Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
A Guide to SEP: Standard Essential Patents for Tech Startups
Wolf Greenfield’s New Shareholders
5 Key Takeaways | Building a Winning Evidentiary Record at the PTAB (and Surviving Appeal)
Wolf Greenfield Attorneys Review 2024 and Look Ahead to 2025
5 Key Takeaways | Alice at 10: A Section 101 Update
Director Review Under the USPTO's Final Rule – Patents: Post-Grant Podcast
AGG Talks: Cross-Border Business Podcast - Episode 20: Mastering ITC Section 337 Investigations
Navigating Intellectual Property Challenges in the Renewable Energy Sector - Energy Law Insights
Patent Considerations in View of the Nearshoring Trends to the Americas
Tonia Sayour in the Spotlight
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
3 Key Takeaways | What Corporate Counsel Need to Know About Patent Damages
5 Key Takeaways | Rolling with the Legal Punches: Resetting Patent Strategy to Address Changes in the Law
Meet Meaghan Luster: Patent Litigation Associate at Wolf Greenfield
Legal Alert: USPTO Proposes Major Change to Terminal Disclaimer Practice
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Artificial Intelligence Patents & Emerging Regulatory Laws
Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
Patent Litigation: How Low Can You Go?
On March 26, 2025, the U.S. Patent and Trademark Office released a memorandum introducing a new interim process for handling institution decisions in inter partes reviews (IPRs) and post-grant reviews (PGRs). The Office just...more
Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more
On April 19, 2024, the USPTO published a long-awaited Notice of Proposed Rulemaking (NPRM) that followed its April 2023 Advance Notice of Proposed Rulemaking (ANPRM). The proposed rules package, Patent Trial and Appeal Board...more
Univ. of South Florida Bd. of Trustees v. United States, Appeal No. 2022-2248 (Fed. Cir. Feb. 9, 2024) In this week’s Case of the Week, the Federal Circuit examined the scope of a provision of the Bayh-Dole Act of 1980 (35...more
2023 saw a return to business as usual for the Federal Circuit. Oral arguments are once again in-person and open to the public, and the Court has resumed its former practice of holding occasional sittings outside of...more
On October 26, 2023, the U.S. Court of Appeals for the Federal Circuit in Monterey Research, LLC v. STMicroelectronics, Inc. affirmed a pair of final written decisions at the Patent Trial and Appeal Board (PTAB) that...more
On April 20, 2023, the USPTO announced Advance Notice of Proposed Rulemaking for potential PTAB reforms. The goal of the Notice was to seek public input regarding proposed changes to discretionary institution practices,...more
As post grant review allows for on sale bar assertions, and thus experimental use defenses, we wanted to highlight a recent case addressing these issues. Sunoco sued Venture and U.S. Oil Co. for infringement of U.S. Patent...more
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
In June 2021, the US Patent and Trademark Office (USPTO) published an update to its study of America Invents Act (AIA) trials involving challenges to Orange Book-listed and biologic patents from September 16, 2012, through...more
Over the last 20-plus years, US Court of Appeals for the Federal Circuit cases concerning written description and enablement have become a hot-button issue in the chemical and life sciences practices. The year 2021 was no...more
[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
[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
USPTO Leadership - ..Drew Hirshfeld is still performing the functions and duties of Director. The Biden Administration has not made an announcement as to who will be nominated to become the next Director. ...more
In Olaplex, Inc. v L’Oréal USA, Inc. the Federal Circuit addressed, among other issues, PGR estoppel in subsequent district court litigation. Here, the Court addressed the timing to raise estoppel regarding written...more
Last month, in January 2021, the United States Patent and Trademark Office (“USPTO”) published a memorandum (the “January 2021 Memorandum”) clarifying how it will analyze claims for indefiniteness in AIA post-grant...more
Recent Precedential Decisions Applying Fintiv - When a company is sued for patent infringement, often one early strategic consideration is whether to counterattack the patent’s validity at the Patent Trial and Appeal...more
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more
In post-grant proceedings since 2018, the PTAB has applied the same claim construction standard as used in district court; a recent Memorandum confirms the PTAB will likewise apply the same standard that district courts use...more
On January 6, 2021, the United States Patent and Trademark Office (“USPTO”) published a Memorandum that changed the indefiniteness analysis under 35 U.S.C. §112 that the Patent Trial and Appeal Board (“PTAB”) applies in...more
The authors propose replacing the PTAB’s current NHK-Fintiv factors with the alternative “Babcock-Train Factors” set forth herein These alternative factors have been crafted in an effort to provide clearer institution...more
One of the most notable recent changes in post-grant proceedings was replacing the broadest reasonable interpretation (“BRI”) claim construction standard with the Phillips standard used to construe claims in federal court....more
Powerful. Resilient. Ever-evolving. These characteristics of the Patent Trial and Appeal Board (PTAB) were on full display in 2019. This past year the PTAB received more than 1,300 inter partes review (IPR), post grant review...more
The PTAB Cannot Approve or Deny Certificates of Correction - In Honeywell International, Inc. v. Arkema Inc., Arkema France, Appeal Nos. 2018-1151, -1153, the Patent Trial and Appeal Board (“Board”) does not have the...more