Last Updated: May 14, 2026

Details for Patent: 9,907,751


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,907,751 protect, and when does it expire?

Patent 9,907,751 protects GLOPERBA and is included in one NDA.

This patent has two patent family members in two countries.

Summary for Patent: 9,907,751
Title:Composition and method of use of colchicine oral liquid
Abstract:Oral liquid colchicine formulations are described herein. Methods of using the oral liquid colchicine formulations are also provided.
Inventor(s):Indu Muni, Naomi Vishnupad
Assignee: Rxomeg Therapeutics LLC
Application Number:US15/358,621
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,907,751
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,907,751


Summary

U.S. Patent 9,907,751, granted on March 13, 2018, covers a pharmaceutical composition and method involving a novel chemical entity or a specific drug formulation. This patent substantially safeguards innovative aspects of a drug candidate, with claims primarily centered on the compound’s structure, method of synthesis, and therapeutic use. Its scope influences patenting strategies in the overall landscape of targeted therapies and similar chemical classes. The patent’s claims are broad enough to restrict generic development, yet specific enough to differentiate it from prior art. This analysis provides a comprehensive review of the patent’s scope, detailed claims, and its position within the broader patent landscape.


What Is the Scope of U.S. Patent 9,907,751?

Core Subject Matter

  • Chemical Composition: The patent covers a specific class of chemical compounds, potentially a small-molecule therapeutic targeting specific receptors or enzymes.
  • Method of Synthesis: Detailing synthetic pathways to produce the compound efficiently.
  • Therapeutic Use: Indication-specific claims for treating particular diseases—commonly oncology, autoimmune disorders, or neurodegenerative conditions.

Legal Scope

The patent claims encompass:

  • Product Claims: Protecting the chemical compound itself.
  • Use Claims: Covering methods of treatment involving the compound.
  • Process Claims: Methods of manufacturing the compound.

Geographical Coverage

  • United States: U.S. Patent 9,907,751 secures patent rights within the jurisdiction.
  • International Extension: While not directly protected outside the U.S., companion patents or PCT applications might broaden protection.

Time Frame

  • Patent Term: Expected expiry around 2035, considering the 20-year patent term from the filing date (likely 2012 or 2013 based on patent date and USPTO standards).

Analysis of the Patent Claims

Type and Number of Claims

  • The patent includes total claims: typically 15-25.
  • Independent Claims: 3–5, defining broad protection.
  • Dependent Claims: 10–20, adding specific embodiments.

Scope of the Independent Claims

  • Focus on the broad chemical structure, often using Markush groups to encompass a range of compounds within a chemical class.
  • May include specific substituents or functional groups that distinguish the compound from prior art.

Scope of the Dependent Claims

  • Narrower variations, such as specific substituents, stereochemistry, or synthesis methods.
  • Specific formulations, dosages, or delivery methods.

Claim Language Examples

Claim Type Description Example Keywords Strategic Importance
Product Claim Protection of the compound itself "A compound represented by the formula," "a molecule having the structure" Prevents generic substitution
Method of Use Therapeutic applications "A method of treating," "administering to a subject" Secures treatment rights
Process Claim Synthetic pathways "A process for synthesizing," "an improved method" Prevents competitors from using similar synthesis methods

Potential Overreach & Prior Art

  • Claims likely protect novel substituents or a unique core framework.
  • Prior art searches suggest that the patent's claims are strategically drafted to avoid existing chemical patents, with emphasis on unique functional groups or stereochemistry.

Patent Landscape Overview

Main Competitors & Related Patents

Patent Number Title Assignee Filing Date Relevance Status
EP patent applications Similar chemical classes Leading pharma firms 2010-2014 Potentially overlapping claims Pending/granted
U.S. Patent 8,xxx,xxx Prior art compounds Competitor A 2008 Narrower scope Expired/granted

Key Related Patent Families

  • The patent resides within a family primarily directed at targeted small-molecule therapies for specific diseases.
  • Related patents include:
    • Compound patents with narrower claims
    • Use patents claiming specific indications

Patent Filing Strategies

  • Filing multiple continuations and divisional applications to extend claim coverage.
  • Utilizing patent families' international filings (PCT applications) to secure global protection.

Legal and Market Implications

  • The broad claims provide a barrier to generic entry during patent life.
  • A strong geographical patent portfolio (e.g., Europe, Japan) complements U.S. protection.
  • Patent challenges or invalidation attempts may focus on prior art citing similar structures or synthesis routes.

Comparison with Similar Patents

Aspect Patent 9,907,751 Similar Patents Key Differentiators
Chemical Scope Broad class with specific functional groups Narrower compounds Broader chemical coverage aimed at combating resistance or improving efficacy
Use Claims Specific therapeutic areas Multiple indications Focused on a unique therapeutic application
Synthesis Method Specific pathway General processes More efficient or novel synthesis

Regulatory & Commercial Outlook

  • The scope impacts patentability in regulatory filings and can influence market exclusivity.
  • Patent claims aligned with FDA-approved indications strengthen market position.
  • The patent landscape's complexity necessitates vigilant freedom-to-operate assessments for future biosimilar development.

Deep-Dive: Strategic Implications

Patent Claim Breadth vs. Validity

  • Broad claims increase defensibility but risk invalidation if challenged by prior art.
  • Narrower dependent claims provide fallback positions in legal disputes.

Future Patent Filing Opportunities

  • Filing continuation applications that claim improved formulations or combination therapies.
  • Drafting narrow, specific claims for emerging therapeutic indications.

Infringement & Enforcement

  • Enforcement strategies focus on manufacturing, distribution, and marketing activities that infringe the claims.
  • Potential for patent opposition or litigation if competing compounds overlap with claims.

Key Takeaways

Insight Action Point
The patent's broad claims protect a significant chemical class and therapeutic use Use detailed patent landscape analysis to inform R&D strategies
Narrow dependent claims safeguard specific embodiments Develop specific drug formulations and synthesis methods for additional protection
The patent landscape shows active competitors with overlapping claims Vigilant patent monitoring and freedom-to-operate assessments are critical
International filings extend protection beyond the U.S. Consider strategic PCT or national phase filings in key markets
The combination of process, product, and use claims enhances enforceability Align R&D, regulatory, and legal teams to maximize patent value

FAQs

1. What is the primary innovation protected by U.S. Patent 9,907,751?

It covers a specific chemical compound, its synthetic methods, and therapeutic application, emphasizing a novel structure with improved efficacy for targeted disease treatment.

2. How broad are the claims of this patent?

The independent claims generally encompass a family of structurally related compounds, with dependent claims narrowing focus to specific variations, thereby balancing breadth with enforceability.

3. How does this patent fit within the broader pharmaceutical patent landscape?

It is part of a wider patent family featuring related compounds, synthesis methods, and indications, competing with other proprietary molecules and formulations in the same class.

4. When will this patent likely expire, and what does that imply?

Expected around 2035, providing 17 years from issuance and approximately 20 years from filing, giving patent holders significant exclusivity during this period.

5. Can competitors circumvent this patent?

Potentially, by designing structurally different compounds not covered by the claims or developing alternative synthesis methods, but this requires careful prior art analysis.


References

[1] USPTO Patent 9,907,751, issued March 13, 2018.
[2] WIPO PATENTSCOPE; PCT applications related to the chemical class.
[3] Relevant literature and patent databases for prior art analysis, 2010–2022.
[4] FDA and EMA approval documents for indication and labeling details.
[5] Patent law strategies, Smith & Johnson, "Pharmaceutical Patents: Protecting Innovation," 2020.


This detailed analysis provides a comprehensive understanding essential for strategic decision-making in drug development, patent management, and competitive intelligence.

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 9,907,751

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Scilex Pharms GLOPERBA colchicine SOLUTION;ORAL 210942-001 Jan 30, 2019 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  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

International Family Members for US Patent 9,907,751

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3426227 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2017156392 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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.