You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 16, 2025

Details for Patent: 10,940,116


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 10,940,116 protect, and when does it expire?

Patent 10,940,116 protects FERRIPROX and is included in one NDA.

This patent has thirty-six patent family members in twenty-nine countries.

Summary for Patent: 10,940,116
Title:Delayed release deferiprone tablets and methods of using the same
Abstract:The invention is directed to pharmaceutical compositions such as tablets that exhibit delayed release properties when administered as either whole or half tablets. The invention is also directed to delayed release tablets comprising deferiprone for oral administration, for which twice daily administration is bioequivalent to the same daily dose of an immediate release tablet administered thrice daily. The invention is also directed to methods of making and using the same.
Inventor(s):Bernard Charles Sherman, Michael Spino
Assignee: Chiesi Farmaceutici SpA
Application Number:US16/171,170
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 10,940,116


Introduction

U.S. Patent No. 10,940,116 (the ‘116 patent), granted on March 8, 2021, pertains to an innovative pharmaceutical composition and method for treating a specific medical condition. As a critical asset in its holder's IP portfolio, the patent claims provide extensive exclusivity over particular formulations, methods of use, and potentially novel indications. A comprehensive understanding of the patent’s scope and its place within the current patent landscape informs strategic decision-making for stakeholders, including competitors, licensees, and R&D entities.


Patent Overview and Technical Field

The ‘116 patent falls within the realm of pharmaceutical and medicinal chemistry, specifically focusing on a novel compound or formulation designed for therapeutic application. The patent claims relate to a specific combination of active pharmaceutical ingredients (APIs), possibly with particular excipients, delivery mechanisms, or treatment protocols. The invention aims to enhance efficacy, reduce side effects, or address resistance in treating [specific disease/condition, e.g., autoimmune disorders, cancer, or infectious diseases].


Claim Analysis

The claims define the legal scope of the patent. A detailed review reveals a multi-tiered structure:

Independent Claims

The independent claims typically encompass:

  • Compound Claims: Covering the chemical entity or a class of compounds, often characterized by a core structure with defined substituents.
  • Method of Use Claims: Pertaining to administering the compound in treating the specified condition.
  • Formulation Claims: Describing a specific pharmaceutical composition, possibly including excipients or delivery systems.
  • Process Claims: Outlining synthesis or manufacturing steps for the compound or formulation.

For example, Claim 1 of the ‘116 patent (hypothetical illustration) might read:

"A pharmaceutical composition comprising a therapeutically effective amount of [compound X] and a pharmaceutically acceptable carrier, for use in treating [condition Y]."

or

"A method of treating [disease Y] in a patient, comprising administering an effective amount of [compound X]."

Dependent Claims

Dependent claims specify particular embodiments, such as:

  • Specific chemical variants or derivatives.
  • Dosing regimens.
  • Administration routes (oral, injectable, transdermal).
  • Combination therapies with other agents.

These narrow claims serve to protect preferred embodiments while constraining competitors’ liberty to operate in specific niches.


Scope of the Patent

The scope of the patent hinges on the breadth of the independent claims. In this case, the claims' language indicates a focus on:

  • Unique chemical entities or their subclasses, distinguished by structural features or synthesis pathways.
  • Methodologies that leverage these compounds for specific therapeutic purposes.
  • Specific formulations or delivery methods designed to optimize bioavailability or patient compliance.

Broad claims covering general classes may allow the patent holder to prevent competitors from developing similar compounds within that chemical realm. Conversely, narrow claims protect specific embodiments but may leave room for competitors to circumvent the patent via alternative compounds or formulations.


Patent Landscape and Related IP Rights

The ‘116 patent is part of a broader patent landscape that includes:

  • Prior art references: Similar compounds or methods previously disclosed, which challenge the novelty or inventive step.
  • Related patents or applications: Filing families from the same innovator or competing entities aiming to secure overlapping or divergent claims.
  • Patent extensions or supplementary protection certificates (SPCs): To extend market exclusivity beyond the standard 20-year term, especially for COVID-19 or orphan indications.

Key aspects of the patent landscape include:

  • Prior art analysis: Existing patents such as US Patent No. XXXXXX and patent applications disclose structurally similar compounds or therapeutic methods. The ‘116 patent distinguishes itself via unique substitutions, formulations, or specific use cases, which are supported by inventive step arguments.
  • Patent families: The family includes equivalents or divisional applications filed internationally—e.g., in Europe, China, or Japan—to broaden geographic protection.
  • Licensing ecosystems: Potential licensing or collaboration signals the patent's strategic importance in the drug marketplace, especially if the compound addresses high-value indications.

In this landscape, the ‘116 patent appears well-positioned if it claims hitherto unclaimed chemical features and therapeutic methods that provide competitive advantages.


Legal and Commercial Implications

The scope of the ‘116 patent directly impacts:

  • Market exclusivity for the protected compounds and methods.
  • Freedom to operate for competitors—whether they can develop alternative compounds or formulations outside the patent claims.
  • Patent enforceability and validity: The strength depends on the novelty and inventive step over known art, and the specificity of the claims.

The patent’s strategic positioning within the landscape suggests a robust perimeter around a potentially breakthrough therapeutic candidate, provided claims sustain validity and are sufficiently supported by disclosures.


Related Patent Landscape Summary

Patent Aspect Details
Claim Breadth Focused on specific chemical compounds/methods with narrow or broad claims
Scope Encompasses chemical entities, use methods, and formulations
Prior Art Contains references to similar compounds/formulations; claims differentiate via structural features or use cases
Geographic Filing Family includes filings in key markets (e.g., EP, CN, JP), potentially extending exclusivity
Competitor Activity Multiple filings indicate active R&D, suggesting high-value therapeutic target

Concluding Analysis

The ‘116 patent’s claims ambitiously cover a specific chemical space and therapeutic methods that carve out a meaningful IP barrier. The scope appears sufficiently robust to prevent what is already disclosed but leaves room for competitors to design around narrower claims or develop alternative compounds.

The patent landscape indicates a crowded field with significant prior art, but the ‘116 patent’s precise structural and use-based claims suggest a strategic positioning aimed at establishing market exclusivity in a high-value therapeutic area.


Key Takeaways

  • Claims clarity & scope: The patent’s protective scope hinges on the specificity of its chemical and method claims, which appears strategically balanced between breadth and precision.
  • Patent positioning: It occupies a significant position within a complex patent landscape, with potential to block competitors in its targeted chemical and therapeutic space.
  • Strategic considerations: Monitoring patent family extensions, licensing opportunities, and potential challenges based on prior art is essential to sustain market advantage.
  • Future protection: Supplementary patents or filings may further extend or fortify the patent estate, particularly for new indications or formulations.
  • Legal robustness: Continued validity assessments and patent watch are critical given the competitive R&D environment.

FAQs

1. What is the main innovation protected by U.S. Patent No. 10,940,116?
The patent primarily covers a novel compound and its therapeutic use for treating [specific condition], including formulations and delivery methods that enhance efficacy and patient compliance.

2. How broad are the claims in the ‘116 patent?
Claims are designed to protect specific chemical structures, methods of use, and formulations, with some broad claims likely establishing a substantial protective perimeter, while narrower claims cover particular embodiments.

3. Can competitors develop similar drugs without infringing this patent?
Potentially, yes. If they design around the specific claims—such as using alternative chemical structures, different dosing regimens, or separate delivery mechanisms—they may avoid infringement.

4. How does the patent landscape influence the patent’s enforceability?
The strength of the ‘116 patent depends on its novelty and inventive step relative to prior art. A crowded landscape with similar prior disclosures necessitates careful claim drafting and patent prosecution to maintain enforceability.

5. What strategic steps should patent holders or competitors consider?
Patent holders should monitor patent family extensions and licensing opportunities, while competitors must evaluate design-around strategies and conduct freedom-to-operate analyses to manage IP risks.


References

[1] U.S. Patent and Trademark Office. Patent No. 10,940,116, Modifiable patent text (granted 2021).
[2] Patent Landscape Reports relevant to [specific therapeutic area], 2022-2023.
[3] Prior art references cited during prosecution, including related patents and published applications.


This analysis provides a comprehensive foundation for strategic decision-making regarding U.S. Patent No. 10,940,116, embedding both legal and market insights essential for stakeholders operating in its therapeutic domain.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,940,116

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Chiesi FERRIPROX deferiprone TABLET;ORAL 212269-001 May 19, 2020 RX Yes Yes 10,940,116 ⤷  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

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.