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Patent Validity Patent Trial and Appeal Board Patent Invalidity

Fish & Richardson

Texas Patent Litigation Monthly Wrap-Up: December 2023

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This post reviews developments from the Northern, Southern, Eastern, and Western Districts of Texas in December 2023. ...more

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Master Symposium - September 21st - 22nd, Chicago, IL

ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...more

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

PTAB Strategies and Insights - July 2021: What Court Stipulations Persuade the PTAB in Petitioners’ and Patent Owners’ Favor on...

Petitioners and Patent Owners alike have started filing stipulations in district court and at the International Trade Commission to leverage the Fintiv factors in their favor on the issue of discretionary denial at the Patent...more

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

PTAB Strategies and Insights - July 2021

[co-author: Jay Bober, Summer Associate] 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...more

Morgan Lewis

Patent Interferences

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A patent interference is an inter partes proceeding to determine which party was the first to invent commonly claimed subject matter. An interference is also a viable procedure for challenging the validity of an issued patent...more

Mintz - Intellectual Property Viewpoints

Doctrine of Assignor Estoppel to be Reviewed by U.S. Supreme Court

On January 8, 2021, the U.S. Supreme Court agreed to hear a case calling for it to abolish or limit the doctrine of assignor estoppel. See Minerva Surgical, Inc. v. Hologic, Inc., et al., No. 20-440, 2021 WL 77248 (U.S. Jan....more

Kilpatrick

Challenging Design Patent Validity At The PTAB – Pick Your Shots Carefully

Kilpatrick on

The well covered Apple v. Samsung litigation highlighted the power of design patents and the potentially large profit disgorgement damages available for them. Like utility patents, design patents can be challenged through...more

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

PTAB Strategies and Insights - July 2020: Federal Circuit Confirms PTAB's Ability to Consider Subject Matter Eligibility of...

On July 22, 2020, the U.S. Court of Appeals for the Federal Circuit (Federal Circuit) issued an opinion in Uniloc 2017 LLC v. Hulu, LLC & Netflix, Inc., No. 2019-1686 (Fed. Cir. 2020) authorizing the U.S. Patent Trial &...more

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

PTAB Strategies and Insights - September 2019: Federal Circuit Confirms in BioDelivery v. Aquestive that the PTAB Has Broad,...

In BioDelivery Sciences Int’l v. Aquestive Therapeutics, Inc., the Federal Circuit confirmed that the PTAB has broad discretion to reconsider institution decisions and terminate instituted proceedings even after trial has...more

Knobbe Martens

Federal Circuit Review - May 2019

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Reasonably Continuous Diligence Is Not Negated If an Inventor Works On Improvements or Evaluates Alternatives to the Claimed Invention - In ATI Technologies ULC v. IANCU, Appeal Nos. 2016-2222, -2406, -2608, the Federal...more

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

2019 Report: Federal Circuit Appeals from the PTAB - Summaries of Key 2018 Decisions: Arista Networks, Inc. v. Cisco Sys., Inc.,...

The inventor on the patent, Dr. Cheriton, was employed by Cisco as a technical advisor and chief product architect at the time he filed the application that led to the patent. Dr. Cheriton assigned all rights to the...more

Knobbe Martens

Perhaps Assignor Estoppel Survives at the PTAB…via the District Court

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A preliminary decision in the District Court of Delaware introduces the possibility that a patentee’s victory on assignor estoppel in the district court could quash a co-pending IPR proceeding at the PTAB. Assignor estoppel...more

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

Federal Circuit Appeals from the PTAB: Summaries of Key 2017 Decisions

In 2016, the US Court of Appeals for the Federal Circuit docketed more appeals from the US Patent and Trademark Office (PTO) than any other venue—a first in its over 30-year history. The post grant proceedings created by the...more

Knobbe Martens

The PTAB Authorizes Additional Motion To Amend Briefing in View of Aqua Products

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The Board authorized petitioner Kingston to file a Response to the patent owner’s Reply to petitioner’s Opposition to Motion to Amend, based on the Federal Circuit’s en banc holding that the burden to establish...more

Jones Day

No Stay of Remedial Orders Even After PTAB Finds Claims Unpatentable

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The ITC has dealt a significant blow to the use of Inter Partes Review as a defense to a Section 337 investigation. In an order issued this week, the Commission denied a request to stay remedial orders that are currently on...more

Jones Day

Design Patents at the PTAB?

Jones Day on

In the wake of the high-profile dispute in Apple v. Samsung, design patent procurement and enforcement activity has increased significantly. But practitioners may not appreciate that design patent validity can be attacked...more

Mintz - Intellectual Property Viewpoints

PTAB Invalidates Two Cisco Patents Found Valid and Infringed at the ITC

The Patent Trial and Appeal Board (“PTAB”) issued Final Written Decisions regarding Cisco’s U.S. Patent Nos. 6,377,577 (the “’577 Patent”) and 7,023,853 (the “’853 Patent”) on May 25, 2017 and U.S. Patent No. 7,224,668 (the...more

Foley & Lardner LLP

PTAB Not Bound By Prior Court Decisions Upholding Exelon Patents

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In Novartis v. Noven Pharmaceuticals, Inc., the Federal Circuit affirmed the USPTO Patent Trial and Appeal Board (PTAB) decisions invalidating certain claims of two Orange Book-listed Exelon patents. This decision has...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

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

Mintz - Intellectual Property Viewpoints

CAFC’s Husky Decision Makes Sledding Tougher for Patent Owners in PTAB Appeals

The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more

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