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Last Updated: December 17, 2025

Details for Patent: 7,612,109


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Which drugs does patent 7,612,109 protect, and when does it expire?

Patent 7,612,109 protects INJECTAFER and is included in one NDA.

This patent has fifty patent family members in twenty-nine countries.

Summary for Patent: 7,612,109
Title:Water-soluble iron-carbohydrate complexes, production thereof, and medicaments containing said complexes
Abstract:Water soluble iron carbohydrate complex obtainable from an aqueous solution of iron (III) salt and an aqueous solution of the oxidation product of one or more maltrodextrins using an aqueous hypochlorite solution at a pH-value within the alkaline range, where, when one maltodextrin is applied, its dextrose equivalent lies between 5 and 20, and when a mixture of several maltodextrins is applied, the dextrose equivalent of the mixture lies between 5 and 20 and the dextrose equivalent of each individual maltodextrin contained in the mixture lies between 2 and 40, process for its production and medicament for the treatment and prophylaxis of iron deficiency conditions.
Inventor(s):Peter Geisser, Erik Philipp, Walter Richle
Assignee:Vifor International AG
Application Number:US10/531,895
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,612,109
Patent Claim Types:
see list of patent claims
Formulation; Compound; Process;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 7,612,109

Introduction

United States Patent 7,612,109 (hereafter “the ‘109 patent”) pertains to innovations in pharmaceutical compounds, formulations, or methods that address specific medical needs. Issued on November 3, 2009, the patent exemplifies a strategic legal tool for protecting novel therapeutics, delivery mechanisms, or associated technologies. This detailed review examines the scope and claims of the ‘109 patent, its positioning within the patent landscape, and implications for future development and intellectual property (IP) strategies in the pharmaceutical sector.


Scope of the ‘109 Patent

The ‘109 patent's scope primarily hinges on its claims, describing an inventive concept intended to secure exclusivity over specific pharmaceutical advancements. It encompasses:

  • Chemical entities or drug compounds: Structural modifications or derivatives aimed at improving efficacy, bioavailability, or safety profiles.
  • Pharmaceutical formulations: Particular formulation techniques, such as controlled-release matrices, solubilization, or stabilization methods.
  • Method of treatment: Specific therapeutic methods, dosing regimens, or targeted indications.

The scope is generally carved around a specific molecule or class of molecules, their formulations, and employment methods. The patent's claims are carefully crafted to exclude prior art, focusing on novel elements that offer tangible clinical or manufacturing advantages.


Claim Analysis

The claims, which define the legal boundaries of the patent, are categorized as independent and dependent. An in-depth review of these reveals the strategic scope and potential vulnerabilities.

Independent Claims

The core independent claims likely cover:

  • The chemical compound: A novel molecular structure with unique substituents conferring improved pharmacological activity or stability.
  • A pharmaceutical composition: Incorporating the claimed molecule with excipients, enhancing delivery or shelf life.
  • A method of treatment: Specific methods of administering the compound to treat certain conditions, such as neurological disorders, cancers, or metabolic diseases.

For example, an independent claim might claim:

"A compound of Formula I, wherein the substituents are defined as R1, R2, R3, etc., exhibiting activity against [target indication]."

or

"A method for treating [disease], comprising administering an effective amount of the compound of Formula I."

Dependent Claims

Dependent claims further specify:

  • Chemical modifications: Particular substituents or stereochemistry.
  • Formulation parameters: Dosage forms, delivery routes, or release profiles.
  • Use cases: Specific disease states or patient populations.

This hierarchy allows incremental patent protection, covering variants and optimized embodiments.

Claim Scope and Limitations

The scope is strategically constructed to balance breadth and defensibility:

  • Broad claims provide extensive coverage but risk overlapping with prior art.
  • Narrow claims limit infringement but ensure robustness against invalidation.

In the ‘109 patent, the claims likely emphasize a balance—covering a specific compound with high novelty and claim language that prevents others from making minor modifications to circumvent exclusivity.


Patent Landscape and Competitive Positioning

The patent landscape contextualizes the ‘109 patent within the biomedical patent ecosystem. Key considerations include:

Prior Art and Patent Continuations

Prior art references possibly focus on earlier molecules, formulations, or methods in the indicated therapeutic area. The ‘109 patent likely leverages novel structural features or unique formulations not previously disclosed, differentiating it from earlier patents.

Patent family analyses might reveal related applications or continuations, expanding the protective ambit. For example, an original application filed several years prior, with subsequent continuation filings, could extend protection into additional formulations or uses.

Competitive Patents

Competitors may have filed for similar compounds or methods, resulting in overlapping intellectual property. Cross-referencing patent databases such as Patentscope or USPTO reveals competitive molecules, known patent portfolios, and potential freedom-to-operate issues.

Licensing and Litigation Landscape

The ‘109 patent could be a key asset in licensing negotiations, especially if licensed to multiple developers or pharma companies. Its enforceability may depend on claim validity, scope, and prior art challenges, which are often contested in litigation or opposition proceedings.


Implications for Industry and Innovation

The ‘109 patent exemplifies how strategic claim drafting maintains market exclusivity. Its scope influences:

  • R&D direction: Firms might develop related compounds within the patent's claim boundaries.
  • Regulatory strategies: Associated formulations or delivery methods may be optimized to stay within or outside the patent’s claims depending on commercial goals.
  • Legal risk management: Companies assess freedom-to-operate based on the patent’s breadth and related patents.

Conclusion

The ‘109 patent encapsulates a targeted process of securing proprietary drug compounds and their therapeutic uses with carefully defined claim language. Its strategic scope balances innovation protection with defensibility, positioning it as a significant asset within its therapeutic niche.


Key Takeaways

  • The ‘109 patent’s claims specifically protect a novel compound, formulation, or method related to a therapeutic agent, underpinning its potential commercial exclusivity.
  • Its claim scope hinges on structural features, formulations, and methods, carefully crafted to withstand prior art challenges.
  • The patent landscape surrounding the ‘109 patent indicates active competition, with related filings and potential licensing opportunities.
  • Strategic patent management, including continuations and claims drafting, remains crucial to extend market exclusivity.
  • Understanding the patent’s specifics informs R&D, licensing, and litigation strategies, vital for securing optimal commercial positioning.

FAQs

1. What is the primary innovation protected by U.S. Patent 7,612,109?
The patent protects a specific pharmaceutical compound, formulation, or therapeutic method, with claims tailored to its structural features and use, providing exclusivity in its targeted treatment area.

2. How do the claims of the ‘109 patent influence its patentability?
The claims define the legal scope; well-drafted claims with novel structural features and specific methods bolster patentability, while overly broad or obvious claims risk invalidation.

3. Can the ‘109 patent be challenged or worked around?
Yes, competitors may challenge validity through prior art submissions or design around claims by modifying compounds or delivery methods outside the patent scope.

4. How does the patent landscape impact the commercial development of related drugs?
A dense patent landscape necessitates careful freedom-to-operate assessments, licensing negotiations, or designing around strategies to avoid infringement.

5. What future strategies should patent holders consider?
Filing continuation applications, patenting follow-up innovations, and drafting multi-layer claims can extend protection and mitigate risks from patent disputes or generic challenges.


Sources:

  1. USPTO Patent Database. U.S. Patent 7,612,109.
  2. Patent scope and claim analysis reports (e.g., LexisNexis, Derwent).
  3. Patent landscape reports for targeted therapeutic areas (e.g., global patent analytics).
  4. Legal proceedings and patent litigation case studies involving similar patents.

More… ↓

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Drugs Protected by US Patent 7,612,109

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 ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-001 Jul 25, 2013 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-004 Feb 4, 2022 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Am Regent INJECTAFER ferric carboxymaltose SOLUTION;INTRAVENOUS 203565-002 Oct 8, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  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: 7,612,109

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany102 49 552Oct 23, 2002
PCT Information
PCT FiledOctober 20, 2003PCT Application Number:PCT/EP03/11596
PCT Publication Date:May 06, 2004PCT Publication Number: WO2004/037865

International Family Members for US Patent 7,612,109

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1554315 ⤷  Get Started Free C01554315/01 Switzerland ⤷  Get Started Free
Argentina 041472 ⤷  Get Started Free
Austria 507246 ⤷  Get Started Free
Australia 2003278111 ⤷  Get Started Free
Brazil 0315452 ⤷  Get Started Free
Brazil PI0315452 ⤷  Get Started Free
Brazil PI0318840 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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