News & Analysis as of

Patent Validity Claim Construction Prior Art

Proskauer - The Patent Playbook

Federal Circuit Affirms Stem Cell Product-by-Process Claims: Lessons in Claim Construction and Inherency from Restem LLV v. Jadi...

The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more

Miller Canfield

Jepson Claims No Substitute for Written Description in Patents

Miller Canfield on

Federal Circuit Holds That the Preamble of Jepson-Style Claims Must Be Supported by an Adequate Written Description - U.S. patent claims have a preamble, and, in most cases, the preamble is not limiting. Jepson-style...more

BakerHostetler

[Podcast] The Changing Landscape: Admissibility of Experts in Patent Cases

BakerHostetler on

Experts play a crucial role in patent cases. Experts opine on claim construction, infringement, invalidity and the proper amount of damages. And the exclusion of an expert witness can significantly impact the outcome of a...more

Mintz - Intellectual Property Viewpoints

The UPC and EPO Divide: Understanding Conflicting Revocation Proceeding Outcomes

With nearly 800 cases adjudicated or pending thus far at the Unified Patent Court (UPC), a possible procedural gap has appeared in the European patent system: no clear legal mechanism currently exists to resolve conflicting...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Infringement Outcomes in Patent Litigation

Baker Botts L.L.P. on

This article continues our analysis of over 89,000 patents to determine how the number of office actions to allowance during prosecution impacts litigation outcomes. Last month we discussed how prosecution length impacts...more

McDermott Will & Emery

Validity Analysis for Product-by-Process Claim Focuses on Product

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board patentability finding, explaining that an anticipation analysis for a product-by-process claim focuses on the product and not the process....more

Jones Day

Federal Circuit Affirms Claim Construction and How It Applies

Jones Day on

In Pacific Biosciences of California, Inc. v. Personal Genomics Taiwan, Inc., the Federal Circuit recently affirmed two PTAB decisions in IPRs filed by Pacific Biosciences of California, Inc. (PacBio) that challenged a...more

McDermott Will & Emery

Wave Goodbye: Arguments Incorporated by Reference Are Waived

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s patentability determination, finding that the patent challenger waived an argument it attempted to incorporate by reference to another...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions: Qualcomm Inc. v. Intel Corp., 6 F.4th 1256 (Fed....

Intel Corp. petitioned for six inter partes reviews (IPRs) challenging the validity of U.S. Patent No. 9,608,675, a patent directed to power management in wireless devices. In each proceeding, Intel and patent-owner Qualcomm...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.

PTAB Strategies and Insights - July 2021

[co-author: Jay Bober, Summer Associate] 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...more

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

PTAB Strategies and Insights - April 2021

[co-author: Yuke Wang, Patent Agent] 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...more

McDonnell Boehnen Hulbert & Berghoff LLP

Oral Argument in Minerva Surgical Inc. v. Hologic, Inc.

The Supreme Court heard oral argument last week in Minerva Surgical Inc. v. Hologic, Inc. over the issue of assignor estoppel. As a reminder, the case arose in an infringement suit over U.S. Patent Nos. 6,782,183 and...more

Mintz - Intellectual Property Viewpoints

Filling the Hole with Common Sense: When Evidentiary Support is Adequate

The Federal Circuit recently reaffirmed a case where common sense was used to supply a missing element in a § 103 obviousness analysis. On June 26, 2020, the Federal Circuit issued a decision in B/E Aerospace, Inc. v. C&D...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

Jones Day

IPR Goes Forward Despite Late Stage Parallel ITC Investigation

Jones Day on

Since their inception as part of the AIA, inter partes reviews (IPRs) have been a favorite tool in the arsenal of patent challengers. Their statutorily mandated 18-month schedule oftentimes allows the PTAB to resolve a...more

Knobbe Martens

Federal Circuit Review - June 2019

Knobbe Martens on

One-year Clock for Filing IPR Petition Applies to Litigants and Parties that Become Privies of the Litigant Prior to Institution. In Power Integrations, Inc v. Semiconductor Components, Appeal No. 2018-1607, the Federal...more

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

PTAB Strategies and Insights - May 2019: Court's Infringement Indefiniteness Does Not Dictate Validity Indefiniteness at PTAB

In IPR2018-00272, the Board denied a motion to terminate brought by a Patent Owner who argued that a district court’s finding of indefiniteness required termination of the PTAB proceedings for U.S. Patent. 9,393,208....more

Bradley Arant Boult Cummings LLP

A Federal Circuit Prescription to Take Away the Pain for Generics - Intellectual Property News

The Federal Circuit recently reversed a lower court’s ruling of validity under the § 112 written description requirement effectively opening the door for a number of generic drug manufacturers to enter the market with a...more

McDermott Will & Emery

Obviousness Take Two

McDermott Will & Emery on

Finding that the district court improperly restricted a defendant’s ability to present the jury with relevant evidence of invalidity after a prior remand, the US Court of Appeals for the Federal Circuit vacated a district...more

Knobbe Martens

Federal Circuit Review - August 2018

Knobbe Martens on

The Board’s Final Written Decision Must Address All Grounds for Unpatentability Raised in a Petition for Inter Partes Review - In Adidas AG v. Nike, Inc., Appeal Nos. 2018-1180, 2018-1181, the Federal Circuit held that...more

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

Federal Circuit Appeals from the PTAB: Summaries of Key 2017 Decisions

In 2016, the US Court of Appeals for the Federal Circuit docketed more appeals from the US Patent and Trademark Office (PTO) than any other venue—a first in its over 30-year history. The post grant proceedings created by the...more

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

Reverse or Remand: What is the proper remedy on appeal where the Board fails to carry its burden?

Is there a growing split in the Federal Circuit on the proper remedy where the Patent Trial and Appeal Board (“Board”) fails to carry its burden? The recent precedential decision of In re Hodges, __ F.3d __, 2018 WL 817248...more

Jones Day

Anticipation Requires More Than A Reference That Discloses All The Elements

Jones Day on

In Microsoft Corp. v. Biscotti, Inc., Nos. 2016-2080, -2082, -2083, 2017 WL 6613262 (Fed. Cir. Dec. 28, 2017), a divided Federal Circuit panel affirmed the Patent Trial and Appeal Board’s decision that Microsoft failed to...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Clarifies the Requirements for a Teaching Away by the Prior Art

In a precedential opinion issued on October 11, 2017, the United States Court of Appeals for the Federal Circuit reversed the Patent Trial and Appeals Board’s (“PTAB”) finding of non-obviousness where the prior art taught...more

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