On August 28, the Federal Circuit issued its decision in Egenera, Inc. v. Cisco Systems, Inc., offering a timely reminder of the importance of carefully drafting claim language as well as the technical specification that is...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (August 24-28): No Judicial Estoppel from Inventorship About-Face

Last week the summer was winding down and the Federal Circuit was gearing up for its September argument session. But the Court still found time to hand down a number of decisions—17 in total. Below we provide our usual weekly...more

Knobbe Martens

Federal Circuit Review - September 2018

Knobbe Martens on

Federal Circuit Finds Claims Issued from Reexamination Co-Pending with Appeal Ineligible Where the Changes Did Not Affect Section 101 Eligibility - In SAP AMERICA, Inc. v. InvestPic, LLC, Appeal No. 2017-2081, the...more

Jones Day

Even Unrebutted Experts Need To Do More Than Make Conclusory Assertions

Jones Day on

In Diebold Nixdorf, Inc. v. ITC, the Federal Circuit reversed the ITC’s finding of a Section 337 violation based on the ITC’s reliance on unrebutted expert testimony. Diebold, No. 17-2553 (Fed. Cir. Aug. 15, 2018). The case...more

Knobbe Martens

Diebold Nixdorf, Inc. v. ITC

Knobbe Martens on

Federal Circuit Summary - Before Prost, Bryson, and O’Malley. Appeal from the United States International Trade Commission (“ITC”). Summary: Evidence intrinsic to a patent may be sufficient to overcome the presumption...more

Knobbe Martens

Zeroclick, LLC v. Apple Inc.

Knobbe Martens on

Federal Circuit Summaries - Before Reyna, Taranto, and Hughes. Appeal from the Northern District of California. Summary: Failure to use the word “means” creates a rebuttable presumption that the term is not a...more

Miles & Stockbridge P.C.

Means-Plus-Function Claim Interpretation in Patent Claims – Remember the Alamo!

The Battle of the Alamo occurred between February 23 and March 6, 1836. Here, 180 years later, during the anniversary of the Alamo, I found myself in the Eastern District of Texas at a Markman hearing – and it reminded me of...more

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