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Prior Art Patent Invalidity Inter Partes Review (IPR) Proceeding

Knobbe Martens

Federal Circuit Review | July 2024

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In Natera, Inc v. Neogenomics Laboratories, Inc., Appeal No. 24-1324 the Federal Circuit held that  preliminary injunction may be valid if a substantial question of invalidity was not raised, even if the asserted patent is...more

Erise IP

Eye on IPRs, June 2024: What’s Next for the Design Patent Obviousness Test; Federal Circuit Ruling on Printed Matter

Erise IP on

Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: Design Patent Obviousness Test Thrown Out - The U.S. Court of Appeals...more

Goodwin

Issue 44: PTAB Trial Tracker

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The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This periodic digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

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

2023 PTAB Year in Review: Analysis & Trends: The Changing Contours of IPR Estoppel Law

As any PTAB practitioner knows, the possibility of being estopped from asserting prior art in district court is a significant risk that must be considered when filing an IPR. Section 315(e)(2) prevents a petitioner, following...more

Jones Day

Reverse Engineered Search Insufficient For IPR/PGR Estoppel

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In GeigTech East Bay v. Lutron Electronics, patent owner GeigTech argued that Lutron should be estopped under 35 U.S.C. § 325(e)(2) from asserting two prior art grounds that it said Lutron could have reasonably raised in its...more

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Aflibercept-related Patents Invalid

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On January 9, 2024, the PTAB issued final written decisions in IPR2022-01225 and IPR2022-01226, filed by Mylan on two Regeneron patents directed to dosing of aflibercept — U.S. Patent Nos. 10,130,681 and 10,888,601. The PTAB...more

Fish & Richardson

2023 Post-Grant Annual Report

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2023 was a busy year at the Patent Trial and Appeal Board, as post-grant practice continued to evolve at a rapid pace. At the United States Patent and Trademark Office, there were big developments in Director Review and...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2023

Penumbra, Inc. v. Rapidpulse, Inc., IPR2021-01466, Paper 34 (P.T.A.B. March 10, 2023) In a PTAB decision that was recently designated precedential, the Board made two important decisions concerning provisional patent...more

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

[Webinar] Developments in IPR Estoppel - December 5th, 1:00 pm - 2:00 pm EST

Director Jason A. Fitzsimmons and Counsel Richard A. Crudo will present the “Developments in IPR Estoppel” webinar on Tuesday, December 5, 2023, at 1:00 PM ET. The possibility of being estopped from asserting prior art in...more

Proskauer - Minding Your Business

Recent Federal Circuit Decision Highlights Importance of Analogous Prior Art Doctrine

The Court of Appeals for the Federal Circuit recently addressed the issue of “analogous prior art,” a patent law doctrine fundamental to the legal determination of whether a patent is invalid as obvious over the prior art....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

McDermott Will & Emery

No Two Ways About It: No Disparagement ≠ Teaching Away, Free Samples ≠ Commercial Success

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The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board invalidating two patents: one as anticipated because disclosure of a genus anticipated the claimed species, and the other as obvious...more

AEON Law

Patent Poetry: The “Skilled Searcher” and IPR Estoppel

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The Federal Circuit has issued an opinion on the burden of proof for establishing estoppel in a case involving an inter partes review (IPR) petition. The case is Ironburg Inventions Ltd. v. Valve Corp....more

Goodwin

Issue 41: PTAB Trial Tracker

Goodwin on

Derivation Showing Overcome by Evidence of Respondent’s Prior Conception in Rare Derivation Proceeding - The Board issued a decision in a rare derivation proceeding filed by Global Health Solutions LLC (“Petitioner”)...more

Bradley Arant Boult Cummings LLP

Searching for Claim Support in a Patent Specification? You Better Blaze a Trail

Last month the Federal Circuit affirmed a PTAB inter partes review (IPR) decision finding that the University of Minnesota’s patent claim directed to the anti-cancer drug sofosbuvir was not adequately supported by the written...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Addresses Burden of Proof for IPR Estoppel

On April 3, in Ironburg Inventions Ltd. v. Valve Corp., the Federal Circuit articulated a standard for applying inter partes review (IPR) estoppel on grounds a petitioner “reasonably could have raised” under 35 U.S.C. §...more

Knobbe Martens

Who Bears the Burden of Proof for IPR Estoppel?

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IRONBURG INVENTIONS LTD. v. VALVE CORP. Before Lourie, Clevenger, and Stark.  Appeal from the United States District Court for the Western District of Washington. Summary: The patentee has the burden of proving that...more

Irwin IP LLP

CAFC Holds Priority Favors True Trailblazers, Not Maze-Like Paths Through a Forest of Prior Applications: Regents of the...

Irwin IP LLP on

The Court of Appeals for the Federal Circuit (“CAFC”) recently upheld a decision of the Patent Trial and Appeal Board (“PTAB”) that found some claims of U.S. Patent 8,815,830 (“the ’830 patent”) unpatentable as anticipated....more

A&O Shearman

PTAB Decision Invalidating Claims Finding Lack of Written Description and Later Priority Date Upheld by Federal Circuit

A&O Shearman on

Procedural History - Regents of the University of Minnesota v. Gilead Sciences, Inc., Case No. 2021-2168 (Fed. Cir. Mar. 6, 2023) is an appeal by the Regents of the University of Minnesota (“Minnesota”) from a final...more

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

2022 Design Patents Year in Review: Analysis & Trends

Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more

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

[Webinar] 2022 PTAB Year in Review: Analysis and Trends - February 28th, 1:00 pm - 2:00 pm EST

Speakers will offer updates, case summaries, and analysis of the significant 2022 PTAB guidance, actions, and rulings. Topics include: the Director’s 2022 Fintiv guidance, PTAB discretionary denial, the use of applicant...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Intel Corp. v. Qualcomm Inc., 21 F.4th 801 (Fed....

Intel filed three IPR petitions against Qualcomm’s ’949 patent, which is directed to “boot code” in a multi-processor system. Apple, who was not a party to any of the IPRs, uses Intel’s baseband processors in certain iPhone...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: Intuitive Surgical, Inc. v. Ethicon LLC, 25 F.4th...

Intuitive filed three IPR petitions, all on the same day, challenging Ethicon’s endoscopic surgical instrument patent. The petitions challenged overlapping claims based on different combinations of prior art references. The...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions: California Institute of Technology v. Broadcom...

Caltech sued Broadcom and Apple for infringement, asserting three of its data transmission patents against Broadcom’s WiFi chips and certain Apple products that incorporate those chips. Apple then filed IPR petitions...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

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