News & Analysis as of

Inter Partes Review (IPR) Proceeding Claim Construction Patent Prosecution History

DLA Piper

What is a “Clear and Unmistakable” Prosecution History Disclaimer?

DLA Piper on

The Federal Circuit’s March 21, 2025 decision in Maquet Cardiovascular LLC v. Abiomed Inc. et al. (No. 2023-2045) and the recent Patent Trial and Appeal Board (PTAB) Delegated Rehearing Panel decision in SynAffix B.V. v....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.

PTAB Strategies and Insights - August 2021: Federal Circuit Remands for Board's Improper Use of Extrinsic Evidence During Claim...

In Seabed Geosolutions (US) Inc. v. Magseis FF LLC, the Federal Circuit vacated and remanded an inter partes review decision for the Patent Owner. The Court held that the Patent Trial and Review Board failed to perform the...more

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

PTAB Strategies and Insights - August 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

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

Does the Term “Human Antibody” Include Humanized Antibodies?

In the context of Immunex’s patent on IL-4 antibodies, the Federal Circuit says yes. On October 13, 2020, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) final written decision in...more

McDermott Will & Emery

Sharp Turnaround on Applicability of § 112, ¶6 Analysis

McDermott Will & Emery on

Addressing the applicability of 35 USC § 112, ¶6 to the term “mechanical control assembly,” the US Court of Appeals for the Federal Circuit found that the Patent Trial and Appeal Board (PTAB) gave undue weight to the patent’s...more

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