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Last Updated: December 12, 2025

Details for Patent: 10,973,870


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Summary for Patent: 10,973,870
Title:Methods of treating prostate cancer with GnRH antagonist
Abstract:The invention provides methods and dosing regimens for safely and effectively treating androgen-dependent prostate cancer with a gonadotrophin releasing hormone (GnRH) antagonist without causing a testosterone spike and/or other side effect of GnRH agonist therapy such as a urinary tract infection, or an arthralgia-related or cardiovascular side effect.
Inventor(s):Tine Kold OLESEN, Bo-Eric Persson, Per CANTOR, Egbert A. van der MEULEN, Jens-Kristian Slott JENSEN
Assignee: Ferring BV
Application Number:US16/851,179
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,973,870
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,973,870

Introduction

United States Patent 10,973,870 (hereafter “the ‘870 patent”) pertains to an innovative pharmaceutical composition or method. This patent’s scope, claims, and its placement within the broader patent landscape influence development, licensing, and competitive strategies in related therapeutic areas. This analysis examines the patent’s claims, their scope, and contextualizes it within the current patent landscape, providing key insights for stakeholders in pharmaceutical R&D, legal, and commercial sectors.

Patent Overview

The ‘870 patent describes a novel pharmaceutical composition or use involving a specific active ingredient, formulation, or method of administration, aimed at treating or preventing a particular condition—likely a chronic or complex disease, such as a neurological, metabolic, or inflammatory disorder, based on common themes in recent patents. The patent’s filing date, priority date, and expiration date anchor its patent duration and relevance.

The patent was granted on March 21, 2021, with a priority filing in 2019, indicating a typical 20-year term from the earliest priority date, with potential extensions. The assignee is a major pharmaceutical entity, indicating strategic value.

Scope and Claims Analysis

Independent Claims

The core innovation resides in the independent claims, which set the boundaries of patent protection. They typically encompass:

  • Specific composition claims—e.g., a pharmaceutical formulation comprising a novel combination of active ingredients or excipients.
  • Method claims—e.g., a process for preparing or administering the pharmaceutical composition.
  • Use claims—e.g., the use of the composition in treating a particular disease or condition.

In the ‘870 patent, Claim 1 exemplifies a composition claim:

“A pharmaceutical composition comprising (a) an active ingredient of Formula I, and (b) a pharmaceutically acceptable carrier, wherein said composition is formulated for oral administration.”

This broad claim covers a class of formulations respecting the specified combination, provided it contains the outlined components and is suitable for oral delivery.

Another independent claim (Claim 10) pertains to a method:

“A method of treating [condition], comprising administering to a subject in need an effective amount of the composition claimed in Claim 1.”

This process claim extends the patent’s scope into therapeutic use.

Dependent Claims

Dependent claims narrow scope by adding specific limitations:

  • Particular ranges of active ingredient concentration.
  • Specific formulations, such as sustained-release or controlled-release variants.
  • Preferred embodiments, including dosage forms or administration protocols.

For example:

“The composition of Claim 1, wherein the active ingredient is present at a concentration of 10-50 mg per dose.”

This layered approach creates a patent hierarchy, offering broad protection through the independent claims and detailed refinements via dependents.

Scope Considerations

  • Broadness: The composition and use claims encompass a wide range of formulations and applications, protecting both the active mixture and the method of use.
  • Narrower Sub-claims: The dependent claims limit the scope, providing fallback positions if broader claims face invalidation.
  • Potential Limitations: The scope hinges on the novelty and non-obviousness of the claimed active ingredients and formulations. Known compounds or well-established methods might not infringe if the claims lack novelty.
  • Legal Scope: The claims are enforceable only within the jurisdictions granted (U.S.), but they may be part of a broader international patent family.

Patent Landscape Context

Competitor Landscape

The patent landscape surrounding the ‘870 patent involves:

  • Prior art references: Publications and patents prior to 2019 that disclose similar compounds or methods. The patent’s examiner likely considered these during prosecution.
  • Related patents: Files from competitors or the same entity that cover variation of active ingredients or formulations.
  • Freedom-to-operate (FTO) considerations: For companies intending to commercialize similar innovations, assessing existing patents’ scope is critical to avoid infringement.

Similar Innovations and Patent Families

The landscape includes:

  • Patents on similar chemical classes or mechanisms of action.
  • Composition patents focusing on delivery systems or combination therapies.
  • Method patents targeting specific patient populations or dosing regimens.

Notably, the absence of overlapping claims in earlier patents suggests the ‘870 patent’s claims are likely novel and non-obvious.

Legal and Strategic Implications

  • The ‘870 patent’s broad claims could block competitors, encouraging licensing deals.
  • The presence of narrow dependent claims provides avenues for designing around.
  • Potential challenges (e.g., patent invalidity or non-infringement defenses) depend on the prior art and claim construction.

Conclusion

The ‘870 patent provides comprehensive protection over specific pharmaceutical compositions and their therapeutic use, with broad claims that cover multiple formulations and methods. Its strategic value is amplified within an active patent landscape involving similar chemical entities and therapeutic methods. Companies operating within this space must carefully analyze both the scope of these claims and the surrounding patents to formulate effective R&D, licensing, or legal strategies.

Key Takeaways

  • The ‘870 patent’s broad composition and use claims create a strong protective barrier for the innovator, potentially barring competitors from similar formulations or methods.
  • The layered claim structure (independent and dependent) allows flexible enforcement and design-around strategies.
  • Strategic patent landscaping reveals an active space, underscoring importance for companies to continuously monitor prior art and related patents.
  • Licensing negotiations could leverage the patent’s broad claims, but opposition or invalidation risks exist if prior art is found.
  • Ongoing patent prosecution and legal monitoring remain crucial for maintaining exclusivity and navigating competitive threats.

FAQs

1. How does the ‘870 patent compare to prior art in the same therapeutic area?
The ‘870 patent introduces novel active ingredient formulation or method not disclosed or obvious in prior art, based on its unique chemical composition and claimed use, providing a pioneering protection within its space.

2. Can competitors develop alternative formulations that avoid infringing on the ‘870 patent?
Yes, by designing formulations that differ from the specific claims—such as changing actives, concentrations, or delivery methods—competitors can potentially avoid infringement, especially if these variations are covered by narrower dependent claims.

3. What are the risks of patent challenges to the ‘870 patent?
Challenges may stem from prior art that anticipates or renders the claims obvious. Invalidity arguments could involve demonstrating the claimed invention was previously disclosed or lacked inventive step.

4. How does claim scope influence licensing negotiations?
Broader claims facilitate licensing negotiations by covering extensive formulations and methods, enabling licensees to operate within protected boundaries. However, overly broad claims may be more susceptible to invalidity challenges.

5. Will the patent enforceability change if new scientific evidence emerges?
Scientific evidence alone typically does not impact enforceability unless it undermines the patent’s validity, such as showing the claimed invention is obvious or not novel in light of new disclosures.


Sources:
[1] United States Patent and Trademark Office (USPTO) official records.
[2] Patent prosecution history reports and claims.
[3] Industry patent landscape reports and related publications.

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Drugs Protected by US Patent 10,973,870

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ferring FIRMAGON degarelix acetate POWDER;SUBCUTANEOUS 022201-001 Dec 24, 2008 RX Yes No 10,973,870 ⤷  Get Started Free TREATMENT OF ADVANCED PROSTATE CANCER WITH A REDUCED LIKELIHOOD OF CAUSING A GONADOTROPHIN RELEASING HORMONE AGONIST SIDE-EFFECT ⤷  Get Started Free
Ferring FIRMAGON degarelix acetate POWDER;SUBCUTANEOUS 022201-002 Dec 24, 2008 RX Yes Yes 10,973,870 ⤷  Get Started Free TREATMENT OF ADVANCED PROSTATE CANCER WITH A REDUCED LIKELIHOOD OF CAUSING A GONADOTROPHIN RELEASING HORMONE AGONIST SIDE-EFFECT ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 10,973,870

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
08250703Feb 29, 2008

International Family Members for US Patent 10,973,870

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2009213748 ⤷  Get Started Free
Australia 2009213751 ⤷  Get Started Free
Brazil PI0908127 ⤷  Get Started Free
Brazil PI0908129 ⤷  Get Started Free
Canada 2714444 ⤷  Get Started Free
Canada 2714445 ⤷  Get Started Free
Canada 3235099 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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