News & Analysis as of

Patents Patent Invalidity United States Patent and Trademark Office

Morgan Lewis

A New Era for the PTAB: Discretion Returns, Layoffs Loom, and Early Challenges Encouraged

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The USPTO has launched a sweeping recalibration of its post-grant proceedings at the PTAB, signaling a decisive pivot back toward discretionary denials of patent challenges. With the rescission of prior procedural guidance, a...more

Baker Botts L.L.P.

First Quarter 2025 Federal Circuit Law Snapshot

Baker Botts L.L.P. on

Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

Fish & Richardson

EPRx 201: The Risks and Rewards of Ex Parte Reexamination

Fish & Richardson on

Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more

McDermott Will & Emery

Fintiv Guidelines for Post-Grant Proceedings Involving Parallel District Court Litigation

On March 24, 2025, the US Patent & Trademark Office (PTO) released new guidance that clarifies application of the Fintiv factors when reviewing validity challenges simultaneously asserted at the Patent Trial & Appeal Board...more

Kilpatrick

PTAB: Initial Fallout from the New Director Guidance on Discretionary Denial of Institution

Kilpatrick on

Last week, my partner Justin Krieger published an alert regarding Acting Director Stewart's new guidance on discretionary denial. Shortly thereafter, Acting Director Stewart issued a decision vacating institution of several...more

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Vacates Claim Construction But Upholds PTAB’s Determination of Obviousness and Motivation to...

In this edition of The Precedent, we outline the Federal Circuit's decision in HD Silicon Solutions LLC v. Microchip Technology Inc. In HD Silicon Solutions LLC, the Federal Circuit addressed an appeal from the USPTO Patent...more

Saul Ewing LLP

What Intellectual Property Owners Need to Know Today About Obviousness-Type Double Patenting

Saul Ewing LLP on

What You Need to Know: • Instead of filing multiple applications claiming different aspects of an invention but not sharing a single priority chain, patentees should strive to file highly comprehensive applications that...more

Jones Day

Petitioner’s Proof of Printed Publication Falls Short

Jones Day on

On February 6, 2025, the PTAB denied IPR institution because the Petitioner failed to establish that its key prior art reference qualified as a printed publication under Section 102(b). The PTAB’s decision hinged on whether...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Miller Canfield

A New Alice Plot Twist - Can a Composition of Matter Be an Abstract Idea?

Miller Canfield on

The patent world tends to think that the Supreme Court’s framework in Alice is a template for determining the eligibility of software and business method inventions. Under 35 U.S.C. § 101, abstract ideas are not eligible for...more

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

Venable LLP on

Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Amundsen Davis LLC

Preserving Patent Rights: Impact of Public Use on Patenting

Amundsen Davis LLC on

For a business planning to market a product that incorporates an invention, having an enforceable patent to protect the invention is often desirable. Two recent federal circuit cases reiterate what many patent holders and...more

Warner Norcross + Judd

Discretionary Denials May be on the Rise Following PTAB’s Decision to Withdraw Fintiv Memo

On Feb. 28, 2025, the U.S. Patent and Trademark Office (USPTO) rescinded a memorandum issued by former Director Kathy Vidal (the “Fintiv Memo”), which, since June 21, 2022, provided guidance on when the Patent Trial and...more

Baker Botts L.L.P.

Intellectual Property Report March 2025

Baker Botts L.L.P. on

This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Invalidity Outcomes in Patent Litigation

Baker Botts L.L.P. on

This Article analyzes over 89,000 patents litigated over a twenty-year period to determine how the number of office actions to allowance during prosecution impacts rates of invalidity during subsequent litigation. Many...more

Ropes & Gray LLP

USPTO Rescinds Interim Guidance on Discretionary Denials

Ropes & Gray LLP on

On February 28, 2025, the U.S. Patent and Trademark Office (“USPTO”) rescinded its June 21, 2022 Memorandum entitled “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court...more

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

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

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

Holland & Knight LLP

Access Denied: Patent for Controlling Entry Found Ineligible Under Section 101

Holland & Knight LLP on

Earlier this month in Luxer Corp. v. Package Concierge, the U.S. District Court for the District of Delaware found that U.S. Patent No. 11,625,675 was ineligible under Section 101. In assessing the defendant's motion to...more

Womble Bond Dickinson

USPTO’s Proposed Terminal Disclaimer Practice: What Happened and What Comes Next?

Womble Bond Dickinson on

On May 10, 2024, the United States Patent and Trademark Office (“USPTO”) published a new proposed rule that would require when a patent applicant submits a terminal disclaimer to obviate non statutory double patenting that...more

Irwin IP LLP

2024 Patent Landscape -- Year In Review

Irwin IP LLP on

Over the course of 2024, the patent law landscape has continued to evolve as significant court rulings and emerging technologies shaped its direction. During 2024, activities at the Supreme Court, the Federal Circuit, various...more

Sheppard Mullin Richter & Hampton LLP

Patent Eligibility: The Call for Supreme Court Clarity and for an End to Summary Affirmances

The U.S. Supreme Court has once again been urged to revisit 35 U.S.C. § 101, the statute governing patent eligibility. Audio Evolution Diagnostics, Inc. (AED) filed a petition for writ of certiorari, challenging the Federal...more

Baker Botts L.L.P.

35 U.S.C. § 112 in IPR: I know you cannot use it to invalidate a claim, but how about breaking the priority chain?

Baker Botts L.L.P. on

It is well established that “a petitioner in an inter partes review … is not permitted to assert a ground of unpatentability under 35 U.S.C. § 112.” Dexcowin Golabl, Inc. v. Aribex, Inc., IPR2016-00436, Paper 12 (PTAB July 7,...more

Irwin IP LLP

Published Patent Applications as Prior Art:  Filing, Not Publication, is Everything 

Irwin IP LLP on

The Federal Circuit recently addressed a deceptively straightforward question: does a published U.S. patent application qualify as prior art as of the application’s filing date in inter partes review (“IPR”) proceedings? ...more

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

2024 Design Patents Year in Review: Analysis & Trends - Design Patents at the PTAB: 2024 in Review

Inter partes activity involving design patents at the Patent Trial and Appeal Board (PTAB) was relatively low in 2024. The PTAB rendered just two inter partes decisions involving design patents: Next Step Group, Inc. v....more

Jones Day

When Is a Published Patent Application Prior Art in an IPR?

Jones Day on

On appeal from an inter partes review (“IPR”), the Federal Circuit held that, under pre-America Invents Act (“pre-AIA”) law, a published patent application is prior art as of its filing date as opposed to its later date of...more

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