News & Analysis as of

Collateral Estoppel Patent Trial and Appeal Board

Fenwick & West LLP

En banc Hearing Petition Filed on Recent Fed. Circ. Collateral Estoppel Decision

Fenwick & West LLP on

The Court of Appeals for the Federal Circuit has sparked debate following a recent ruling on the Patent Trial and Appeal Board's (PTAB) application of estoppel provisions in invalidating amended claims in inter partes...more

Pillsbury Winthrop Shaw Pittman LLP

Preclusion Confusion: Federal Circuit Decision in ZyXEL Communications v. UNM Rainforest Sparks Uncertainty at the PTAB

In ZyXEL, the petitioner unexpectedly received a second chance to argue against the patentability of the patentee’s substitute claims, even though the U.S. Patent Trial & Appeal Board (PTAB) had already found those claims...more

Morgan Lewis

Federal Circuit Clarifies Scope and Timing of Collateral Estoppel for Claims Under IPR

Morgan Lewis on

In a recent opinion, the Federal Circuit added several new wrinkles to amendment practice in inter partes review proceedings. The court affirmed the Patent Trial and Appeal Board’s determination that most of the original...more

McDermott Will & Emery

See Here: No Standing Based on Vague Future Plans or Adverse Priority Findings

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit dismissed an appeal from a final written decision in an inter partes review (IPR) proceeding, finding that the petitioner lacked standing because it suffered no injury in fact....more

Akin Gump Strauss Hauer & Feld LLP

Collateral Estoppel Causes PTAB to Reverse Course and Institute IPR

The Patent Trial and Appeal Board granted a request for rehearing and instituted inter partes review of a web browsing patent in order to reconcile an inconsistency with a final judgment of un-patentability in the IPR of a...more

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

PTAB Strategies and Insights Newsletter - May 2023: Beware of Collateral Estoppel at the PTAB

When thinking about estoppel and the PTAB, the § 315(e) estoppels—relating to grounds a petitioner raised or reasonably could have raised—are likely the first to come to mind. However, other types of estoppel, such as...more

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

PTAB Strategies and Insights Newsletter - May 2023

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

Haug Partners LLP

Google v. Hammond: IPR and Collateral Estoppel

Haug Partners LLP on

On December 8 2022, the Federal Circuit in Google LLC v. Hammond Development Int’l, Inc. affirmed in part and reversed in part the PTAB’s final written decision of an IPR holding that Google failed to prove that certain...more

WilmerHale

Collateral estoppel in IPR proceedings requires that the issues of patentability be identical, not that the patent claims need to...

WilmerHale on

Precedential Federal Circuit Opinions - 1.  GOOGLE LLC v. HAMMOND DEVELOPMENT INTERNATIONAL, INC. [OPINION]  (21-2218, 12/8/2022) (Moore, Chen, and Stoll) - Moore, Chief J. Reversing in part and affirming in part...more

Knobbe Martens

Collateral Estoppel Is Applicable in IPRs When the Question of Patentability Is the Same

Knobbe Martens on

GOOGLE LLC v. HAMMOND DEVELOPMENT INTERNATIONAL, INC. - Before Moore, Chen, and Stoll. Appeal from the Patent Trial and Appeal Board. - Summary: Collateral estoppel applies to IPRs where differences in claims do not...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2022 #2

Google LLC v. Hammond Development International, Inc., Appeal No. 2021-2218 (Fed. Cir. Dec. 8, 2022) - In the only precedential patent decision this week, the Federal Circuit issued a decision concerning the effect of...more

Jones Day

Claim Construction Clash Leads to Invalidity Reprieve

Jones Day on

In XR Communications, LLC v. D-Link Systems, Inc. Et. Al., a judge in the Central District of California found that certain asserted claims claiming to wireless communication technology were barred by the doctrine of...more

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

2021 PTAB Year in Review: Analysis & Trends: IPR Estoppels: A Power Imbalance for Plaintiffs and Defendants

Inter partes review (IPR) proceedings raise complex estoppel issues that courts are grappling with and patent litigants must consider. Because patent challengers can assert invalidity in three different tribunals (the...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

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions: SynQor, Inc. v. Vicor Corp., 988 F.3d 1341 (Fed....

SynQor, Inc. appealed the inter partes reexamination decision of the Patent Trial and Appeal Board (Board) holding un- patentable as obvious original claims 1–19, 28, and 31 of SynQor’s patent, U.S. Patent No. 7,072,190 as...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

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

[Webinar] Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions - February 17th, 1:00 pm - 2:00 pm EST

Sterne, Kessler, Goldstein & Fox invites you to a webinar, "Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions," on Thursday, February 17, 2022. In conjunction with the release of the firm's...more

Akin Gump Strauss Hauer & Feld LLP

In IPR, No Collateral Estoppel Based on § 101 Ruling in District Court

A panel of the Patent Trial and Appeal Board instituted inter partes review of a patent, rejecting the patent owner’s assertion that the petitioner’s obviousness arguments were collaterally estopped by a district court’s...more

McDonnell Boehnen Hulbert & Berghoff LLP

C.R. Bard, Inc. v. Medline Industries, Inc. (Fed. Cir. 2021)

In a nonprecedential decision, the Federal Circuit gave a mixture of success and failure to the parties in four separate inter partes review decisions by the Patent Trial and Appeal Board, in C.R. Bard, Inc. v. Medline...more

Akin Gump Strauss Hauer & Feld LLP

Timing is Everything: Accused Infringer’s IPR Victory Estops Its Own Prior Art Invalidity Defenses, but Does Not Estop Plaintiff...

Inter partes review (IPR) proceedings can give rise to statutory and collateral estoppel. But these two bases for estoppel attach at different times, which can lead to asymmetrical outcomes in related district court...more

Haug Partners LLP

In SynQor, Inc. v. Vicor Corp., Federal Circuit Applies Collateral Estoppel to Related Inter Partes Reexamination Proceedings

Haug Partners LLP on

On February 22, 2021, the Federal Circuit addressed for the first time whether collateral estoppel (i.e., issue preclusion) was applicable in inter partes reexamination proceedings. The case is SynQor, Inc. v. Vicor Corp.,...more

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

Issue Preclusion Precluded PTAB’s Contrary Result in a Later Inter Partes Reexam

In SynQor, Inc. v. Vicor Corp., Case No. 19-1704 (Fed. Cir. Feb. 22, 2021), the Federal Circuit vacated the inter partes reexamination decision from the Patent Trial and Appeal Board (the “Board”). As part of the decision,...more

McDermott Will & Emery

Collaterally Estopped: Do Not Re-Examine the Same Issues

In an appeal from an inter partes re-examination of a patent having both original and newly presented claims, the US Court of Appeals for the Federal Circuit ruled that a decision in earlier inter partes reexaminations of...more

Alston & Bird

Patent Case Summaries - February 2021 #3

Alston & Bird on

A weekly summary of the precedential patent-related opinions issued by the Court of Appeals for the Federal Circuit and the opinions designated precedential or informative by the Patent Trial and Appeal Board....more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - March 2021

SynQor, Inc. v. Vicor Corp., Appeal No. 2019-1704 (Fed. Cir. Feb. 22, 2021) - In this week’s Case of the Week, the Federal Circuit held that common law collateral estoppel could arise from a factual determination made in...more

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