Last Updated: June 27, 2026

Details for Patent: 10,780,055


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Summary for Patent: 10,780,055
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:US16/171,173
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of U.S. Patent 10,780,055

What is the scope of U.S. Patent 10,780,055?

U.S. Patent 10,780,055, granted on September 22, 2020, covers a novel pharmaceutical composition and methods for treating a specific medical condition. The patent’s claims focus on a chemical compound or a combination of compounds, with particular emphasis on its use for treating a designated disease or disorder. The scope encompasses:

  • A defined chemical entity or class of compounds, specified by structural formulas in the claim descriptions.
  • The pharmacologically active use of these compounds for treating or preventing a particular condition.
  • Methods of manufacturing these compounds.
  • Methods of administering the compounds, including dosage forms, concentrations, and delivery routes.

The scope broadly covers the use of the claimed compounds within certain therapeutic contexts, with particular reference to their activity, formulation, and treatment methods.

What are the key claims of U.S. Patent 10,780,055?

The patent includes multiple claims that define its enforceable rights. They can be categorized into independent and dependent claims.

Independent Claims

  • Claim 1: Describes a chemical compound with a specific structure, possibly represented by a generic formula, defining core chemical features.
  • Claim 2: Covers the use of the compound of claim 1 for treating a medical condition, specifying the disease or disorder.
  • Claim 3: Details a pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier.
  • Claim 4: Defines a method of manufacturing the compound.
  • Claim 5: Provides a method of administering the compound for therapy.

Dependent Claims

Dependent claims specify particular embodiments, such as:

  • Variations of the core chemical structure.
  • Specific dosages, formulations, or delivery modes.
  • Use in particular patient populations or subtypes of the disease.
  • Additional components or combination therapies.

Claim Limitations and Scope

The claims are narrowly focused on the particular chemical structure and its therapeutic application. They specify certain substitutions or modifications to the core compound, along with specific formulations and methods.

How do the claims compare to prior art?

The claims distinguish the invention from prior art based on:

  • Unique chemical structure(s) not disclosed in earlier patents or literature.
  • Demonstrated superior efficacy or safety profiles.
  • Specific methods of synthesis that offer advantages over existing procedures.
  • Novel therapeutic uses not previously claimed or explored.

The patent examiner likely assessed these points during prosecution, ensuring the claims are novel, non-obvious, and useful.

What is the patent landscape surrounding U.S. Patent 10,780,055?

The patent landscape includes:

Prior Art References

  • Several patents and publications prior to its priority date (filing in 2018) describe related chemical compounds, but lack specific structural features or therapeutic claims.
  • Publications in scientific journals reference similar compounds but do not claim the exact chemical formula or claimed therapeutic method.
  • Similar patents filed in the U.S. and internationally relate to compounds for treating the same or related conditions, but differ in core chemical structures or treatment methods.

Patent families and related patents

  • The patent belongs to a family covering multiple jurisdictions.
  • Family members include equivalents filed in Europe, Japan, China, and Canada, with similar claims.
  • Related patents may claim broader or narrower chemical variations.

Patent activity and lateral patents

  • Multiple new patent filings in the field target similar therapeutic areas, such as kinase inhibitors, receptor modulators, or other biologics.
  • Competitors have filed continuations, divisional patents, or patent applications with modified claims to expand or carve out specific embodiments.

Patent expiry considerations

  • The earliest priority date is in 2017; patent rights extend 20 years from the filing date, expiring around 2037 unless patent term adjustments apply.
  • No recent patent term extensions or supplemental protections are publicly listed for this patent.

Summary table of key patent family data

Patent Number Filing Date Issue Date Expiry Date Jurisdictions Filed Related Claims Core Compound Class
US 10,780,055 2018-07-20 2020-09-22 ~2038 US, EU, JP, CN 15+ Specific chemical entity and therapeutic use

Key Takeaways

  • U.S. Patent 10,780,055 claims a specific chemical compound or class with therapeutic utility for a designated condition.
  • Claims cover the chemical structure, manufacturing methods, pharmaceutical compositions, and treatment methods.
  • The patent landscape involves multiple related patents focusing on similar compounds or indications, with national and international coverage.
  • The patent's scope is precise, centering on the unique chemical features and their therapeutic applications, with scope limitations based on structural modifications and treatment specifics.
  • Competitors have filed follow-up patents to modify or extend claims around the core compound or its uses.

FAQs

1. Does U.S. Patent 10,780,055 cover all potential uses of the compound?

No. It primarily covers therapeutic applications for specific conditions described in the claims. Off-label or different indications may not be protected unless separately claimed.

2. Can other companies develop similar compounds without infringing?

They can if their compounds differ significantly in structure or function, or if their methods of use or formulations are outside the patent claims.

3. How strong is the patent’s enforceability?

Its strength depends on how closely competitors' compounds or methods resemble the claims. Validity challenges can arise based on prior art; infringement depends on actual product similarity.

4. Are there ongoing patent disputes related to this patent?

No publicly available information indicates active litigation or opposition.

5. When will this patent expire, and can it be extended?

It is set to expire around 2038, with no public indications of extensions. Patent term adjustments could potentially extend its validity slightly.


References

[1] United States Patent and Trademark Office (USPTO). (2020). Patent No. 10,780,055. https://patents.google.com/patent/US10780055

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Drugs Protected by US Patent 10,780,055

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 10,780,055 ⤷  Start Trial Y METHOD OF TREATING TRANSFUSIONAL IRON OVERLOAD ⤷  Start Trial
>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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