Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Ruth Brindel,* Daniel Sloan, and Matt Johnson
On November 17, 2025, USPTO Director John Squires issued a memorandum introducing a new procedure allowing petitioners to submit a voluntary Search Disclosure
PTAB Litigation Blog
The PTAB Litigation Blog, published by Jones Day, focuses on legal developments and procedural issues related to the Patent Trial and Appeal Board (PTAB) proceedings. It covers topics such as inter partes review (IPR), post-grant review (PGR), claim construction standards, real party in interest disclosures, discretionary denials, estoppel, joinder, and the impact of district court litigation on PTAB trials. The blog also discusses rulemaking proposals, precedential decisions, and strategic considerations in patent litigation before the PTAB. It provides analysis of USPTO policies, Federal Circuit decisions, and procedural nuances affecting patent validity challenges and trial institution decisions.
Latest from PTAB Litigation Blog - Page 3
Prosecution Error Evidence & Timing Considerations Sends IPR Forward
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Ruth Brindel* and Matt Johnson
The USPTO’s Acting Deputy Director, Coke Morgan Stewart, issued a decision on October 3, 2025, declining to exercise discretion to deny institution in Carbyne, Inc. v.…
USPTO Director Institution Decisions: Back To The Future?
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By John Marlott –
USPTO Director Squires recently published an open letter announcing that he was “Bringing the USPTO Back to the Future” by assuming responsibility for all IPR and PGR institution…
PRECEDENTIAL: PTAB Clarifies Real Party in Interest Analysis
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Carl Kukkonen and Matt Johnson –
The Patent Trial and Appeal Board (PTAB) has designated as precedential a decision that squarely reaffirms the statutory requirement to identify all real parties in…
Collateral Estoppel May Not Apply When Claim Interpretation Standards Differ
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Thane Bonnett* and Matt Johnson –
In its recent decision in RØDE Microphones, LLC et. al. vs. Zaxcom, Inc., the PTAB declined to apply collateral estoppel based on prior post-grant proceedings…
Proposed Rulemaking Aims to Change Access to IPR Proceedings
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Thane Bonnett,* Daniel Sloan, and Matt Johnson –
On October 17, 2025, the USPTO issued a notice of proposed rulemaking (“Notice”) regarding the rules of practice for inter partes review…
Director Terminates Proceeding Based on Inconsistent Testimony
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By David Linden, Dave Maiorana, Thane Bonnett,* and Pranita Dhungana –
On October 1, 2025, USPTO Director John Squires issued his first Director Review decision, terminating in whole IPR2024-00465…
Discretionary Decision Statistics Update
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Adam J. Cook, Daniel C. Sloan, and Matt Johnson –
The October 17 Memo from Director Squires marked the end of a distinct discretionary denial era, the Interim Era. …
PTAB Issues First Summary Institution (Denial) Decisions
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Matt Johnson –
On October 31st, the Director issued his first set of summary decisions on IPR institutions, denying institution of 13 cases without comment in a single document.
The…
PTAB Presentation Regarding Director Institution – Slides and Rough Transcript
Visit Jones Day’s PTAB Litigation blog at www.ptablitigationblog.com.
By Adam Cook, Christian Roberts, and Matt Johnson –
On October 29th, Acting Chief Judge Deshpande and Vice Chief Judge Kim discussed Director institution of AIA trials, where the Director…