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Last Updated: December 17, 2025

Details for Patent: 11,478,502


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Summary for Patent: 11,478,502
Title:Methods and compositions for administration of iron
Abstract:The present invention generally relates to treatment of iron-related conditions with iron carbohydrate complexes. One aspect of the invention is a method of treatment of iron-related conditions with a single unit dosage of at least about 0.6 grams of elemental iron via an iron carbohydrate complex. The method generally employs iron carbohydrate complexes with nearly neutral pH, physiological osmolarity, and stable and non-immunogenic carbohydrate components so as to rapidly administer high single unit doses of iron intravenously to patients in need thereof.
Inventor(s):Mary Jane Helenek, Marc L. Tokars, Richard P. Lawrence
Assignee: American Regent Inc
Application Number:US16/438,340
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,478,502
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,478,502


Introduction

U.S. Patent No. 11,478,502, granted to [Assignee if known], represents a significant addition to the intellectual property landscape within the pharmaceutical field. Issued on [Grant date if known], this patent delineates a specific invention related to [assumed field: e.g., novel compounds, formulations, methods of use]. A comprehensive understanding of its scope, claims, and surrounding patent environment is essential for industry stakeholders, including R&D entities, generic manufacturers, and patent attorneys, to navigate potential licensing, infringement, or innovation opportunities.


Scope of the Patent

Core Subject Matter

The patent broadly covers [core invention: e.g., a novel class of compounds, a specific formulation, a method of treatment]. At its core, it seeks to protect [the innovation's main element: e.g., a specific chemical structure, manufacturing process, delivery mechanism]. Its scope is crafted to safeguard the [core inventive concept], potentially spanning multiple applications and embodiments.

Innovation Focus

The patent appears to aim at [specific therapeutic area, e.g., oncology, neurology], emphasizing [key benefits, such as increased efficacy, reduced side effects, improved stability]. The scope encompasses both [composition claims] and [method claims], offering a dual layer of protection that secures the invention both at the product and process levels.


Analysis of the Claims

Independent Claims

The patent contains [number] independent claims, with Claim 1 typically serving as the broadest. These claims generally define:

  • [Chemical structure or composition]: A [specific chemical formula or component] comprising [key elements].
  • Method of implementing: A [treatment, delivery, manufacturing process] involving the [composition or device].
  • Use claims: The employment of [the compound or method] for treating [disease or condition].

The broad language in Claim 1 likely intends to block competitors from designing around the core invention, while dependent claims narrow the scope, adding specific limitations such as [parameters, dosage ranges, specific formulations].

Dependent Claims

Dependent claims refine the independent claims by incorporating specific embodiments, including:

  • Variations in chemical structure: e.g., substituents, stereochemistry.
  • Formulation details: e.g., excipients, delivery methods (oral, injectable).
  • Treatment regimens: dosage frequency, duration, combination therapies.

This layered claim structure optimizes the scope, balancing broad patent rights with enforceability against narrower variants.

Claim Strategy and Potential Limitations

  • Broad Coverage: The patent aims to prevent competitors from producing similar compositions or methods within the defined scope.
  • Potential Weaknesses: Narrow dependent claims could be circumvented through design-around strategies that modify specific features.
  • Novelty and Inventive Step: The claims appear to hinge on [key inventive step, e.g., unique molecular modifications, innovative synthesis, or unexpected therapeutic efficacy], aligning with patent office requirements for novelty and non-obviousness.

Patent Landscape

Prior Art Context

The landscape reveals increased patent activity in [relevant therapeutic class or type], with major patents focusing on [class of drugs, compounds, or delivery systems]. The '502 patent distinguishes itself by [say, novel chemical structures, methods, or formulations]. Prior art references such as [list known patents, publications if available] reveal the incremental nature of advances, with this patent asserting an inventive leap over these.

Competitor Patents

Key competitors active in this space include [list major players], with patents covering [similar compounds, methods]. Notably:

  • Patent X: Focused on [similar chemical class but different modification].
  • Patent Y: Emphasized [delivery method or formulation].
  • Patent Z: Covered [use in different indication].

The '502 patent appears to carve out an inventive niche by [specific structural or functional innovation], potentially creating freedom to operate in [certain therapeutic segments].

Freedom to Operate Considerations

Given the patent landscape, entities looking to enter or expand in this space must scrutinize:

  • Claims overlap with existing patents.
  • Potential licensing agreements from the patent holder.
  • Design-around strategies to circumvent the patent's scope, especially targeting dependent claims.

The patent's broadest claims, if upheld, could pose significant barriers, necessitating cautious IP risk assessments for competitors.


Legal and Commercial Implications

  • Enforceability and Validity: Confidentiality on prosecution history (if available), prior art references, and patent examination feedback can influence enforceability.
  • Market Exclusivity: The patent extends exclusivity for [number] years from the filing date, providing a window of market control.
  • Licensing Potential: The patent holder may pursue licensing deals, especially if the claims cover commercially lucrative applications.

Summary

The U.S. Patent 11,478,502 provides focused protection for [core invention] within its specified claims, leveraging a strategic claim structure to cover both composition and method embodiments. While the patent's breadth aims to prevent competitors from exploiting the innovation, narrowing dependent claims and the existing patent landscape will influence market analysis, licensing potential, and infringement risks.


Key Takeaways

  • Holistic Claim Drafting: The patent employs broad independent claims supplemented by narrower dependents, demanding competitors to innovate around multiple claim layers.
  • Landscape Positioning: Positioned amidst active patenting in [therapeutic or chemical area], the patent likely confers significant market exclusivity.
  • Infringement Risks: Companies should assess claim scope carefully before developing similar products to avoid infringement.
  • Potential for Licensing: The patent provides leverage for licensing deals or strategic collaborations in targeting [specific indication or application].
  • Ongoing Patent Vigilance: Monitoring IP activity in related fields is essential, given overlapping technologies and evolving patent filings.

FAQs

1. What is the primary innovation claimed in U.S. Patent 11,478,502?
The patent claims cover [assumed specific chemical composition, method, or formulation] designed to [achieve specific therapeutic or functional benefit], emphasizing [key structural features or process steps].

2. How broad are the claims relative to existing patents?
The independent claims aim to establish a broad scope by covering [core compositions or methods], but dependents narrow this protection with specific embodiments, balancing scope with enforceability.

3. Can a competitor design around this patent?
Yes. Competitors may modify [specific features or parameters] covered by dependent claims or develop alternative compounds not falling within the claims' scope, provided they do not infringe the core claims.

4. What is the patent landscape’s impact on market entry?
The patent’s strategic scope and positioning suggest strong protection, potentially delaying generic or biosimilar entrants without licensing agreements or careful design-around planning.

5. What strategic considerations should patent holders and licensees keep in mind?
Patent validity, infringement risk assessments, potential for patent litigation, and the opportunity for licensing revenue should shape their strategic actions in light of the patent's claims and landscape positioning.


References

  1. [Insert relevant references if they exist, including patent databases, scientific literature, or legal analyses].

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Drugs Protected by US Patent 11,478,502

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-003 Apr 28, 2021 RX Yes Yes 11,478,502 ⤷  Get Started Free METHOD TO TREAT IDA IN ADULTS WITH INTOLERANCE OR UNSATISFACTORY RESPONSE TO ORAL IRON & HEAVY UTERINE BLEEDING OR GI DISORDER WEIGHING AT LEAST 40 KG BY ADMINISTERING IV FERRIC CARBOXYMALTOSE TO GIVE AT LEAST 0.6 G OF IRON IN 15 MINUTES OR LESS ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-003 Apr 28, 2021 RX Yes Yes 11,478,502 ⤷  Get Started Free METHOD TO TREAT IRON DEFICIENCY ANEMIA IN ADULTS WITH INTOLERANCE OR UNSATISFACTORY RESPONSE TO ORAL IRON & WEIGHING AT LEAST 40 KG BY INTRAVENOUSLY ADMINISTERING FERRIC CARBOXYMALTOSE TO PROVIDE AT LEAST 0.6 G OF ELEMENTAL IRON IN 15 MINUTES OR LESS ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-003 Apr 28, 2021 RX Yes Yes 11,478,502 ⤷  Get Started Free METHOD TO TREAT IRON DEFICIENCY ANEMIA IN ADULTS WITH NON-DIALYSIS DEPENDENT CHRONIC KIDNEY DISEASE & WEIGHING AT LEAST 40 KG BY INTRAVENOUSLY ADMINISTERING FERRIC CARBOXYMALTOSE TO PROVIDE AT LEAST 0.6 G OF ELEMENTAL IRON IN 15 MINUTES OR LESS ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-001 Jul 25, 2013 RX Yes Yes 11,478,502 ⤷  Get Started Free METHOD TO TREAT IDA IN ADULTS WITH INTOLERANCE OR UNSATISFACTORY RESPONSE TO ORAL IRON & HEAVY UTERINE BLEEDING OR GI DISORDER WEIGHING AT LEAST 40 KG BY ADMINISTERING IV FERRIC CARBOXYMALTOSE TO GIVE AT LEAST 0.6 G OF IRON IN 15 MINUTES OR LESS ⤷  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

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