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Prior Art Collateral Estoppel

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

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

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

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

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

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

Jones Day

Collateral Estoppel Applied by District Court Following IPR on Similar Patents

Jones Day on

In Think Prod., Inc. v. ACCO Brands Corp., No. 18-CV-07506, 2019 WL 6609427, at *1 (N.D. Ill. Dec. 5, 2019), the District Court addressed whether the plaintiff patent ower was collaterally estopped from arguing validity in...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2019 #2

Curver Luxembourg, SARL v. Home Expressions Inc., Appeal No. 2018-2214 (Fed. Cir. Sept. 12, 2019) In a significant case in the field of design patents, the Federal Circuit clarified the scope of design patent infringement...more

Jones Day

Collateral Estoppel Requires Same Grounds, Says PTAB

Jones Day on

The PTAB’s recent decision in TicketNetwork, Inc. v. CEATS, Inc. reminds litigants that collateral estoppel only applies when there is an identity of issues. In the decision, the PTAB refused to find that a claim limitation...more

Bradley Arant Boult Cummings LLP

Federal Circuit Refuses to Resuscitate Prostate Cancer Drug Patent - Intellectual Property News

In a precedential decision delivered this week, the Federal Circuit shot down arguments from Appellants BTG International Limited; Janssen Biotech, Inc.; Janssen Oncology, Inc.; and Janssen Research & Development, LLC (BTG),...more

Mintz - Intellectual Property Viewpoints

Collateral Estoppel Bars Assertion of Patent Claims That Do Not “Materially Alter the Question of Invalidity” Relative to Claims...

On April 4, 2019, Chief Judge Patti Saris of the United States District Court for the District of Massachusetts held in Intellectual Ventures I, LLC v. Lenovo Group Ltd. that a final determination of invalidity in inter...more

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

2019 Report: Federal Circuit Appeals from the PTAB - Summaries of Key 2018 Decisions

In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2018 #3

PATENT CASE OF THE WEEK - VirnetX Inc. v. Apple, Inc., Appeal Nos. 2017-2490, -2494 (Fed. Cir. Dec. 10, 2018) The Federal Circuit affirmed two final written decisions of the Patent Trial and Appeal Board (“PTAB”), which...more

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

PTAB Strategies and Insights - September 2018: Best Strategies for ITC Respondents When Considering a PTAB Action

When faced with allegations of patent infringement at the International Trade Commission (ITC), a respondent must quickly evaluate whether or not to request an AIA review (hereinafter, inter partes review for convenience) at...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

PATENT CASE OF THE WEEK - SimpleAir, Inc. v. Google LLC, Appeal No. 2016-2738 (Fed. Cir. 2018) - In SimpleAir, Inc. v Google LLC, the Federal Circuit vacated a district court’s motion to dismiss pursuant to Rule...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Latest Federal Circuit Court Cases

PATENT CASE OF THE WEEK - Ottah v. Fiat Chrysler, Appeal No. 2017-1842 (March 7, 2018) - In Ottah v. Fiat Chrysler, the Federal Circuit affirmed a district court’s grant of summary judgment of non-infringement as to...more

Foley & Lardner LLP

Collateral Estoppel at the Federal Circuit for Inter Partes Review Proceedings

Foley & Lardner LLP on

In Maxlinear, Inc. v. CF CRESPE, LLC, slip op. 2017-1039, the Federal Circuit remanded to the Patent Trial and Appeal Board (“Board”) an inter partes review (“IPR”) proceeding to evaluate the patentability of certain...more

Schwabe, Williamson & Wyatt PC

2017 Supreme Court and Precedential Patent Cases From the Federal Circuit, With Some Significant Cases from 2016

Arbitration - Waymo v. Uber Technologies, 870 F.3d 1342 (Fed. Cir. 2017) - Waymo sued Uber and others for trade secret misappropriation and patent infringement. Uber contends that Waymo should be compelled to...more

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