News & Analysis as of

Patent Invalidity Post-Grant Review Estoppel

Fish & Richardson

EPRx 201: The Risks and Rewards of Ex Parte Reexamination

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Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...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

Fish & Richardson

2023 Post-Grant Annual Report

Fish & Richardson on

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

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

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

Goodwin

Issue 37: PTAB Trial Tracker

Goodwin on

Expert Testimony Alone Insufficient to Show Examiner's Material Error in Considering Prior Art - In Nespresso USA, Inc. v. K-fee System GmbH, IPR2021-01222, Paper 9, at 25 (PTAB Jan. 18, 2022), the Board denied...more

Jones Day

PGR Estoppel Continues to be Broad and Onerous

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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

[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

PGRs Still Rare – Is Estoppel The Reason?

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A Post-Grant Review can be used to challenge newly-issued patents on wide-ranging grounds, but PGRs remain relatively unpopular: statutory estoppel may be a reason why....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

[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more

Jones Day

PGR Estoppel Applies to Unasserted Art

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Due to the relatively low number of post-grant reviews (“PGR”) filed to date, not many district courts have spoken on the scope of PGR estoppel. In GREE, Inc. v. Supercell Oy, No. 2:19-cv-00071 (E.D. Texas), Magistrate Judge...more

Goodwin

Issue Twenty-Nine: PTAB Trial Tracker

Goodwin on

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

Akin Gump Strauss Hauer & Feld LLP

Invalidity Defenses Will Not Be Stricken at Pleading Stage Despite Defendant’s Earlier PGR Petition

A district court has denied a patent owner’s motion to strike wholesale a defendant’s affirmative defense of invalidity. The key issue in the motion to strike was the application of the estoppel provision of 35 U.S.C. §...more

Kilpatrick

Is the Pendulum About to Swing Back?

Kilpatrick on

In 2012, the American Invents Act created Inter Partes review (“IPR”) and related proceedings that allowed parties to request that the Patent Office institute a trial to determine the patentability of issued claims. Over the...more

Morgan Lewis

2017 PTAB Digest: The Latest Trends and Developments in Post-Grant Proceedings

Morgan Lewis on

Recent patent reform legislation, rule changes, and court rulings are expected to have a significant impact on the strategies of both patent owners and petitioners....more

Goodwin

Issue Three: Keeping Tabs on the PTAB

Goodwin on

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

McDonnell Boehnen Hulbert & Berghoff LLP

Post-Grant Review Estoppel – Looking Forward by Looking Back at Estoppel in Inter-Partes and Covered-Business-Method Review

In 2011, the Leahy-Smith America Invents Act (“AIA”) established new post-issuance procedures for challenging the validity of a granted patent before the Patent Trials and Appeal Board (“PTAB” or “Board”). Inter partes...more

Troutman Pepper Locke

IPR Estoppel Provisions May Not Be That Scary After All

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IPR petitioners wary of the statutory estoppel under 35 U.S.C. § 315(e)(2) may have reason to be cautiously optimistic. Judge Sue Robinson of the Federal District Court of Delaware recently held that Toshiba is not estopped...more

Goodwin

Issue One: Keeping Tabs on the PTAB

Goodwin on

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

Foley & Lardner LLP

What "Reasonably" Could Have Been Raised in an Inter Partes Review?

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Since their introduction, inter partes review (“IPR”) proceedings have had a close association with district court litigation. Indeed, litigation defendants are often the petitioners who initiate IPR proceedings. Therefore,...more

Foley & Lardner LLP

Patent Due Diligence: All That Glitters May Not Be PTAB Gold

Foley & Lardner LLP on

An obvious but sometimes overlooked item when conducting patent due diligence is to check for PTAB proceedings (CBM, IPR, or PGR). Although the Patent Application Information Retrieval System (PAIR) does show whether patents...more

Foley & Lardner LLP

An Invalidity Argument Without a Home? The PTAB's Discretion to Ignore Grounds for Invalidity

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By Shaun R. Snader[1] & George C. Beck The post-grant proceedings established by the America Invents Act – inter partes review (IPR), covered business method (CBM) review, and post-grant review (PGR) –promise faster,...more

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