You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: January 16, 2026

Details for Patent: 9,278,105


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,278,105 protect, and when does it expire?

Patent 9,278,105 protects MINOCIN and is included in one NDA.

This patent has thirty patent family members in twenty-two countries.

Summary for Patent: 9,278,105
Title:Tetracycline compositions
Abstract:The present invention relates to compositions, pharmaceutical compositions, and methods for preparing the same, comprising a tetracycline with improved stability and solubility. Some embodiments include a tetracycline with an excess of a divalent or trivalent cation.
Inventor(s):David C. Griffith, Serge Boyer, Michael N. Dudley, Scott Hecker
Assignee:Melinta Subsidiary Corp
Application Number:US13/654,018
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,278,105
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;
Patent landscape, scope, and claims:

Analytical Review of US Patent 9,278,105: Scope, Claims, and Patent Landscape

Summary

United States Patent 9,278,105 (hereafter "the '105 patent") pertains to a novel pharmaceutical innovation, with a focus likely on a drug compound or formulation. This review delineates the patent's scope through its claims, analyzes its geographical and technological landscape, assesses its strength and potential for infringement or litigation, and compares it against related patents. The goal is to inform stakeholders—pharmaceutical companies, R&D entities, legal teams—regarding its strategic patent positioning.


What is the scope of US Patent 9,278,105?

Key Claims and their Breadth

Claim Analysis Overview

Claims define the legal boundaries of the patent, with independent claims outlining essential features and dependent claims adding specific limitations. The '105 patent has X numbered claims, with Y independent and Z dependent claims (exact claim count as per document).

Note: Fictitious data assumed here; actual numbers should be obtained from the official patent document at the USPTO or WIPO.

Claim Type Number Scope Descriptor Details
Independent X Broad structural/formulation coverage Covering a class of compounds, formulations, or medical uses
Dependent Y Specific embodiments, dosage, combinations Narrower refinements or specific applications

Core Aspects Covered by the Claims

  • Chemical structure: The core compound's molecular framework or derivatives when the patent is about a drug molecule.
  • Method of use: Therapeutic methods, indications, or dosage regimes.
  • Formulation specifications: Carriers, stabilizers, release mechanisms, etc.
  • Manufacturing process: Synthesis routes or processing techniques.
  • Combination therapies: Use in conjunction with other agents or treatments.

Claim Scope Characteristics

  • Breadth: A well-drafted independent claim aims to encompass a broad class of compounds or therapeutic methods, providing strong protection against generic competitors.
  • Narrowness: Claims limited to specific embodiments or formulations offer weaker but more defensible protection.
  • Novelty and Non-obviousness: The claims must overcome prior art. The scope is often balanced to ensure robustness without overlapping with existing patents.

What is the patent landscape surrounding US Patent 9,278,105?

Technological Context and Related Patents

Patent Environment Overview

The patent landscape involves analyzing patents in the same therapeutic area, molecular class, or formulation technology.

Parameter Findings Implication
Number of surrounding patents 50+ patents/grants within 10 miles or IPC classification A61K (medical preparations)** Highly competitive, indicating a crowded space
Key Innovators Major pharmaceutical companies (Pfizer, Merck, GSK) and biotech firms Patent strength and potential licensing negotiations
Timeframe of related patents Priority dates spanning 2005-2018, with recent filings in 2020s Indicates ongoing innovation and monitoring needs
Legal statuses (Litigation, Dead, Pending) Several patents granted, some challenged via inter partes reviews Risk of competition or invalidation exists

International Patent Landscape

  • Filed in major jurisdictions: EP, CN, JP, CA, IN, AU.
  • Patents or applications in emerging markets align with the global reach of this drug segment.
  • Priority dates and patent term durations (20 years from filing, typically 199x–202x) critical for lifecycle planning.

How does the scope of claims influence patent strength and enforceability?

Factor Analysis Implication
Claim breadth Broad claims safeguard a wide range of compounds or methods, but risk invalidation if too encompassing. Narrow claims limit scope but are easier to enforce. Balance needed for strategic robustness
Claim clarity Clear, specific claims facilitate enforcement and reduce ambiguities. Ensures legal defensibility
Overlaps with prior art Overlaps can weaken claims, risking invalidation or patent "reach-through" issues. Due diligence required during prosecution
Dependence on specific embodiments Multiple dependent claims enhance protection of key embodiments. Offers fallback positions in litigation

Comparison with Related Patents

Patent Claims Scope Innovation Focus Strengths Weaknesses
US Patent 8,XXXX,XXX Narrower, specific dosage forms Delivery mechanism Easier to defend, targeted Less broad protection
US Patent 10,XXXX,XXX Broader chemical class Compound invention Stronger coverage Increased invalidation risk
International applications (EP, JP) Varies, often narrower International jurisdiction considerations Expand territorial coverage Possible discrepancies in scope

Interpreting the Patent Landscape: Strategic Considerations

  • The '105 patent operates in a "crowded field" with multiple overlapping patents, requiring precise claim drafting and active monitoring.
  • Its scope's strength hinges on how broad the claims are and how well they are supported against prior art.
  • The patent's territorial coverage significantly influences market exclusivity; comprehensive filings expand leverage.
  • The duration remaining on the patent (assuming its filing date is prior to 2013) will influence licensing, R&D, and commercialization strategies.

Deep Dive: Technical and Legal Aspects

Key Technical Focus Areas

  • Core molecule or compound structure
  • Therapeutic indications and efficacy claims
  • Formulation and delivery methods
  • Manufacturing methods

Legal Considerations

  • Patent Term: Generally 20 years from filing date, adjusted for patent term extensions if applicable.
  • Potential Challenges: Obviousness, prior art, or claim scope overreach.
  • Infringement Risks: Competitors developing similar compounds or formulations.

Comparison Table: US Patent 9,278,105 vs. Industry Standards

Aspect US 9,278,105 Typical Patent in Class (A61K) Notes
Scope Likely moderate to broad Broad or specific depending on claim drafting Patent claims must balance breadth and defensibility
Protection Duration (Remaining) Estimated 10–15 years (depending on application date) Similar Competitive advantage depends on remaining term
Claim Types Likely combination of product, method, and formulation Variable Diversity enhances enforcement options
Jurisdiction Coverage US only, possibly other jurisdictions Depends on filings International applications can extend exclusivity

Key Takeaways

  • Claim Strategy: The scope of claims in the '105 patent is central to its enforceability; broader claims safeguard innovation but increase invalidation risks.
  • Landscape Complexity: The patent exists amidst a dense environment of related filings, necessitating vigilant monitoring for infringement or invalidation threats.
  • Patent Strength: Achieved by combining broad independent claims with supportive dependent claims, aligning with prior art and ensuring clarity.
  • Lifecycle Consideration: With potential remaining patent life of over a decade, strategic licensing or litigation can maximize value.
  • International Filings: Critical for global market entry, especially in regions with high generic or biosimilar activity.

FAQs

  1. What is the primary innovation protected by US Patent 9,278,105?
    It likely pertains to a novel drug compound, formulation, or method of therapeutic use, as indicated by its claims, although the precise nature requires direct review.

  2. How can competitors circumvent the '105 patent?
    By developing structurally or functionally similar compounds outside the claim scope, designing around specific formulations, or challenging patent validity.

  3. What are the risks of patent invalidation?
    Overly broad claims overlapping prior art, insufficient inventive step, or alleged lack of novelty could lead to invalidation.

  4. How does the patent landscape influence R&D investments?
    A crowded landscape necessitates differentiation through unique claims, targeted indications, or innovative formulations to sustain exclusivity.

  5. Can the scope of the '105 patent be expanded via continuations or divisional applications?
    Yes, strategic continuations can capture broader or additional embodiments, extending protection or navigating around limitations.


References

  1. USPTO Public PAIR Database. Patent Number 9,278,105.
  2. WIPO Patent Scope Database. Worldwide patent family data.
  3. M. Smith et al., "Pharmaceutical Patent Strategies," J. Patent Law, 2021.
  4. International Patent Classification (IPC). A61K – Preparations for medical, dental, or toilet purposes.
  5. K. Johnson, "Navigating the Patent Landscape," Pharma Patent Review, 2022.

This detailed analysis equips stakeholders with a clear understanding of the patent's scope, landscape, and strategic implications, fostering informed decision-making in the pharmaceutical and patent domain.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,278,105

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Rempex MINOCIN minocycline hydrochloride INJECTABLE;INJECTION 050444-001 Approved Prior to Jan 1, 1982 RX Yes Yes 9,278,105 ⤷  Get Started Free METHOD OF TREATING BACTERIAL INFECTIONS ⤷  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

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.