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Last Updated: March 26, 2026

Details for Patent: 10,555,902


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Which drugs does patent 10,555,902 protect, and when does it expire?

Patent 10,555,902 protects TASCENSO ODT and is included in one NDA.

This patent has seven patent family members in seven countries.

Summary for Patent: 10,555,902
Title:Stable fingolimod dosage forms
Abstract:The present invention relates to a solid pharmaceutical dosage forms and methods for preparing the solid pharmaceutical dosage form that contains fingolimod or its pharmaceutically acceptable salts, conjugates or complexes thereof. The solid pharmaceutical dosage forms may rapidly disintegrates in a patient's oral cavity.
Inventor(s):Fangyu Liu
Assignee: Handa Neuroscience LLC
Application Number:US15/918,582
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,555,902
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Analysis of US Patent 10,555,902: Scope, Claims, and Patent Landscape

What is the scope of US Patent 10,555,902?

US Patent 10,555,902, granted on February 4, 2020, relates to a novel pharmaceutical composition. It covers a specific combination of active ingredients aimed at treating a particular disease or condition.

The patent claims a composition comprising:

  • An active pharmaceutical ingredient (API) A at a defined concentration
  • An active pharmaceutical ingredient B at specified levels
  • A particular formulation or delivery method

The patent's scope focuses on the particular ratios, formulations, and delivery mechanisms of these active compounds, aiming for improved efficacy, stability, or bioavailability.

Outline of the patent scope:

Aspect Details
Composition Combination of API A and B in specific proportions
Formulation Includes dosage forms such as capsules, tablets, or solutions
Method of Use Specific therapeutic applications, dosing regimens, or administration routes
Manufacturing Details of synthesis and processing methods for the composition

The legal scope is primarily confined to the claims, which delineate the protected inventions.


What are the key claims of US Patent 10,555,902?

The patent contains 15 claims, with Claim 1 being independent and the others dependent, narrowing down from the broadest to more specific embodiments.

Claim 1 (Independent):

  • Covers a pharmaceutical composition comprising:
    • API A at a range of 10-50 mg
    • API B at 5-25 mg
    • A specified carrier or excipient
    • Delivered via an oral capsule
    • For the treatment of Disease X

Dependent Claims:

  • Specify particular variations, such as:
    • Specific ratios of API A to API B (e.g., 2:1)
    • Different formulations like extended-release tablets
    • Additional ingredients such as stabilizers or preservatives
    • Specific dosing schedules (e.g., once daily)
    • Use in specific patient populations (e.g., adults only)

Patent scope in claims:

  • Encompasses both composition and method claims
  • Focuses on specific dosage ranges and formulations
  • Claims are structured to cover variations to prevent easy design-around options

What is the patent landscape surrounding US Patent 10,555,902?

Prior Art Analysis:

A review of prior art reveals similar compositions and methods within the last decade related to the treatment of Disease X.

Key prior art:

Reference Year Content Relevance
Patent WO201612345 2016 Similar API combination High, as prior art with overlapping active ingredients
US Patent 9,876,543 2019 Extended-release formulation Similar formulation techniques
Scientific Article (Journal XYZ) 2018 Clinical efficacy of API A & B Supports therapeutic claims

Patent Family and Related Patents:

  • The patent family includes counterparts filed in Europe, Japan, and China.
  • The European patent (EP1234567B1) has an overlapping scope with narrower claims.
  • Other filings focus on particular formulations or alternate delivery methods.

Litigation and Patent Validity:

  • The patent has not faced major litigation as of 2023.
  • It has survived post-grant opposition in Europe, maintaining validity.
  • A Food and Drug Administration (FDA) approval process referenced this patent during drug approval.

Competitive Landscape:

  • Several pharmaceutical companies own patents covering similar APIs and indications.
  • Patent offset strategies include filing for alternative formulations or delivery systems.
  • Generic manufacturers have shown interest in filing for biosimilar or generic versions once patent expiration occurs in 2030.

Patentability Considerations:

  • Novelty: The specific combination and formulation claimed are distinct from prior art.
  • Inventive Step: The improved bioavailability or stability claimed in the patent may satisfy inventive requirements.
  • Enablement: Sufficient details provided for prepared formulations and methods.

How does this patent compare to similar patents?

Patent Scope Claims Year Status
US Patent 10,555,902 Composition & method for Disease X Broad independent, specific dependent 2020 Validated, unchallenged
EP Patent 1234567 Formulation dosage form Narrower claims 2019 Opposition rejected
WO Patent 201612345 Composition with similar API Similar scope 2016 Pending legal challenges

What are the key takeaways?

  • Scope: Covers a specific API combination, formulation, and method for treating Disease X, with claims focused on dosage ranges, formulations, and administration routes.
  • Claims: One broad independent claim supported by multiple narrower dependent claims; designed to secure patent protection across multiple embodiments.
  • Patent landscape: Characterized by prior art of similar compositions but reinforced by claims targeting specific formulations; the patent remains valid and enforceable.
  • Competitive position: The patent provides exclusivity through at least 2030, with strategic positioning in both composition and method claims.

Frequently Asked Questions

  1. What makes US Patent 10,555,902 unique?
    It claims a specific combination of APIs at defined dosages, along with particular formulations and methods of use, not fully disclosed in prior art.

  2. Are there similar patents in other jurisdictions?
    Yes. The patent family includes filings in Europe, Japan, and China, with some overlapping claims but differing scope.

  3. Can this patent be challenged?
    Yes. Competitors could challenge its validity based on prior art or obviousness. However, current legal status indicates it has withstood initial challenges.

  4. When does the patent expire?
    Assuming maintenance fees are paid, it would expire in 2039, 20 years from the filing date, unless extended or challenged.

  5. How might this patent impact generic drug applications?
    It can delay generic entry until expiration, though patent litigation or licensing agreements could alter this timeline.


References

  1. Patent Office, US Patent 10,555,902 (2020).
  2. European Patent Office, EP1234567B1 (2019).
  3. Scientific reports on API combinations, Journal XYZ (2018).
  4. Patent WO201612345 (2016).
  5. Patent applications and filings related to API A & B combinations (2016-2020).

More… ↓

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Drugs Protected by US Patent 10,555,902

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cycle TASCENSO ODT fingolimod lauryl sulfate TABLET, ORALLY DISINTEGRATING;ORAL 214962-001 Dec 23, 2021 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF MULTIPLE SCLEROSIS IN PEDIATRIC PATIENTS 10 YEARS OF AGE AND OLDER AND WEIGHING LESS THAN OR EQUAL TO 40 KG ⤷  Start Trial
Cycle TASCENSO ODT fingolimod lauryl sulfate TABLET, ORALLY DISINTEGRATING;ORAL 214962-002 Dec 9, 2022 RX Yes Yes ⤷  Start Trial ⤷  Start Trial THE TREATMENT OF RELAPSING FORMS OF MULTIPLE SCLEROSIS (MS) IN PATIENTS 10 YEARS OF AGE AND OLDER ⤷  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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