News & Analysis as of

Obviousness POSITA Prior Art

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Rules on Written Description Requirement and Prior Art Statements Supporting a Motivation to Combine

RAI Strategic Holdings, Inc. v. Phillip Morris Products S.A., No. 2022-1862 (Fed. Cir. February 9, 2024) addressed two issues: (1) when the written description requirement is met in the context of a claimed range that is...more

Jones Day

PTAB Doubles Down on Interference Estoppel Issue

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The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more

Morrison & Foerster LLP - Federal Circuitry

Last Week In The Federal Circuit (March 13 – March 17): A reminder that motivation doesn’t need to be found in the prior art...

The Court had a busy week as the weather begins to turn, and those with school-aged kids begin to plan for spring break. This week we look at the Court’s latest reminder that obviousness is a flexible analysis, so below we...more

Manatt, Phelps & Phillips, LLP

Error in Prior Art Did Not Render Invention Obvious

In LG Electronics Inc. v. Immervision, Inc., the Federal Circuit held that an obvious error in a prior art reference was not considered a teaching. The court explained that a person of ordinary skill in the art (POSITA) would...more

AEON Law

Patent Poetry: Typo Can’t Be Used to Prove Obviousness

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The Federal Circuit has held that a transcription error in a prior art document wouldn’t have been relied on by a person of ordinary skill in the art (POSITA) and thus couldn’t be used to prove obviousness....more

Haug Partners LLP

Ethicon’s Surgical Stapler Patent Held Invalid by the Federal Circuit

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In Ethicon LLC v. Intuitive Surgical, Inc., the Court of Appeals for the Federal Circuit (“CAFC”) upheld a finding from the Patent Trial and Appeal Board (“Board”) the claims of Ethicon’s patent directed to a surgical stapler...more

Haug Partners LLP

No Clear Error to Find Lack of Written Description for a Method of Treatment Patent Despite Separate Disclosures of the Drug,...

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Biogen International GMBH, Biogen MA, Inc., v. Mylan Pharmaceuticals Inc. marks the Federal Circuit’s most recent interpretation of the 35 U.S.C. § 112 written description requirement in the Hatch-Waxman context. No....more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (November 1-5): Killing Bacteria with Light – An Unexpected Result?

Last week saw recently confirmed Judge Cunningham sitting for her first oral arguments (alongside her former boss, Judge Dyk). But we’ll have to wait a bit longer for her first authored opinion. Below we provide our usual...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (March 29-April 2): A POSA By Any Other Name …

In a slow week, the Federal Circuit nevertheless gave patent litigators everywhere a non-precedential opinion to nibble on about the definition of the ever-present person having ordinary skill in the art.  Below we provide...more

Knobbe Martens

Federal Circuit Review - November 2020

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No Shortcuts to the “Reasonable Pertinence” Analysis in the Analogous Art Inquiry - In Donner Technology, LLC v. Pro Stage Gear, LLC, Appeal No. 20-1104, the Federal Circuit determination as to whether a reference is...more

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

The Federal Circuit Issues Decision Clarifying the Qualifying Test for Analogous Art

On November 9, 2020, the Federal Circuit vacated and remanded a decision by the United States Patent Office Patent Trial and Appeal Board (“PTAB”) in Donner Tech., LLC v. Pro Stage Gear, LLC, holding that the PTAB applied an...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (November 9-13): Analyzing Analogous Art

Last week, the Federal Circuit was relatively busy, issuing five precedential opinions and three other written decisions.  Below we provide our usual weekly statistics and our case of the week—our highly subjective selection...more

Mintz - Intellectual Property Viewpoints

Tip #5 for Avoiding IPR Institution: Policing KSR’s motivation requirement for the ‘how’ and ‘why’.

Building on Tip #4, one effective way to avoid institution and not address facts is to point out shortcomings in the petition's application of KSR when asserting motivation to combine for an obviousness analysis. The Patent...more

Knobbe Martens

No Shortcuts to the “Reasonable Pertinence” Analysis in the Analogous Art Inquiry

Knobbe Martens on

DONNER TECHNOLOGY, LLC v. PRO STAGE GEAR, LLC - Before Prost, Dyk, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: A determination as to whether a reference is analogous art to a claimed invention...more

Knobbe Martens

Finite Methods as a Ground for Obviousness

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UBER TECHNOLOGIES, INC. v. X ONE, INC. Before Prost, Dyk, and Wallach. Appeal from the U.S. Patent and Trademark Office, Patent Trial and Appeal Board. Summary: Because a mapping technique must be performed on either a...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: PTAB May Not Institute on Grounds Left out of IPR Petition

The Federal Circuit recently addressed whether the Patent Trial and Appeal Board (PTAB) can institute inter partes review (IPR) on a ground not advanced by the petitioner, as well as whether the general knowledge of a person...more

Katten Muchin Rosenman LLP

Federal Circuit Issues Opinion on "Inherent Obviousness" in Patent Claim, Invalidating Orange Book Listed Pharma Patent

Key Points - Federal Circuit issued precedential opinion in Hospira Inc. v. Fresenius Kabi USA, LLC that affirmed obviousness of a liquid drug patent claim, encouraging future patent challengers to raise the issue of...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - January 2020

PATENT CASE OF THE WEEK - Amgen Inc. v. Amneal Pharmaceuticals LLC, et al., Appeal Nos. 2018-2414, et al. (Fed. Cir. Jan. 7, 2020) - In this appeal from Markman and summary judgment opinions by the district court in a...more

Knobbe Martens

PTAB’s New Informative Decisions Remind IPR Petitioners of Need for Well-Developed Rationale for Combining References

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On December 11, 2019, the PTAB designated two additional decisions as “informative.”  Such informative decisions are not binding on subsequent panels, but are meant to provide guidance on recurring issues encountered by PTAB...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2019 #4

PATENT CASE OF THE WEEK - Persion Pharms. LLC v. Alvogen Malta Operations Ltd., Appeal No. 2018-2361 (Fed. Cir. Dec. 27, 2019) - In this week’s Case of the Week, the Federal Circuit affirmed a district court judgment...more

McDermott Will & Emery

Unsupported Expert Testimony Isn’t Enough to Establish Motivation to Combine

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The US Court of Appeals for the Federal Circuit determined that a Patent Trial and Appeal Board (PTAB) finding regarding motivation to combine based only on conclusory expert testimony was not supported by substantial...more

McDermott Will & Emery

AIA Survives Constitutional Challenge to Applicability to Pre-AIA Filings

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) decision finding that the America Invents Act (AIA) is constitutionally sound as applied to patents issuing on applications filed...more

Jones Day

Mere Similarity Between References is Insufficient Rationale for Obviousness

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On May 8, 2019, the Patent Trial and Appeal Board denied institution of inter partes review in William Wesley Carnes, Sr., Inc. v. Seaboard Int’l Inc., No. IPR2019-00133, holding that the mere fact that prior art references...more

Smart & Biggar

Year-end Round-up: Notable Canadian Patent Cases of 2018

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Earlier this month we published an exhaustive review of the life sciences and regulatory cases in the Canadian courts, and decisions on the merits for the year are summarized in our in our Rx IP Update 2018 Highlights in...more

Jones Day

Post-Priority Document Usable As Evidence of POSITA Motivation

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The Federal Circuit recently affirmed the Patent Trial and Appeal Board’s (“PTAB”) final written decisions finding the claims of Yeda Research and Development Co., Ltd.’s (“Yeda”) U.S. Patent Nos. 8,232,250, 8,399,413, and...more

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