News & Analysis as of

Prior Art Estoppel Patent Infringement

Jones Day

Reverse Engineered Search Insufficient For IPR/PGR Estoppel

Jones Day on

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

Jones Day

PTAB Doubles Down on Interference Estoppel Issue

Jones Day on

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

AEON Law

Patent Poetry: The “Skilled Searcher” and IPR Estoppel

AEON Law on

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

Snell & Wilmer

Federal Circuit Holds Patent Owners Bear IPR Estoppel Burden of Proof

Snell & Wilmer on

The Federal Circuit recently held, for the first time, that patent owners bear the burden of proof for an Inter Partes Review (“IPR”) Estoppel affirmative defense that an alleged infringer failed to include prior art in a...more

Kilpatrick

PTAB Alert: Estoppel and the “Skilled Searcher” Standard

Kilpatrick on

Yesterday, in Ironburg Inventions Ltd. v. Valve Corp., Case No. 21-2296 (Fed. Cir. Apr. 3, 2023), the Federal Circuit held that for estoppel to apply under 35 U.S.C. § 315(e)(2), a patent holder must prove, by a preponderance...more

Knobbe Martens

Who Bears the Burden of Proof for IPR Estoppel?

Knobbe Martens on

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

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: 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

McDermott Will & Emery

[Ongoing Program] PTAB Session: Strategic Considerations Before Filing IPR Petitions - April 21st, 10:00 am - 11:00 am JST

We are committed to providing insightful commentary on IP developments from around the world to our Japanese clients. In light of that effort, we are continuing our free monthly webinar series, McDermott IP Focus. During...more

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

[Webinar] Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions - February 2nd, 1:00 pm - 2:00 pm EST

In conjunction with the release of the firm's year-in-review report, speakers will offer case summaries and analysis of the significant 2022 appellate rulings discussed in the report. Topics of the featured intellectual...more

Jones Day

Coordinate Arguments To Avoid Procedural Bars

Jones Day on

In a recent decision, 25 F.4th 1035 (Fed. Cir. 2022), the Federal Circuit dismissed for lack of jurisdiction an appeal of the PTAB’s decision that estopped a Petitioner from maintaining a third IPR that challenged the same...more

Jones Day

PGR Estoppel Continues to be Broad and Onerous

Jones Day on

An ITC Administrative Law Judge (ALJ) recently issued an initial determination holding that PGR estoppel prevented GMG Products LLC (Respondent) from raising two prior-art products in the ITC....more

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

2021 PTAB Year in Review: Analysis & Trends: The Resurgence and Perils of Ex Parte Reexaminations

Ex parte reexaminations have re-emerged as an increasingly important component of patent litigation and licensing negotiations. With the passage of the America Invents Act (“AIA”) and the advent of inter partes reviews...more

Knobbe Martens

Federal Circuit Review - February 2022

Knobbe Martens on

Ordered To Agree: Binding Settlement Agreement Provision Found Despite Absence of Singular, Executed Agreement - In Plasmacam, Inc. v. Cncelectronics, LLC Appeal No. 21-1689, the Federal Circuit held that an agreement on...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

Jones Day

Don’t Save The Best: Federal Circuit Confirms Broad IPR Estoppel

Jones Day on

The patent fight between Caltech and Broadcom/Apple made waves this month when the Federal Circuit vacated the $1.1 billion infringement award that Caltech had won in district court....more

Goldberg Segalla

Federal Circuit Clarifies IPR Estoppel and Vacates $1.1 Billion Verdict in Favor of Caltech Due to Improper Damages Theory

Goldberg Segalla on

On February 4, 2022, the Federal Circuit clarified that IPR estoppel extends to all claims and invalidity grounds that the petitioner could have reasonably asserted in its IPR petition. ...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - February 2022

The Federal Circuit issued numerous precedential opinions last week, two of which answered long simmering questions about inter partes reviews (IPRs). Below we discuss a case addressing whether admissions of prior art in the...more

Knobbe Martens

Prosecution History Disclaimer and Estoppel Lead To Noninfringement

Knobbe Martens on

TRAXCELL TECHNOLOGIES, LLC V. NOKIA SOLUTIONS AND NETWORKS Before Prost, O’Malley, and Stoll. Appeal from the Eastern District of Texas. Summary: An applicant’s arguments distinguishing prior art during patent...more

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

PTAB Strategies and Insights - May 2021: Federal Circuit Starts to Clarify Section 325(e)(2) Estoppel

In Olaplex, Inc. v L’Oréal USA, Inc. the Federal Circuit addressed, among other issues, PGR estoppel in subsequent district court litigation. Here, the Court addressed the timing to raise estoppel regarding written...more

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

PTAB Strategies and Insights - May 2021

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2020 Decisions: Network-1 Tech., Inc. v. Hewlett-Packard Co. et....

Network-1 sued HP, among others, for patent infringement. Another defendant then filed an inter partes review (IPR) petition. Following institution, HP filed its own petition on different grounds and a motion to join the...more

Goodwin

PTAB Introduces Precedential Opinion Recommendation Portal

Goodwin on

As a result of feedback it received, the PTAB introduced a new web portal that allows any member of the public to nominate a decision for precedential or informative designation. The request must provide information about the...more

53 Results
 / 
View per page
Page: of 3

"My best business intelligence, in one easy email…"

Your first step to building a free, personalized, morning email brief covering pertinent authors and topics on JD Supra:
*By using the service, you signify your acceptance of JD Supra's Privacy Policy.
- hide
- hide