The institution rate for post-grant petitions in FY 2026 through the end of November (the period from Oct. 1, 2025 through November 30, 2025) stands at 37% (118 instituted, 197 denied). As expected, this rate is...more
1/16/2026
/ America Invents Act ,
Denial of Institution ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Pharmaceutical Industry ,
Post-Grant Review ,
Technology Sector ,
USPTO
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 because the prior proceedings had applied a different standard of...more
11/20/2025
/ Claim Construction ,
Collateral Estoppel ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Examinations ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Prior Art ,
USPTO
On October 17, 2025, the USPTO issued a notice of proposed rulemaking (“Notice”) regarding the rules of practice for inter partes review before the PTAB. The proposed rules do not apply to post grant review petitions,...more
11/18/2025
/ Comment Period ,
Inter Partes Review (IPR) Proceeding ,
Notice of Proposed Rulemaking (NOPR) ,
Parallel Proceedings ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Prior Art ,
Proposed Rules ,
Rulemaking Process ,
USPTO
On October 29th, Acting Chief Judge Deshpande and Vice Chief Judge Kim discussed Director institution of AIA trials, where the Director will make all institution decisions (on both discretionary, non-discretionary, and...more
10/30/2025
/ Administrative Patent Judges ,
America Invents Act ,
Director of the USPTO ,
Discretionary Functions ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Statutory Interpretation ,
Statutory Requirements ,
USPTO
On July 29, 2025, Chief Administrative Patent Judge Scott R. Boalick circulated a memorandum to Members of the PTAB entitled “Final Written Decision Procedures for AIA Trial Proceedings.” ...more
9/8/2025
/ Appeals ,
Final Written Decisions ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
New Guidance ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
USPTO
In a recent decision, Acting Director Coke Morgan Stewart denied a Patent Owner’s request for discretionary denial in LifeVac, LLC v. DCSTAR, Inc., IPR2025-00454. Even though Petitioner had previously challenged the same...more
8/11/2025
/ Denial of Institution ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Judicial Discretion ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Prior Art ,
USPTO
Under a new U.S. Patent and Trademark Office (“USPTO”) policy issued in March 2025, pre-institution inter partes review (“IPR”) proceedings are now bifurcated, consisting of a first phase in which the director considers...more
7/8/2025
/ Hatch-Waxman ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
National Security ,
Orange Book ,
Patent Applications ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Post-Grant Review ,
USPTO
On April 17, 2025, following Acting Director Coke Morgan Stewart’s memorandum announcing a new interim process to manage the workload of all PTAB judges, the USPTO held a Boardside Chat outlining the new bifurcated process...more
A new interim process for the acting director to exercise discretion as to whether to institute an inter partes review ("IPR") or a post-grant review ("PGR") was announced on March 26, 2025, in which discretionary...more
4/4/2025
/ Administrative Procedure ,
Director of the USPTO ,
Filing Deadlines ,
Intellectual Property Litigation ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Proposed Rules ,
USPTO
After rescinding the June 2022 guidance regarding Fintiv, the PTAB issued updates to how they will consider discretionary denial issues under Section 314(a) on Monday. ...more
On Friday, the USPTO rescinded its June 21, 2022, guidance memorandum entitled “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court Litigation.” That memorandum discussed...more
The PTO has issued a Notice of Proposed Rulemaking regarding who may represent parties in PTAB post-grant trials. The proposal is part of the USPTO’s wider initiative to expand access to practice before the Office. ...more
5/30/2024
/ America Invents Act ,
Client Services ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Notice of Proposed Rulemaking (NOPR) ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Post-Grant Review ,
Pro Hac Vice ,
USPTO
On April 19, 2024, the USPTO issued a Notice of Proposed Rulemaking (the “Notice”) regarding discretionary denial in post-grant proceedings and other issues. The Notice addresses stakeholder feedback responsive to the...more
5/3/2024
/ Comment Period ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Notice of Proposed Rulemaking (NOPR) ,
Patent Ownership ,
Patents ,
Petition for Review ,
Post-Grant Review ,
Proposed Rules ,
Regulatory Agenda ,
Regulatory Reform ,
USPTO
The PTAB requires that all petitioners in IPR and PGR proceedings disclose the real party(ies)-in-interest. While that might seem like a mere formality, a false disclosure can lead to very harsh consequences....more
Motions to amend (MTA) are becoming a more frequently used tool for patent owners litigating before the Patent Trial and Appeal Board (PTAB). When a patent is being challenged in an inter partes review (IPR) or post-grant...more
USPTO Director Kathi Vidal recently vacated a PTAB decision denying institution of a post-grant review and remanded the case for further proceedings. The petitioner challenged claims 1–27 of the ’274 patent under 35 U.S.C. §...more
On June 10, 2022, the PTAB in Apple Inc. v. MemoryWeb LLC denied Apple’s “conditional” IPR petition but instituted review of Apple’s concurrently-filed PGR petition, finding that MemoryWeb’s U.S. Patent No. 11,017,020 (“the...more
The Board denied post grant review in Palo Alto Networks, Inc. v. Centripetal Networks, Inc. under 35 U.S.C. § 325(d) after applying the Advanced Bionics framework as informed by the factors outlined in Becton. IPR2021-01520...more
Typically, a Motion for Joinder to an earlier post-grant review (“PGR”) must be filed within one month of the institution of the earlier PGR. 37 C.F.R. § 42.222(b).While the Patent Trial and Appeal Board (“PTAB”) does have...more
The institution rate for post-grant petitions in FY 2022 through the end of January 2022 (Oct. 1, 2021 through January 31, 2022) stands at 63% (279 instituted, 164 denied) compared to 59% in the previous fiscal year....more
The institution rate for post-grant petitions in FY 2022 through the end of November 2021 (Oct. 1, 2021 through Nov. 30, 2021) stands at 66% (138 instituted, 71 denied) compared to 59% in the previous fiscal year....more
A recent PTAB decision in Sattler Tech Corp. v. Lyu represents an important reminder to carefully review the procedural and substantive requirements for filing a petition for an AIA trial, especially when dealing with...more
The institution rate for post-grant petitions in FY 2021 through the end of August 2021 (Oct. 1, 2020 through Aug. 31, 2021) stands at 58% (658 instituted, 471 denied) compared to 56% in the previous fiscal year. The Patent...more
Ocado Group (“Petitioner”) filed a petition requesting a post-grant review of a claim from U.S. Patent No. 10,696,478 (’478 Patent) owned by AutoStore Technology (“Patent Owner”). The Board concluded that the Petitioner did...more
In Microsurgical Tech., Inc. v. Regents of the Univ. of Colorado, No. PGR2021-00026, Paper 12 (P.T.A.B. June 16, 2021), the Patent Trial and Appeal Board (“PTAB”) held that disclaimed claims should be considered for...more