News & Analysis as of

Patent Applications Patent Trial and Appeal Board 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: Discretionary Denial under § 325(d): Strategic Implications of the PTAB’s Advanced...

The USPTO Patent Trial and Appeal Board (PTAB) has increasingly used its discretionary denial authority in recent years. Although the PTAB’s discretion under 35 U.S.C. § 314(a) and Fintiv grabbed many headlines in 2021, 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

McDonnell Boehnen Hulbert & Berghoff LLP

Sherwin-Williams Co. v. PPG Industries, Inc. (W.D. Pa. 2020)

Earlier this month, in Sherwin-Williams Co. v. PPG Industries, Inc., Special Master Henry M. Sneath issued a Report and Recommendation in the U.S. District Court for the Western District of Pennsylvania that a motion by...more

Knobbe Martens

Federal Circuit Review - July 2020

Knobbe Martens on

Unconstitutionally Appointed Judges Cannot Decide Ex Parte Appeals - In In Re Boloro Global Limited, Appeal No. 19-2349, When administrative patent judges are unconstitutionally appointed, their decisions in ex...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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