News & Analysis as of

Obviousness-Type Double Patenting (ODP)


[Webinar] Obviousness-Type Double Patenting and USPTO Proposed Rules for Terminal Disclaimers - Recent Court Treatment,...

Strafford on

This CLE webinar will guide patent counsel on obviousness-type double patenting (ODP), including the recent decisions that have relied on Cellect. The panel will also discuss the USPTO's proposed terminal disclaimer rule and...more

Mintz - Intellectual Property Viewpoints

A Typo to Remember: Erroneous Patent Number in Terminal Disclaimer Destroys Exclusive Rights

Co-authored by Sam Cohen, Summer Associate 2024. On May 29, 2024, the Western District of Oklahoma in SIPCO, LLC v. JASCO Prods. Co. dismissed the plaintiff SIPCO’s patent infringement claims against defendant JASCO because...more

McDermott Will & Emery

Cellect Your Weapon: Navigating Potential Arguments in the Aftermath of In re Cellect

McDermott Will & Emery on

In In re Cellect, 81 F.4th 1216 (Fed. Cir. 2023), the US Court of Appeals for the Federal Circuit held that a later-expiring patent can be invalid for obviousness-type double patenting (ODP) in view of an earlier-expiring,...more

Akerman LLP

Unenforceable Upon Issuance: The Patent Danger Posed by Errors in a Terminal Disclaimer

Akerman LLP on

A recent case in the Western District of Oklahoma shines a spotlight on the patent danger posed by errors in a terminal disclaimer. In this case, a typographical error in the filed terminal disclaimer rendered an ensuing...more

Foley Hoag LLP

In Re Cellect: What’s The Issue and What to Expect

Foley Hoag LLP on

What Congress has guaranteed, the courts have taken away - The Supreme Court is about to receive a Petition for Certiorari in a case that impacts how long a patent protects new inventions, we expect. Specifically, the case...more

McDonnell Boehnen Hulbert & Berghoff LLP

The USPTO's Proposed Terminal Disclaimer Rule: A Litigator's Perspective

As discussed at length in a previous post on this blog (see "USPTO Proposed Rule Change to Terminal Disclaimer Practice"), the U.S. Patent and Trademark Office has proposed amending the form of terminal disclaimer to be used...more

Neal, Gerber & Eisenberg LLP

United States Patent & Trademark Office Proposes Rule that Would Limit Patent Owner’s Enforcement Rights of Patents Subject to a...

On May 10, 2024, the United States Patent & Trademark Office (USPTO) published a proposed rule under which terminal disclaimers filed to obviate an obviousness-type double patenting (ODP) rejection would limit the patents to...more

Foley & Lardner LLP

USPTO Aims to Mow Down Patent Thickets

Foley & Lardner LLP on

In a stunning Federal Register Notice published May 10, 2024, the U.S. Patent and Trademark Office (USPTO) proposes to impose a new requirement on terminal disclaimers filed to overcome obviousness-type double patenting...more

Ballard Spahr LLP

In re Cellect Poses an Obvious Dilemma

Ballard Spahr LLP on

In August 2023, the Federal Circuit in In re Cellect held that in evaluating unpatentability for obviousness-type double patenting (ODP) of a patent that has received patent term adjustment (PTA), the relevant date is the...more

Mintz - Intellectual Property Viewpoints

A Continuation Application is an Implicit Admission of Obviousness-Type Double Patenting When Filed from a Parent Patent

Filing a continuation application from a parent patent is an implicit admission that obviousness-type double patenting (ODP) applies to the resulting continuation patent. A Terminal Disclaimer in the continuation patent over...more

McDonnell Boehnen Hulbert & Berghoff LLP

Rethinking In re Cellect and Its Consequences

The Federal Circuit's In re Cellect decision has caused a great deal of commentary and proposals to avoid its consequences, including changing prosecution strategies and filing prospective, precautionary terminal disclaimers...more

Womble Bond Dickinson

Navigating the Implications of In re Cellect: What You Need to Know About Patent Term Adjustment & Obviousness-Type Double...

Womble Bond Dickinson on

On January 19, 2024, the Court of Appeals for the Federal Circuit issued an order denying the Petition for Rehearing En Banc in the much awaited In re Cellect matter. The mandate of the court issued today....more

Jones Day

Federal Circuit Denies Petition for Rehearing En Banc Filed By Cellect, LLC

Jones Day on

The Federal Circuit denied Cellect, LLC's petition for rehearing en banc of the In re Cellect case, which held that the expiration of a patent for obviousness-type double patenting ("ODP") purposes is the expiration date...more

Venable LLP

USPTO Rejects "Contingent" Terminal Disclaimer

Venable LLP on

On January 18, 2024, the USPTO rejected a "contingent" terminal disclaimer filed by Acadia Pharmaceuticals Inc. (Acadia) for a patent it owns that is being challenged in a pending litigation as invalid for obviousness-type...more

McDonnell Boehnen Hulbert & Berghoff LLP

Living with Cellect – Three Best Practices

On Friday, January 19, 2024, the Court of Appeals for the Federal Circuit issued an Order refusing to rehear In re Cellect, LLC en banc. This likely means that the holding in In re Cellect will represent the law regarding...more

Womble Bond Dickinson

Industry Reactions to In re Cellect Decision

Womble Bond Dickinson on

An August 2023 decision from the Federal Circuit Court of Appeals highlighted potential new fragilities in the patent portfolios of many industry giants, especially those in the pharmaceutical industry....more

McDermott Will & Emery

Same Applicant, Similar Claims Support Obviousness-Type Double Patenting Rejection

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...more

Akin Gump Strauss Hauer & Feld LLP

In Wake of In re Cellect, District Court Interprets Safe Harbor Statute and Finds Patent Not Invalid for Obviousness-Type Double...

The District Court for the District of Delaware recently held on summary judgment that a patent with 2,295 days of combined patent term adjustment (PTA) and patent term extension (PTE) was not invalid for obviousness-type...more

Fish & Richardson

District of Delaware Finds Allergan Patents Invalid for Lack of Written Description and Obviousness-Type Double Patenting in...

Fish & Richardson on

On September 27, 2023, Judge Richard Andrews, following a three-day bench trial, determined that several patents asserted by Allergan against Sun Pharmaceuticals and MSN Laboratories were invalid for lack of written...more

Cooley LLP

Federal Circuit’s In re Cellect Decision Deals Blow to Patent Term Adjustment

Cooley LLP on

The US Court of Appeals for the Federal Circuit’s recent decision in In re Cellect confirmed that, when considering whether a reference patent invalidates for obviousness-type double patenting (ODP) a patent having a term...more

Venable LLP

[Ongoing Program] Life Sciences Series - Current Trends in ANDA Litigation - October 31st, 1:00 pm - 2:00 pm ET

Venable LLP on

We are excited to announce Venable’s inaugural Life Sciences Webinar Series. This month-long series will explore the intricacies and latest developments that shape the life sciences industry. Join us as we hear from our...more


Patent Poetry: Patent Term Adjustments in Double-Patenting Determinations

AEON Law on

The Federal Circuit has ruled that when members of a patent family have different expiration dates due to patent term adjustments (PTAs), the earlier-expiring patent family members can be used as a basis for an...more

MoFo Life Sciences

Patent Term Adjustment Takes A Hit In Cellect Decision

MoFo Life Sciences on

Recently, the Federal Circuit addressed a significant issue of first impression with respect to obviousness-type double patenting (ODP), holding that ODP applies to patent claims that claim priority to the same application...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Puts the Onus on Patent Owners to Disclaim Patent Term or Face Double-Patenting

On August 28, 2023, the U.S. Court of Appeals for the Federal Circuit, in In re Cellect, Appeal No. 2022-1293, evaluated for the first time how statutorily authorized patent term adjustments interact with the judge-made...more


Federal Circuit Patent Watch: Patent owner’s rights and arguments, like wakesurfing, must be fair and balanced

WilmerHale on

Precedential and Key Federal Circuit Opinions - VOLVO PENTA v. BRUNSWICK CORP. [OPINION] (2022-1765, 8/24/2023) (Moore, Lourie, and Cunningham) - Moore, Chief J. The Court vacated and remanded the Patent Trial and...more

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Privacy Officer
JD Supra, LLC
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