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Collateral Estoppel Corporate Counsel

A&O Shearman

Federal Circuit Issues Key Ruling On Collateral Estoppel And Patent Invalidity

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The Federal Circuit recently issued a decision in the ongoing dispute in Kroy IP Holdings, LLC v. Groupon, Inc., addressing the collateral estoppel effect of Patent Trial and Appeal Board (PTAB) decisions on subsequent...more

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business - Recent Rulings - January 2025

Fenwick & West LLP on

Contour IP v. GoPro: Federal Circuit Offers Insight into Alice’s Step One Analysis. In Contour IP v. GoPro, the Federal Circuit reversed a summary judgment order invalidating two of Contour IP’s patents directed to...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 & Schulte

No Second Bite at the Apple: Dismissal under Duplicative-Litigation Doctrine

The US Court of Appeals for the Federal Circuit affirmed a district court’s dismissal of a second case between the same parties and asserting the same patent under the duplicative-litigation doctrine. Arendi S.A.R.L. v. LG...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

Blank Rome LLP

Lucky Brand Gets Lucky in Trademark Fight: SCOTUS Unanimously Strikes Opponent’s Novel Defense Preclusion Theory

Blank Rome LLP on

Competitors with similar trademarks can find themselves in long-running trademark disputes, making for bitter rivals. Multiple rounds of litigation are not only contentious, but also expose litigants to procedural pitfalls....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

Proskauer - California Employment Law

Employer’s Victory In Workers’ Compensation Proceeding Leads To Dismissal Of Discrimination Claims

A recent California Court of Appeal opinion reminds employers of the need to carefully monitor parallel workers’ compensation proceedings involving litigants who also have civil claims pending against the employer. Ly v....more

Skadden, Arps, Slate, Meagher & Flom LLP

"Inside the Courts: An Update from Skadden Securities Litigators - February 2017 / Volume 9 / Issue 1"

We are pleased to present Inside the Courts (Volume 9, Issue 1), Skadden’s securities litigation newsletter. This quarter’s issue includes summaries and associated court opinions of selected cases principally decided between...more

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