News & Analysis as of

Patent Litigation United States Patent and Trademark Office Inequitable Conduct

Baker Botts L.L.P.

Avoiding Demurrer: Properly Pleading Inequitable Conduct

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Properly pleading inequitable conduct claims is a challenge, a challenge that can be met with early due diligence and attention to detail in your pleading....more

Bradley Arant Boult Cummings LLP

Make Sure You Behave and Keep Those Hands Clean: How Deceit and Bad Table Manners Can Bite

Last week in Luv n’ Care, Ltd. v. Laurain, the Federal Circuit put the lower court in time out and probably made Eazy-PZ, LLC (EZPZ) cry just a little bit harder. In this precedential decision involving U.S. Patent No....more

McDermott Will & Emery

I Hear Ya – No Intent to Deceive, No Inequitable Conduct

The US Court of Appeals for the Federal Circuit affirmed a district court’s finding that the asserted patents were not unenforceable for inequitable conduct, determining that statements made by counsel to the US Patent &...more

Cozen O'Connor

Post-Abandonment Practice and Avoiding Inequitable Conduct

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Patent prosecution costs can weigh heavily on cash-strapped clients, who may still face USPTO rejections after spending significant money. Unfortunately (and often), cash-strapped clients are not responsive. And to be fair,...more

Kilpatrick

4 Key Takeaways | Updates in Standard Essential Patent Licensing and Litigation

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Kilpatrick’s Alton Absher and Andie Anderson recently presented “Updates in Standard Essential Patent Licensing and Litigation” at the firm’s annual 2024 Advanced Patent Law Seminar. This full-day seminar featured discussions...more

McDermott Will & Emery

Neither Narrow Proposed Claim Construction nor Work Product Claim Justify Withholding Material Factual Information

The Patent Trial & Appeal Board of the US Patent & Trademark Office (PTO) canceled all challenged claims across five patents because the patent owner failed to meet its duty of candor by selectively and improperly withholding...more

Weintraub Tobin

Attorney Fees Denied Due to Lack of Support in Cannabis Litigation Record

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In 2018, United Cannabis Corporation (“UCANN”) sued Pure Hemp Collective (“Pure Hemp”) for infringement of U.S. Patent No. 9,730,911 (the “‘911 patent”), entitled “Cannabis Extracts and Methods of Preparing and Using the...more

Knobbe Martens

Enforcing a Patent Known to be Invalid Can Trigger Attorneys’ Fees

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ENERGY HEATING, LLC v. HEAT ON-THE-FLY, LLC - Before Moore, Prost, and Stoll.  Appeal from the U.S. District Court for the District of North Dakota. Summary: Enforcing a patent with knowledge that it is invalid can...more

Knobbe Martens

Federal Circuit Review - September 2021

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Arguments to the Patent Office That Contradict Information Submitted to the FDA Support an Inference of Deceptive Intent In Belcher Pharmaceuticals v. Hospira, Inc., Appeal No. 20-1799, the Federal Circuit held that a...more

Buckingham, Doolittle & Burroughs, LLC

Belcher Patent Unenforceable for Inequitable Conduct

Inequitable conduct is an affirmative defense to patent infringement, but the bar for proving it is a high one. A defendant must prove by clear and convincing evidence that the patentee intentionally deceived the Patent...more

McDermott Will & Emery

Material Information Submitted to FDA but Withheld from PTO Gives Rise to Inequitable Conduct

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The US Court of Appeals for the Federal Circuit found prior art submitted to the US Food and Drug Administration (FDA), yet withheld from the US Patent & Trademark Office (PTO) during prosecution of an asserted patent,...more

Haug Partners LLP

Belcher Pharmaceuticals’ Patent Held Unenforceable by the Federal Circuit

Haug Partners LLP on

The Federal Circuit published a precedential decision on September 1, 2021 regarding the unenforceability of a pharmaceutical patent due to inequitable conduct. In Belcher Pharmaceuticals LLC v. Hospira, Inc., the Court...more

Morrison & Foerster LLP - Federal Circuitry

Last Week In The Federal Circuit (August 30-September 3): Candor At The Patent Office

The Federal Circuit returned to a full week of in-person arguments last week.  But that didn’t keep it from issuing a range of decisions in patent and non-patent cases.  Below we provide our usual weekly statistics and our...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2021

Belcher Pharmaceuticals, LLC v. Hospira, Inc., Appeal No. 2020-1799 (Fed. Cir. Sept. 1, 2021) - In an appeal from the United States District Court for the District of Delaware, the Federal Circuit affirmed the district...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Getting Lost in the Thicket: AbbVie Wields Its Expansive Humira® Patent Portfolio Against Alvotech’s Adalimumab Biosimilar

In the most recent of a series of litigations by AbbVie against manufacturers seeking to market biosimilar versions of Humira®, the world’s most profitable drug, AbbVie initiated an action against Alvotech in the district...more

Akin Gump Strauss Hauer & Feld LLP

Withholding of Evidence Related to Offer for Sale, Filing False Declaration and Coercion by Patentee Support Finding of...

The Federal Circuit upheld a district court’s finding of inequitable conduct on the basis that appellants and its lawyers intentionally withheld material information involving the on-sale bar from the United States Patent &...more

Knobbe Martens

Attorneys and Clients Behaving Badly – Deliberately Withheld Offer for Sale Is Inequitable Conduct

Knobbe Martens on

GS CLEANTECH CORP. v. ADKINS ENERGY LLC - Before, Reyna, Wallach, and Hughes. Appeal from the District Court for the Northern District of Illinois. Summary: Withholding and obscuring evidence of a pre-critical date...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights - October 2019: Graphical Snapshot of Supplemental Examination

Supplemental Examination was born out of fixing potential inequitable conduct issues before they are raised in a court proceeding. 35 U.S.C. § 257(a); 27 CFR § 1.601; M.P.E.P. § 2800. The stated goal is to improve patent...more

Jones Day

Misbehavior In IPR Can Form Basis For Inequitable Conduct

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Finjan, Inc. v. Cisco Systems, Inc., Case No. 17-cv-00072-BLF (N.D. Cal. Sept. 13, 2018), reminds us that representations to the PTAB can have consequences in district court litigation, even outside the estoppel context. ...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

Texas Advanced Optoelectronic Solutions, Inc. v. Renesas Electronics America, Inc., Appeal Nos. 2016-2121, -2208, -2235 (Fed. Cir. 2018)?- In an appeal from a jury trial, the Federal Circuit addressed numerous issues...more

Schwabe, Williamson & Wyatt PC

2017 and Early 2018 Supreme Court and Precedential Patent Cases From the Federal Circuit

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

McDermott Will & Emery

No Rehearing on Inequitable Conduct

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Over a vigorous dissent, the US Court of Appeals for the Federal Circuit issued a per curiam order denying a petition for panel rehearing and en banc rehearing of its earlier inequitable conduct decision. Regeneron...more

Jones Day

ALJ Denies Inequitable Conduct “Fishing Expedition”

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In a recent order, Administrative Law Judge Lord denied Respondents CSL Behring LLC, CSL Behring GMBH, and CSL Behring Recombinant Facility AG (“CSL Behring”) motion to compel discovery from Complainants Bioverativ Inc.,...more

McDermott Will & Emery

Counsel’s Actions Support Inference of Intent to Deceive PTO

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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

BakerHostetler

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

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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

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