4 Key Takeaways | Updates in Standard Essential Patent Licensing and Litigation
Stages of Patent Invalidation Proceedings
Jones Day Talks: PTAB's Busy Docket and What's Changed After SAS Institute
Impact of Changes at the PTAB on Patent Owners
Podcast: IP Life Sciences Landscape: Aiding Orange and Purple Book Patent Owners in Developing PTAB Survival Skills
Podcast: PTAB Changes After SAS: New Litigation Tactics & Further Changes to Come
Podcast: PTAB Update: New USPTO Director Brings Significant Changes to PTAB
Compiling Successful IP Solutions for Software Developers
Is The Deck Stacked Against Patent Owners In The PTAB?
Inter Partes Review: Validity Before the PTAB
On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more
In the fast-paced world of innovation, inventors sometimes realize that their patents do not fully protect their inventions until after the patent issues. If the patent family has an application still pending at the patent...more
Last week a remarkably interesting Federal Circuit case was decided concerning whether an asserted reference was properly shown to qualify as prior art in the rejection of a pending patent application. The pending application...more
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more
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
This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more
Provisional patent applications are popular in the U.S. for the various advantages they may provide applicants, including lower filing costs, less restrictive United States Patent and Trademark Office (USPTO) filing...more
Speck v. Bates, No. 2023-1147 (Fed. Cir. May 23, 2024) addressed two issues, (1) whether courts should apply a one-way test or a two-way test to determine if pre-critical claims materially differ from post-critical claims,...more
Takeaways: -Not all patent errors are correctible via Reissue. - Restriction practice applies to Reissue applications. 1. Non-Elected Invention Recapture: A reissue application cannot add claims directed to a...more
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 Affirms PTAB’s Analogous Art Finding - As IP Watchdog...more
United States Patent and Trademark Office (USPTO) officials recently reiterated to all patent examiners that they must provide clear, consistent analysis regarding means-plus-function and step-plus-function limitations. ...more
The Chips Act seeks to jump-start semiconductor development in the United States. Last week, the Patent Office has promulgated the Semiconductor Technology Pilot Program (STPP) to further the goals of the Chips Act....more
On November 15, 2023, Director of the United States Patent and Trademark Office (USPTO) Kathi Vidal designated as precedential the Patent Trial and Appeal Board’s (PTAB) final written decision in Penumbra, Inc. v. RapidPulse,...more
A perennial challenge in patenting is to both cover your product and block design-arounds. It is understandably frustrating to incur the expense and disclosure requirements of the patent process only to find that a...more
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
Hologic, Inc. v. Minerva Surgical, Inc., Appeal Nos. 2019-2054, -2081 (Fed. Cir. Aug. 11, 2022) - Our Case of the Week follows the Hologic saga as it returns to the Federal Circuit on remand from the Supreme Court’s...more
The U.S. Patent and Trademark Office handles hundreds of thousands of patent applications per year, as well as various types of administrative patent proceedings. While the USPTO has made incremental improvements in its...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
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
Dear Patenticity, I have a chemical invention and I want to obtain the broadest coverage I can. The problem is I have not done much lab work, so I only have a couple real examples. I know that the written description...more
Bulk-Filed Patent Applications Claiming Distant Priority Trigger Prosecution Laches - In Hyatt v. Hirshfeld, Appeal No. 18-2390, the Federal Circuit held that the PTO met its burden to prove prosecution laches for bulk-filed...more
Gilbert P. Hyatt v. Andrew Hirshfeld, Appeal Nos. 2018-2390, -2391, -2392, 2019-1038, -1039, -1049, -1070 (Fed. Cir. June 1, 2021) - This week’s Case of the Week explores a long-running dispute between controversial...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