News & Analysis as of

United States Patent and Trademark Office Patent Invalidity Patent Trial and Appeal Board

The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.... more +
The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.    less -
Goodwin

Issue 45: PTAB Trial Tracker

Goodwin on

In Pfizer Inc., v. Sanofi Pasteur Inc., SK Chems Co. Ltd., v. Vidal, 2019-1871 (March 5, 2024), the Federal Circuit affirmed the Board’s conclusions that claims 1–45 of U.S. Patent No. 9,492,559 were unpatentable due to...more

Erise IP

Eye on IPRs: August 2024

Erise IP on

Every month, Erise’s patent attorneys review the latest inter partes review cases and news to bring you the stories that you should know about: Federal Circuit Addresses Waiver of Argument Not Raised in Request for...more

AEON Law

Patent Poetry: Federal Circuit Upholds IPR Estoppel Provisions

AEON Law on

The Federal Circuit has affirmed a decision by the Patent Trial and Appeal Board (PTAB or Board) concerning the application of 37 CFR § 42.73(d)(3)(i)’s estoppel provisions in invalidating amended patent claims....more

Knobbe Martens

Estoppel Does Not Apply to Previously Issued Claims

Knobbe Martens on

Before Bryson, Lourie, and Reyna. Appeal from the United States Patent and Trademark Office (“PTO”), Patent Trial and Appeal Board (“Board”). Summary: Estoppel under 37 C.F.R. § 42.73(d)(3)(i) only applies to obtaining new...more

ArentFox Schiff

USPTO New Proposed Terminal Disclaimer Practice

ArentFox Schiff on

On May 10, the US Patent and Trademark Office (USPTO) released proposed amendments to the rules of practice to add a new requirement for terminal disclaimers filed to prevent non-statutory double patenting....more

Goodwin

Issue 44: PTAB Trial Tracker

Goodwin on

The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This periodic digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

Foley & Lardner LLP

Sotera Stipulation Filed After the Patent Owner’s Response Still Deemed Effective

Foley & Lardner LLP on

The Patent Trial and Appeal Board (PTAB) recently addressed both the timing requirements and procedures for filing a Sotera stipulation before the Board in, BMW of North America LLC v. Northstar Systems LLC, IPR2023-01017...more

Fish & Richardson

2023 Post-Grant Annual Report

Fish & Richardson on

2023 was a busy year at the Patent Trial and Appeal Board, as post-grant practice continued to evolve at a rapid pace. At the United States Patent and Trademark Office, there were big developments in Director Review and...more

Haug Partners LLP

A U.S. View on the UPC – Part 8: Challenging the Validity of a Patent

Haug Partners LLP on

On June 1, 2023, the new European Unified Patent Court (UPC) opened its doors, and enforcement of European patents in (currently) 17 contract member states is now possible with one action. This series of articles – directed...more

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

[Webinar] Developments in IPR Estoppel - December 5th, 1:00 pm - 2:00 pm EST

Director Jason A. Fitzsimmons and Counsel Richard A. Crudo will present the “Developments in IPR Estoppel” webinar on Tuesday, December 5, 2023, at 1:00 PM ET. The possibility of being estopped from asserting prior art in...more

Jones Day

PTAB Doubles Down on Interference Estoppel Issue

Jones Day on

The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more

AEON Law

Patent Poetry: Patent Term Adjustments in Double-Patenting Determinations

AEON Law on

The Federal Circuit has ruled that when members of a patent family have different expiration dates due to patent term adjustments (PTAs), the earlier-expiring patent family members can be used as a basis for an...more

Farella Braun + Martel LLP

What Patent Bills Would Mean for Infringement Litigation

Two bills recently introduced in Congress could significantly affect the current patent litigation landscape. The bipartisan bills are titled the Patent Eligibility Restoration Act of 2023 and the Promoting and Respecting...more

Foley & Lardner LLP

Federal Circuit Puts Patent Term Adjustment On The Chopping Block

Foley & Lardner LLP on

In In re Cellect, the Federal Circuit effectively held that Patent Term Adjustment (PTA) awarded under 35 USC § 154 is not protected from obviousness-type double patenting (OTDP) in view of a patent with the same 20-year...more

AEON Law

Patent Poetry: PTAB: Claim Preclusion Doesn’t Apply to IPR Proceedings

AEON Law on

The Patent Trial and Appeal Board (PTAB) has denied VLSI’s motion to terminate Intel’s involvement in an inter partes review (IPR) of a VLSI patent. VLSI and Intel are engaged in a legal war across several jurisdictions....more

Sheppard Mullin Richter & Hampton LLP

2023 Federal Circuit Case Summaries

We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more

McDermott Will & Emery

Compelling Clarity: PTO Director Explains Compelling Merits Test

US Patent & Trademark Office (PTO) Director Katherine K. Vidal issued a precedential opinion clarifying the standard under which the Patent Trial & Appeal Board (Board) can institute on an inter partes review (IPR) petition...more

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

The Federal Circuit Rejects Additional Challenges to USPTO Authority After Arthrex

CyWee Group Ltd. (“CyWee”) has been bouncing between the Federal Circuit and Patent Trial and Appeal Board (“Board”) with its administrative challenges after two inter partes review (“IPR”) proceedings invalidated the claims...more

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

2022 Design Patents Year in Review: Analysis & Trends

Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - March 2022 #4

Hunting Titan, Inc. v. DynaEnergetics Europe GMBH, Appeal Nos. 2020-2163, -2191 (Fed. Cir. March 24, 2022) - In a notable review of the USPTO’s new Precedential Opinions Panel, the Federal Circuit discussed the...more

American Conference Institute (ACI)

[Event] 17th Annual Paragraph IV Disputes Conference - April 26th - 27th, New York City, NY

Premier forum which shapes the law, policy, and proceedings of Paragraph IV Litigation is back to New York City on April 26-27! Pharmaceutical patent practitioners from across the globe attend this flagship conference to...more

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

2021 PTAB Year in Review: Analysis & Trends: The Resurgence and Perils of Ex Parte Reexaminations

Ex parte reexaminations have re-emerged as an increasingly important component of patent litigation and licensing negotiations. With the passage of the America Invents Act (“AIA”) and the advent of inter partes reviews...more

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

2021 PTAB Year in Review: Analysis & Trends: Interplay Between PTAB Proceedings and Recovery in District Court

In 2021, district courts were faced with resolving numerous requests by parties seeking attorney fees based on conduct in related USPTO Patent Trial and Appeal Board (PTAB) proceedings. Many of these requests came in the wake...more

Sheppard Mullin Richter & Hampton LLP

Forum Selection Clause Can Preclude PTO Validity Challenges

In Nippon Shinyaku v. Sarepta Therapeutics, the Federal Circuit held that a forum selection clause specifying that patent infringement or invalidity actions shall be filed in federal district court in Delaware made clear that...more

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