News & Analysis as of

Inequitable Conduct

2017 Supreme Court and Precedential Patent Cases From the Federal Circuit, With Some Significant Cases from 2016

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

Sanofi & Regeneron Seek to Assert Inequitable Conduct Defense in Dupilumab Patent Litigation

by Goodwin on

As we previously reported, Immunex sued Sanofi and Regeneron earlier this year in the Central District of California alleging that the sale of Sanofi and Regeneron’s FDA-approved Dupixent® (dupilumab) product would infringe...more

Objective Indicia Were Properly Considered and Did Not Save Cookie Package Patent from Summary Judgment of Obviousness

In Intercontinental Great Brands LLC v. Kellogg North American Co., [2015-2082, 2015-2084] (September 7, 2017), the Federal Circuit affirmed summary judgment that Kraft’s U.S. Patent No. 6,918,532 was invalid for obviousness,...more

Counsel’s Actions Support Inference of Intent to Deceive PTO

by McDermott Will & Emery on

In a decision clarifying the analysis for inequitable conduct, a split panel of the US Court of Appeals for the Federal Circuit affirmed a district court finding of specific intent to deceive the US Patent and Trademark...more

Litigation Misconduct Helps Render a Patent Unenforceable

by Knobbe Martens on

In March 2014, Regeneron Pharmaceuticals, Inc. sued Merus B.V. for allegedly infringing U.S. Patent No. 8,502,018 (“the ’018 Patent"). The ’018 Patent generally relates to using vectors to modify genes and chromosomal loci...more

Failure to Provide Patent Examiner with Copy of PTAB Decision Not Grounds for Inequitable Conduct

In a report and recommendation issued Tuesday, August 15, 2017, a magistrate judge in the Eastern District of Texas stated that failure to provide a patent examiner with a copy of a relevant post-grant review (PGR)...more

Regeneron Pharmaceuticals, Inc. v. Merus N.V.: The Federal Circuit Revisits the Defense of Inequitable Conduct

by BakerHostetler on

In Regeneron Pharmaceuticals, Inc. v. Merus N.V., No. 2016-1346, slip op. (Fed. Cir. July 27, 2017) (hereafter, “Slip Op.”), the Federal Circuit seems to have loosened the standards for finding a patentee culpable of...more

Federal Circuit Finds Regeneron Transgenic Mouse Patent Invalid For Inequitable Conduct With Intent Inferred From Litigation...

by Foley & Lardner LLP on

In a 38 page decision with a 19 page dissent by Judge Newman, the Federal Circuit determined that Regeneron’s transgenic mouse patent is unenforceable due to inequitable conduct. The decision was rendered in Regeneron...more

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

In Regeneron v. Merus, a divided panel affirms a determination of unenforceability for violation of the duty of disclosure. What is interesting about the case is that neither the district court nor the majority reviewed...more

Karma’s a ^$#*! – Sanction for Litigation Misconduct Results in Finding of Intent to Deceive the USPTO

In Regeneron Pharmaceuticals, Inc. v. Merus N.V., [2016-1346] (July 27, 2017), the Federal Circuit affirmed final judgment that U.S. Patent No. 8,502,018 (which related to using large DNA vectors to target and modify...more

Fantastic Beast Sighting in the District of Massachusetts—Motion to Strike Allowed

In PetEdge, Inc. v. Yahee Technologies Corp., PetEdge accused Yahee of infringing U.S. Patent No. 7,621,236 (the “’236 patent”), which is entitled “Folding Pet Ramp and Steps.” PetEdge designs, makes, and sells merchandise...more

Summaries of All Supreme Court and Precedential Federal Circuit Patent Cases Decided Since Jun. 1, 2016

This paper is based on reports on precedential patent cases decided by the Federal Circuit distributed by Peter Heuser on a weekly basis. Please see full publication below for more information....more

Recent Developments In Patent Law May 17, 2017

Update to TC Heartland LLC v. Kraft Foods Group Brands LLC, Case No. 16-341 (May 22, 2017) - In an 8-0 opinion written by Justice Thomas (Justice Gorsuch did not participate), the Supreme Court rules that a defendant...more

UV Curable Coatings: No Exergen, but PTAB Decision Leads to Stricken Inequitable Conduct Defense

In a recent decision in UV Curable Coatings for Optical Fibers, Inv. No. 337-TA-1031, Judge MaryJoan McNamara struck a respondent’s inequitable conduct defense, which the respondent based on the complainants’ conduct during...more

Invention Must Inevitably Result to be Anticipated by Inherency

In U.S. Water Services, Inc., v. Novozymes A/S, [2015-1950, 2015-1967] (December 15, 2016), the Federal Circuit vacated summary judgment of anticipation and affirmed the denial of summary judgment of no inequitable conduct....more

USPTO Again Proposes To Revise Duty Of Disclosure In View Of Therasense

by Foley & Lardner LLP on

More than five years after the Federal Circuit’s en banc decision in Therasense and its first proposed rulemaking under that decision, the USPTO has issued a new proposed rulemaking to adapt its duty of disclosure rule (37...more

Supplemental Examination: Potential Benefits vs. Guaranteed Risks

The America Invents Act of 2011 introduced supplemental examination of patents as a post-grant process intended to limit expensive and unpredictable inequitable conduct litigation and improve patent quality. As codified, 35...more

Newsletter: May 2016

Pleading Common Law Fraud Under Rule 9(b): Conflicting Circuit Court Interpretations - Federal Rule of Civil Procedure 9(b) prescribes the standards for pleading a common law fraud claim. The Rule states that “[i]n...more

Inequitable Conduct Counterclaim Is Dismissed

by Morris James LLP on

Hillman, J. (sitting by designation) Defendant’s motion to dismiss inequitable conduct counterclaim is granted. The counterclaim is dismissed as moot. Oral argument took place on March 29, 2016....more

IP Newsflash - April 2016 #2

DISTRICT COURT - Expert’s Failure to Disclose Certain Materials Relied upon in Forming Opinion Warrants Mistrial - On February 29, 2016, Judge Robert Payne of the Eastern District of Virginia declared a mistrial as...more

Unenforceability Due to Client Failure to Correct Counsel’s Misrepresentations to PTO - The Ohio Willow Wood Company v. Alps...

by McDermott Will & Emery on

In the ongoing saga between two manufacturers of liners for prosthetic limbs, the US Court of Appeals for the Federal Circuit confirmed a finding of inequitable conduct committed by the patent owner while the patent at issue...more

Price Tag for Patent Invalidity Ruling in Inequitable Conduct Case is $26 Million - TransWeb, LLC v. 3M Innovative Properties Co.

by McDermott Will & Emery on

Affirming a ruling of invalidity and an antitrust damages award of trebled attorneys’ fees in a patent abuse case, the US Court of Appeals for the Federal Circuit highlighted the severe penalties that may befall patent owners...more

Federal Circuit Review | March 2016

by Knobbe Martens on

Under O2 Micro, a District Court Must Provide a Claim Construction if the Parties Dispute the Meaning of a Claim Term - In Eon Corp. IP Holdings LLC v. Silver Springs Networks, Inc., Appeal No. 2015-1237, the Federal...more

Federal Circuit Upholds Inequitable Conduct Ruling in Ohio Willow Wood Company

by BakerHostetler on

In the latest iteration of Ohio Willow Wood Company[1] (OWW), the Federal Circuit upheld a district court ruling of inequitable conduct against OWW despite the presence of a litigation screen. The Federal Circuit had affirmed...more

Federal Circuit Backs Finding of Inequitable Conduct in Reexamination of Prosthetics Patent

The Federal Circuit has affirmed a district court’s awarding of attorneys’ fees to Alps South (Alps) based on inequitable conduct by Ohio Willow Wood (OWW) during reexamination of its patent for gel-coated, cushioned socks...more

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