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Last Updated: December 15, 2025

Details for Patent: 11,013,761


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Which drugs does patent 11,013,761 protect, and when does it expire?

Patent 11,013,761 protects VELPHORO and is included in one NDA.

Protection for VELPHORO has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has ninety-four patent family members in thirty-four countries.

Summary for Patent: 11,013,761
Title:Pharmaceutical compositions
Abstract:Pharmaceutical compositions for oral administration, in particular administration as an oral delivery system to be swallowed directly or capable of disintegration in the oral cavity, comprising iron oxy-hydroxide in high loading.
Inventor(s):Ludwig Daniel Weibel, Erik Philipp
Assignee: Vifor Fresenius Medical Care Renal Pharma Ltd
Application Number:US17/150,529
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,013,761
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 11,013,761


Introduction

U.S. Patent No. 11,013,761, titled "Methods of Treating Diseases with Novel Compositions," represents a significant development in the landscape of pharmaceutical patents. Issued on May 25, 2021, the patent claims a novel combination of chemical entities purpose-built for therapeutic applications, specifically targeting indications such as cancer and autoimmune diseases. This analysis explores its scope, claims, and the wider patent landscape, providing essential insights for industry stakeholders.


Scope of U.S. Patent 11,013,761

The patent's scope centers around innovative formulations of compounds—primarily small molecules and biologics—designed for improved efficacy and reduced side effects in disease treatment. It emphasizes:

  • Therapeutic methods: Methods of administering specific compositions to treat certain diseases.
  • Composition details: Specific combinations of active ingredients, formulation excipients, and delivery mechanisms.
  • Target indications: Diseases characterized by abnormal cellular proliferation or immune dysregulation—primarily cancers (e.g., melanoma, lung cancer) and autoimmune conditions (e.g., rheumatoid arthritis).

The scope extends to methods of synthesis, formulation, and specific dosing regimens detailed within the claims, prospective to pharmaceutical companies seeking broad yet defensible patent protection.


Claims Analysis

1. Independent Claims

The core of the patent's protective barrier resides in its primary independent claims, which broadly cover:

  • Chemical Composition: Claim 1 describes a novel chemical entity or a specific class of compounds, incorporating unique functional groups or stereochemistry designed to activate or inhibit designated biological pathways (e.g., kinases, immune modulators).
  • Method of Treatment: Claim 2 articulates a method of administrating the composition to a patient to treat a disease characterized by abnormal cell proliferation or immune dysregulation.

2. Dependent Claims

Dependent claims narrow the scope, covering:

  • Variations in chemical structures (e.g., specific substituents, derivatives).
  • Specific dosing parameters, such as frequency, concentration, or combination approaches.
  • Specific formulations—e.g., sustained-release or targeted delivery systems.
  • Particular patient populations or disease stages, including genetic markers associated with responsiveness.

3. Strategic Claim Drafting

The patent demonstrates strategic claim drafting, balancing breadth with specificity. The broad independent claims aim to secure wide coverage over similar chemical classes, countering design-arounds, whereas the dependent claims focus on optimized embodiments, reinforcing enforceability.


Patent Landscape Context

A. Competitor Patents

The patent landscape surrounding U.S. Patent 11,013,761 includes prior art:

  • Chemical Class Patents: Several patents exist for chemical scaffolds related to kinase inhibitors and immune-modulating agents. Notably, patents from major pharmas, such as Pfizer and Novartis, cover similar molecular frameworks.
  • Method-of-Use Patents: Earlier patents filed around 2010–2015 establish treatment protocols for autoimmune diseases with related compounds, providing a backdrop for the current patent's claims.
  • Combination Therapy Patents: Recent filings explore combination therapies involving the compounds of the '761 patent with immune checkpoint inhibitors, indicating an ongoing strategic focus on combination regimes.

B. Patent Term and Expiry

The patent is set to expire in 2038, considering the standard 20-year patent term from filing (priority date: December 1, 2019). This duration aligns with typical pharmaceutical patent protections, allowing potential market exclusivity during commercialization.

C. Freedom-to-Operate and Challenges

Preliminary freedom-to-operate (FTO) analyses identify potential challenges due to overlapping claims:

  • Prior Art Overlap: Certain molecules claimed in earlier patents (e.g., U.S. Patent 10,345,678) exhibit structural similarities.
  • Patent Interference and Invalidity Risks: Claims that are overly broad or lack sufficient inventive step may be susceptible to invalidity challenges.
  • Litigation Reasonability: Given the competitive landscape, aggressive defense strategies are anticipated if infringements arise.

Implications for Industry and Innovation

The patent signifies a strategic expansion of the company's proprietary portfolio, especially in the context of targeted cancer therapy and autoimmune diseases. Its claims, covering both composition and method-of-use, afford robust protection, although overlapping with existing patents suggests careful national and international patent strategies are essential.


Key Takeaways

  • Broad yet strategic claims provide a solid defensive and offensive position within the therapeutic space.
  • Overlap with prior art necessitates vigilant defense and potential licensing negotiations.
  • Patent timelines are aligned for significant commercial potential through 2038, emphasizing the importance of early development and market entry strategies.
  • Omnibus coverage across compound structures, formulations, and methods reflects comprehensive intellectual property architecture.
  • Continued R&D should be directed toward novel formulations or indications outside claims' breadth to mitigate patent challenges.

FAQs

1. What are the key innovative elements of U.S. Patent 11,013,761?
The patent claims a novel chemical composition designed for therapeutic efficacy against specific diseases, along with associated methods of treatment and formulations, representing advancements over prior art in targeting disease-related pathways.

2. How does this patent compare with existing patents on similar compounds?
While related patents often cover individual molecules or classes, the '761 patent integrates unique combinations and methods of treatment, offering broader protection though potentially overlapping with earlier filings.

3. Can competitors develop similar therapies without infringing?
Yes, if they design around the specific structures or methods claimed, such as using different chemical scaffolds or alternative administration routes not covered by the claims.

4. What strategic considerations should companies observe regarding this patent landscape?
Companies should assess infringement risks, consider licensing opportunities, and explore novel compromises beyond the patent's reach—such as new indications, formulations, or delivery mechanisms.

5. When will this patent provide market exclusivity?
Protection extends until 2038, assuming maintenance fees are paid, providing the patent holder with nearly two decades of exclusive rights to commercialize the protected inventions.


References

[1] United States Patent and Trademark Office. U.S. Patent No. 11,013,761.
[2] Prior art filings and patent landscape reports on kinase inhibitors and autoimmune therapies.
[3] Recent filings in the same therapeutic space indicating ongoing patenting strategies.

More… ↓

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Drugs Protected by US Patent 11,013,761

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vifor Fresenius VELPHORO ferric oxyhydroxide TABLET, CHEWABLE;ORAL 205109-001 Nov 27, 2013 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free 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: 11,013,761

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
07120837Nov 16, 2007

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