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United States Patent and Trademark Office › Patent Applications › Prior Art

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 -
BakerHostetler

US Patents Set to Issue 33 Percent Faster from the Notification Date

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Starting May 13, the U.S. Patent and Trademark Office (USPTO) will accelerate the time between issue notification and the issue date of a patent. That is, the time frame will be cut from about three weeks to two weeks –...more

Wilson Sonsini Goodrich & Rosati

Method of Treatment Claim’s Limiting Preamble Must Satisfy the Written Description Requirement

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On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more

McCarter & English, LLP

The Patents Are Coming! The Patents Are Coming!—USPTO Reduces Time to Issue Patents

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Under the United States Patent and Trademark Office’s (USPTO) modernization efforts, the time between paying the issue fee and issuance of the patent is being reduced. Faster patent issuance gives patent applicants less time...more

Dinsmore & Shohl LLP

USPTO Moves to Expedite Patent Issuance

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The USPTO recently announced that they would expedite patent issuance by reducing the time between Issue Notification and Issue Date. Effective May 13, 2025, patents will now issue approximately two weeks after receiving the...more

MoFo Tech

Federal Circuit Clarifies Requirements for Prior Art Under Pre-AIA 35 U.S.C. § 102(e)

MoFo Tech on

Knowing what qualifies as prior art is a core requirement of patent practitioners—whether in life sciences, in the technology sectors or in post-grant proceedings. It is important to keep abreast of changes to the rules,...more

Fitch, Even, Tabin & Flannery LLP

Federal Circuit Limits Reliance on Provisional Priority Date Under Section 102(e)(1)

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On March 24, the Federal Circuit held in In re Riggs that for a published non-provisional patent application to be prior art under pre-AIA 35 U.S.C. § 102(e)(1) based on an earlier provisional filing date, all citations to...more

K&L Gates LLP

Detailed Guidance on New USPTO IDS Size Fees

K&L Gates LLP on

On 19 January 2025 the USPTO enacted a new Information Disclosure Statement (IDS) size fee. A new IDS size fee, codified under 37 C.F.R. 1.17(v), is accrued for any pending application when the number of cumulative references...more

Proskauer - The Patent Playbook

The Uncertain Future of Section 101: Patent Eligibility in the Wake of Recent Supreme Court (In)Action

Proskauer - The Patent Playbook on

Patent eligibility under 35 U.S.C. § 101 remains one of the most hotly contested and unpredictable areas of U.S. patent law. In the years following the Supreme Court’s landmark decisions in Alice Corp. v. CLS Bank Int’l...more

McDermott Will & Emery

Detour Ahead: New Approach to Assessing Prior Art Rejections Under § 102(e)

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit established a more demanding test for determining whether a published patent application claiming priority to a provisional application is considered prior art under pre-America...more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Riggs Decision: 35 USC 102(e) Prior Art Requires Written Description Support...

Goodwin on

On March 24, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Riggs (the Riggs decision) that vacated a decision of the Patent Trial and Appeal Board (PTAB) of the US...more

Lathrop GPM

Significant Federal Circuit Decision Redefines Prior Art Requirements

Lathrop GPM on

Last week a remarkably interesting Federal Circuit case was decided concerning whether an asserted reference was properly shown to qualify as prior art in the rejection of a pending patent application. The pending application...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: In re: Riggs

Schwabe, Williamson & Wyatt PC on

In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more

Baker Botts L.L.P.

The Impact of Prosecution Length on Infringement Outcomes in Patent Litigation

Baker Botts L.L.P. on

This article continues our analysis of over 89,000 patents to determine how the number of office actions to allowance during prosecution impacts litigation outcomes. Last month we discussed how prosecution length impacts...more

Kilpatrick

PTAB: A Provisional Application Must Provide Written Description Support for Relied Upon

Kilpatrick on

In a decision issued today, the Federal Circuit addressed the issue of whether an Examiner can rely on the filing date of a provisional application under pre-AIA 102(e) to support a rejection based on a later-filed and...more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Xencor Decision: Jepson Claims Require Written Description for Their...

Goodwin on

On March 13, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Xencor, Inc. (the Xencor decision). The Xencor decision affirms the decision of the Appeals Review Panel...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

Foley & Lardner LLP

GLP-1 Receptor Agonists and Patent Strategy: Securing Patent Protection for New Use of Old Drugs

Foley & Lardner LLP on

GLP-1 receptor agonists (GLP-1RAs) were initially approved for diabetes treatment (e.g., Ozempic®) but have revolutionized weight management (e.g., Wegovy®) and are now being explored for treating a wide range of health...more

McDonnell Boehnen Hulbert & Berghoff LLP

Immunogen, Inc. v. Stewart (Fed. Cir. 2025)

McDonnell Boehnen Hulbert & Berghoff LLP on

After creating something of a frisson due to the apprehension that the Federal Circuit might be convinced to re-evaluate whether it was a necessary element for establishing obviousness for the skilled artisan to have had a...more

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

Antedating Prior Art in Reissue and Reexamination: Part 1

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

Takeaways - - Pre-AIA patents may be able to “swear behind” prior art applied in reissue and reexamination. - “Swearing behind” has limits and obtaining sufficient evidence to establish prior invention may be difficult to...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

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

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

Alston & Bird

Intellectual Property Litigation Newsletter | February 2025

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Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that the Federal Circuit always says never, patent publications...more

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Clarifies Timing Issues Associated with Pre-AIA Patent Applications in Lynk Labs, Inc. v. Samsung...

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In this edition of The Precedent, we outline the recent federal circuit decision in Lynk Labs, Inc. v. Samsung Elecs. Co. This case addresses the date on which a pre-AIA published patent application obtains its status as...more

Hudnell Law Group

Published but not Public? Federal Circuit Confirms Published Patent Applications Count as Prior Art from Filing Date in IPRs.

Hudnell Law Group on

On January 14, 2025, the United States Court of Appeals for the Federal Circuit issued a precedential decision in Lynk Labs, Inc. v. Samsung Electronics Co., No. 23-2346 (Fed. Cir. Jan. 14, 2025), addressing whether a...more

Morgan Lewis

Federal Circuit Clarifies Secret Prior Art May Be Used in IPR Challenges

Morgan Lewis on

On January 14, 2025, the Federal Circuit in Lynk Labs Inc. v. Samsung Electronics Co. Ltd. clarified that inter partes review challenges may be “based upon published patent applications, and such published patent applications...more

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