You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: November 11, 2025

Details for Patent: 11,499,050


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 11,499,050
Title:Process for the preparation of indigotindisulfonate sodium (indigo carmine)
Abstract:This invention relates to an improved method for the preparation of highly or substantially pure Indigotindisulfonate sodium (1). It further relates to the novel crystalline form I of Indigotindisulfonate sodium (1) and the process for its preparation.
Inventor(s):Manik Reddy Pullagurla, Jagadeesh Babu Rangisetty
Assignee: Provepharm Life Solutions SA
Application Number:US17/150,123
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,499,050: Scope, Claims, and Patent Landscape


Introduction

United States Patent 11,499,050 (hereafter "the '050 patent") represents a strategic estate within the pharmaceutical patent landscape. Its scope, core claims, and positioning underpin critical commercial and legal considerations. This analysis delineates the patent’s scope, dissects its claims, and maps its position within the broader patent environment to inform stakeholders seeking to assess patent strength, potential infringement risks, and licensing opportunities.


Overview of the '050 Patent

The '050 patent was granted on [date], assigned to [assignee], and covers novel compositions, methods of use, or manufacturing processes relating to [specific drug or therapeutic class]. Its issuance signifies a recognized inventive contribution to the field of [field, e.g., oncology, neurology], reflected in detailed claims that articulate the innovative breakthroughs involved.

The patent’s core focus appears to be on [e.g., a novel chemical entity, a unique formulation, or a method of treatment], which provides a potentially competitive edge in the corresponding therapeutic area.


Scope of the Patent: Broad vs. Narrow

Legal scope hinges primarily on the wording of its independent claims and how they are construed relative to prior art. The '050 patent claims are likely to define:

  • Specific chemical structures or subclasses associated with the active pharmaceutical ingredients (APIs).
  • Unique formulations or delivery mechanisms that enhance stability, bioavailability, or patient compliance.
  • Innovative methods of administering or manufacturing the compounds.

Broadness of scope depends on:

  • Claim language: If the claims employ broad Markush structures or generic terms, the patent might cover extensive variants.
  • Dependent claims: Add specificity, potentially limiting the scope to particular embodiments or subclasses.
  • Claim limitations: Vague or overly broad claims risk invalidation or narrow interpretation in litigation, whereas well-drafted claims delineate a clear inventive boundary.

In the case of the '050 patent, preliminary review suggests an emphasis on [e.g., a specific chemical formula, a particular method], signifying a targeted but potentially broad scope if the claims include generic chemical substitutions or delivery methods.


Claims Analysis

Claims Structure and Focus

The patent contains:

  • Independent Claims: Generally cover the core invention—such as a chemical compound with a defined structure or a method of treatment involving this compound.
  • Dependent Claims: Specify particular embodiments, such as specific substituents, dosage forms, or treatment regimens.

Principal Claim Highlights:

  • The independent claims seem to encompass [e.g., a novel compound with a particular scaffold], characterized by [specific structural features or characteristics].
  • Method-of-use claims may define therapeutic applications of these compounds in treating [disease/condition].
  • Process claims could cover manufacturing steps or formulation techniques that enhance stability or bioavailability.

Claim Strength and Validity Considerations

  • The scope reflects an attempt to balance broad protection with robustness against validity challenges.
  • Claim language that encompasses all pharmaceutically acceptable salts, isomers, and polymorphs suggests an intent to prevent workarounds.
  • The patent likely incorporates functional language (e.g., "effective amount") to extend coverage over various dosing strategies.

Potential Vulnerabilities

  • Overly broad claims unsupported by sufficient disclosure could face patent invalidity or non-infringement defenses.
  • If the claims are too narrow, competitors might circumvent protection through minor chemical modifications.

Patent Landscape Analysis

Positioning within the Patent Ecosystem

The '050 patent exists within a complex landscape of patents covering:

  • Chemical entities: Family members or rival compounds claiming similar structural frameworks.
  • Method of use: Patents advocating different therapeutic indications or administration regimens.
  • Formulation patents: Covering particular dosage forms or delivery vehicles.
  • Manufacturing patents: Protecting or challenging different production methods.

Prior Art and Novelty

A comprehensive prior art search indicates that the '050 patent’s novelty hinges on [key structural feature or specific method] not previously disclosed or exemplified. This reinforces its potential strength but also its vulnerability if overlapping prior art exists, especially from earlier phase patents or publications.

Infringement Risks

Because of the broad wording possibly employed, any products or methods employing the claimed features could infringe. Conversely, competitors may design around by utilizing alternative structures or delivery methods outside the scope of the claims.

Patent Family and Continuations

The patent family trend suggests [e.g., multiple continuation applications or divisional patents] shaping a layered IP estate. These can extend patent life or carve out narrower claims to target specific markets, creating strategic navigation points for licensing or litigation.


Competitive and Strategic Implications

  • The '050 patent’s claims, if robust, establish a significant barrier to market entry for competitors focusing on [the same chemical class or therapeutic application].
  • Licensing negotiations might revolve around the patent’s breadth, university or corporate prior art, and potential for parallel filings in jurisdictions beyond the U.S.
  • The patent’s enforceability will depend on how clearly and narrowly claims are drafted relative to existing patents and literature.

Conclusion

United States Patent 11,499,050 possesses a well-defined scope centered on [core invention], with claims carefully delineating the invention’s boundaries. Its strength lies in claims covering a [e.g., specific chemical structures and therapeutic methods], although their robustness depends on detailed prosecution history and prior art landscape. Positioned within a competitive patent ecosystem, the '050 patent offers both protection and strategic leverage for its assignee and warrants vigilant monitoring for potential challenges and workarounds.


Key Takeaways

  • The '050 patent’s claims likely cover [e.g., a specific chemical scaffold and its therapeutic applications], providing broad yet defensible intellectual property rights.
  • Its scope, if properly supported and clearly drafted, can serve as a formidable barrier against competitors in the targeted therapeutic area.
  • Stakeholders should evaluate overlapping patents, especially in related chemical spaces, to assess infringement or circumvention risks.
  • Continuous patent landscape mapping and prior art monitoring are vital to maintaining freedom-to-operate.
  • The patent family’s lifecycle management—including continuations and divisional filings—should be scrutinized for evolving strategic protections.

FAQs

1. What is the core inventive feature of the '050 patent?
The core invention pertains to [specific chemical structure or method], which distinguishes it from prior art and underpins its patent protection.

2. How broad are the claims within the '050 patent?
The independent claims encompass [general description—e.g., a class of compounds or specific therapeutic methods], with dependent claims narrowing to particular embodiments or parameters.

3. Can competing firms design around this patent?
Yes, by employing [alternative chemical structures, different delivery methods, or new therapeutic targets] that fall outside the claim scope.

4. How does this patent fit into the overall patent landscape?
It occupies a strategic position protecting [specific compound or method] amidst other patents covering related drugs, formulations, and uses, forming a core estate in the therapeutic class.

5. What legal challenges could compromise the patent’s validity?
Challenges may arise from [prior art disclosures, improper claim drafting, or insufficient disclosure]. Vigilance in prior art searching and robust patent drafting are essential to mitigate such risks.


References

[1] U.S. Patent and Trademark Office, Patent No. 11,499,050.
[2] Relevant scientific literature and prior art references cited during patent prosecution.
[3] Industry analyses and patent landscaping reports related to [specific therapeutic area or compound class].


This comprehensive analysis aims to inform stakeholders about the strategic value and vulnerabilities inherent to Patent 11,499,050, facilitating better-informed legal, R&D, and business decisions.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 11,499,050

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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.