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America Invents Act › Patent Invalidity › Estoppel

The Leahy-Smith America Invents Act is a United States federal statute enacted in 2011 aimed at simplifying the U.S. patent system and allowing inventions to be brough to market sooner. The AIA makes significant... more +
The Leahy-Smith America Invents Act is a United States federal statute enacted in 2011 aimed at simplifying the U.S. patent system and allowing inventions to be brough to market sooner. The AIA makes significant changes to the patent system, including changing from a first-to-invent scheme to a first-to-file scheme, eliminating interference proceedings and developing post-grant opposition.  less -
Irwin IP LLP

Cut! GoPro Can’t Keep Cameras Rolling After IPR Estoppel.

Irwin IP LLP on

Contour IP Holdings, LLC, v. GoPro, Inc., Case No. 17-cv-04738-WHO (N.D. Cal. March 24, 2025) - The estoppel provision of the American Invents Act (AIA) (35 U.S.C. § 315(e)(2)) prevents a petitioner in an inter parties...more

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

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

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

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

Jones Day

PGR Estoppel Continues to be Broad and Onerous

Jones Day on

An ITC Administrative Law Judge (ALJ) recently issued an initial determination holding that PGR estoppel prevented GMG Products LLC (Respondent) from raising two prior-art products in the ITC....more

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

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

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

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

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

[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

Jones Day

PGRs Still Rare – Is Estoppel The Reason?

Jones Day on

A Post-Grant Review can be used to challenge newly-issued patents on wide-ranging grounds, but PGRs remain relatively unpopular: statutory estoppel may be a reason why....more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2020 Decisions

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

[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

Goodwin

Issue Twenty-Nine: 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 monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

Goodwin

Issue Twenty-Six: 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 monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

Jones Day

The Scope Of IPR Petitioner Estoppel For Non-Petitioned Grounds Remains Uncertain

Jones Day on

There is no doubt that “the potential for estoppel is one of the important considerations for defendants in deciding whether or not to file an [inter partes review (“IPR”)] petition.” Shaw Indus. Grp., Inc. v. Automated Creel...more

Morrison & Foerster LLP

8 Ways To Avoid Inter Partes Review Estoppel

Morrison & Foerster LLP on

Inter partes review has become an enormously popular method of challenging patents. One important downside of filing for IPR, however, is that, if the petitioner loses, it faces an estoppel that could prevent it from raising...more

Kilpatrick

Is the Pendulum About to Swing Back?

Kilpatrick on

In 2012, the American Invents Act created Inter Partes review (“IPR”) and related proceedings that allowed parties to request that the Patent Office institute a trial to determine the patentability of issued claims. Over the...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

Schwabe, Williamson & Wyatt PC on

Our report includes discussions of six of the precedential cases decided in the past week and will include the other three cases in next week’s report. In Aylus v. Apple, the panel finds prosecution disclaimer in a...more

Morgan Lewis

2017 PTAB Digest: The Latest Trends and Developments in Post-Grant Proceedings

Morgan Lewis on

Recent patent reform legislation, rule changes, and court rulings are expected to have a significant impact on the strategies of both patent owners and petitioners....more

McDonnell Boehnen Hulbert & Berghoff LLP

Post-Grant Review Estoppel – Looking Forward by Looking Back at Estoppel in Inter-Partes and Covered-Business-Method Review

McDonnell Boehnen Hulbert & Berghoff LLP on

In 2011, the Leahy-Smith America Invents Act (“AIA”) established new post-issuance procedures for challenging the validity of a granted patent before the Patent Trials and Appeal Board (“PTAB” or “Board”). Inter partes...more

WilmerHale

What The Fed Circ. Says About IPR Estoppel

WilmerHale on

The inter partes review estoppel provision (35 U.S.C. § 315(e)) says that a petitioner (or real party in interest) in an IPR that results in a final written decision on a patent claim may not assert validity in a U.S. Patent...more

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Limits Estoppel Provision of the AIA

Sheppard Mullin Richter & Hampton LLP on

On March 23, 2016, the Federal Circuit addressed the scope of the estoppel provision for inter partes reviews (“IPRs”) contained in Section 315 of the American Invents Act. The Court relied on the plain reading of “during”...more

Foley & Lardner LLP

Patent Due Diligence: All That Glitters May Not Be PTAB Gold

Foley & Lardner LLP on

An obvious but sometimes overlooked item when conducting patent due diligence is to check for PTAB proceedings (CBM, IPR, or PGR). Although the Patent Application Information Retrieval System (PAIR) does show whether patents...more

Perkins Coie

Inter Partes Review Proceedings: A Third Anniversary Report

Perkins Coie on

When inter partes review (IPR) proceedings became effective in September 2012, few people would have predicted the transformative effect it would have on patents and the litigation landscape. Three years in, IPR has become...more

Foley & Lardner LLP

An Invalidity Argument Without a Home? The PTAB's Discretion to Ignore Grounds for Invalidity

Foley & Lardner LLP on

By Shaun R. Snader[1] & George C. Beck The post-grant proceedings established by the America Invents Act – inter partes review (IPR), covered business method (CBM) review, and post-grant review (PGR) –promise faster,...more

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