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United States Patent and Trademark Office › Patent Applications › Estoppel

The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.... more +
The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.    less -
Sterne, Kessler, Goldstein & Fox P.L.L.C.

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – July 2025

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

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...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

McDermott Will & Schulte

[Ongoing Program] PTAB Session: Strategic Considerations Before Filing IPR Petitions - April 21st, 10:00 am - 11:00 am JST

McDermott Will & Schulte on

We are committed to providing insightful commentary on IP developments from around the world to our Japanese clients. In light of that effort, we are continuing our free monthly webinar series, McDermott IP Focus. During...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

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

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

[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

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

Weintraub Tobin

No Judicial Estoppel In The Case Of The On-Again, Off-Again Patent Inventor

Weintraub Tobin on

The case of Egenera, Inc. v. Cisco Systems, Inc. raised the question of whether inventors named on a patent can be repeatedly changed as litigation strategy changes. Because of judicial estoppel, the district court said no...more

Foley & Lardner LLP

IPR Proactive Defense Measures – Strategies and Considerations for Patent Owners

Foley & Lardner LLP on

Many patent owners have not yet had to defend against an inter partes review (IPR), but the popularity of this proceeding increases the chances that they will encounter it down the road if they have not already faced one....more

McDermott Will & Emery

Progressive Obtains No Insurance at Federal Circuit - Progressive Casualty Insurance Co. v. Liberty Mutual Insurance Co.

McDermott Will & Emery on

In a non-precedential decision, the U.S. Court of Appeals for the Federal Circuit affirmed several formal written decisions of the Patent Trial and Appeal Board (PTAB or Board) invalidating the appellant’s patents, while also...more

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