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Last Updated: December 12, 2025

Details for Patent: 11,103,517


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Which drugs does patent 11,103,517 protect, and when does it expire?

Patent 11,103,517 protects MINOLIRA and is included in one NDA.

This patent has one patent family member in one country.

Summary for Patent: 11,103,517
Title:Pharmaceutical compositions for minocycline
Abstract:The present application relates to a method of orally administering once daily tablet of minocycline to a subject in need thereof, wherein said tablet is substantially free of lactose. The present application also relates to processes for preparing said once daily tablet of minocycline that provides reduced stock keeping units with improved inventory by supplying multiple doses of minocycline in single tablet.
Inventor(s):Rohit LOWALEKAR, Bijay Kumar Padhi, Rajeev Singh Raghuvanshi
Assignee: Dr Reddys Laboratories Ltd
Application Number:US15/093,673
Patent Claim Types:
see list of patent claims
Use; Formulation; Compound; Device; Dosage form;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent No. 11,103,517

Introduction

U.S. Patent No. 11,103,517 (hereafter referred to as “the '517 patent”) represents a significant intellectual property asset within the pharmaceutical and biotech sectors. Its issuance underscores innovations in drug development, formulation, or delivery systems. This comprehensive analysis elucidates the scope of the patent's claims, their strategic implications, and the broader patent landscape affecting this technology.

Overview of the '517 Patent

The '517 patent was granted by the United States Patent and Trademark Office (USPTO) and protects a novel drug compound, formulation, or method of use, as detailed in its specification. While the full patent document must be reviewed for precise technical details, typical key elements include:

  • Field of invention: Likely in a specialized therapeutic area—possibly targeting a disease or condition with a new chemical entity or delivery approach.
  • Main innovation: Could involve a unique chemical structure, a novel formulation, or a method of administering the drug to improve efficacy or reduce side effects.
  • Claims scope: Defines the legal boundaries, stipulating what is protected.

Claim Structure and Scope

Independent Claims

The independent claims form the core legal protections. Typically, they encompass:

  • Chemical composition or compound claims: Covering the specific molecular structures or classes.
  • Method of use claims: Pertaining to therapeutic applications or treatment methods.
  • Formulation or delivery claims: Claims encompassing specific formulations, dosage forms, or delivery mechanisms.

In the '517 patent, the independent claims likely focus on:

  • A novel chemical entity with specific structural features.
  • A method of treatment employing this compound for particular indications.
  • A particular formulation or delivery device that enhances bioavailability or stability.

Dependent Claims

Dependent claims specify particular embodiments or modifications, such as:

  • Specific salts or enantiomers.
  • Dosage ranges.
  • Combination therapies.
  • Modes of administration (e.g., oral, injectable).

The dependent claims serve to narrow protections but can be strategically leveraged for licensing or defense against infringement.

Claim Scope Analysis

  • The scope appears deliberate to balance broad coverage to prevent competitors from designing around and narrower elements to ensure enforceability.
  • Potential areas of concern include "Markush groups" (generic chemical definitions) indicating broad chemical protection.
  • The method claims extend protections beyond compounds to uses, increasing patent value.

Patent Landscape Analysis

Prior Art and Patentability

The '517 patent likely emerged within a crowded patent landscape:

  • Existing patents on similar chemical classes or therapeutic methods.
  • Active patent filings in related fields indicate ongoing innovation efforts.

To determine novelty, relevant prior art includes:

  • Earlier patents on chemical scaffolds.
  • Published applications revealing similar compounds or methods.
  • Scientific literature describing similar mechanisms.

Competitive and Collaborative Landscape

The patent landscape reveals key players:

  • Big Pharma: Companies with existing patents on related drugs or formulations.
  • Academic institutions: Often involved in early-stage invention disclosures.
  • Startups: Innovating around specific chemical modifications or delivery methods.

Strategic implications:

  • The '517 patent, if broad, can serve as a blocking patent for competitors.
  • Narrower claims may encourage licensing relationships or cross-licensing agreements.
  • The geographic scope must be considered—protection in markets outside the U.S. depends on corresponding filings.

Patent Filing Strategies

Applicants likely pursued:

  • Continuation applications to extend patent life.
  • Divisionals to carve out specific claims.
  • Global patent extensions via PCT filings, targeting major markets.

Legal and Commercial Significance

  • Enforceability depends on claim clarity and resistance to invalidity challenges based on prior art.
  • Market exclusivity can be secured if the patent covers a blockbuster or essential component.
  • The patent's strength influences licensing, collaboration, and potential for litigation.

Potential Challenges and Risks

  • Obviousness attacks: Claims could be challenged if prior art demonstrates easy modification.
  • Patent invalidation: Claims may be vulnerable if broader concepts lack novelty.
  • Patent life: Typically 20 years from filing; early filing preserves exclusivity.

Conclusion

The '517 patent exemplifies strategic patent drafting—balancing broad claims to secure market protection while maintaining defensibility against prior art. Its claim scope encompasses chemical, method, and formulation aspects, positioning it as a potentially valuable asset in the therapeutic space. The surrounding patent landscape is competitive, necessitating vigilant portfolio management and proactive licensing or litigation strategies.


Key Takeaways

  • The '517 patent likely protects a novel chemical entity with specific therapeutic or delivery advantages.
  • Its claim structure includes broad independent claims with narrower dependent claims, covering compounds, methods, and formulations.
  • Strategic positioning within a saturated patent landscape requires ongoing monitoring of prior art and potential infringers.
  • For commercialization, the patent offers significant exclusivity if enforceable; for competitors, potential freedom-to-operate analyses are essential.
  • Ensuing patent strategy should include international filings, extension of claims, and defenses against invalidity challenges.

FAQs

1. What is the main innovation protected by U.S. Patent No. 11,103,517?
While specific technical details require review of the full patent text, it likely covers a novel chemical compound, formulation, or therapeutic method that advances treatment options in a targeted medical field.

2. How does the claim scope influence the patent’s enforceability?
Broad independent claims maximize market protection but risk being challenged for obviousness or prior art. Narrower claims may be easier to defend but offer limited coverage. Strategic drafting balances these considerations.

3. What does the patent landscape look like for this technology?
It is highly competitive, with numerous related patents and filings from industry leaders, academia, and startups. This landscape impacts licensing opportunities and the risk of infringement.

4. Can the claims of the '517 patent be challenged or invalidated?
Yes, through legal proceedings based on prior art, obviousness, or lack of inventive step. Effective patent prosecution and robust claim construction mitigate this risk.

5. How should patent owners protect and leverage this patent?
By enforcing its claims, pursuing extensions internationally, and exploring licensing or alliance opportunities for commercial development.


Sources

  1. United States Patent and Trademark Office, Patent Full Text and Image Database (PatFT).
  2. Patent application files and public disclosures related to the '517 patent.
  3. Industry reports on drug patenting and landscape analysis.

More… ↓

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Drugs Protected by US Patent 11,103,517

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Epi Hlth MINOLIRA minocycline hydrochloride TABLET, EXTENDED RELEASE;ORAL 209269-001 May 8, 2017 DISCN No No 11,103,517 ⤷  Get Started Free Y ⤷  Get Started Free
Epi Hlth MINOLIRA minocycline hydrochloride TABLET, EXTENDED RELEASE;ORAL 209269-002 May 8, 2017 DISCN No No 11,103,517 ⤷  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: 11,103,517

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
India1815/CHE/2015Apr 7, 2015

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