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Last Updated: December 15, 2025

Details for Patent: 9,132,071


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Which drugs does patent 9,132,071 protect, and when does it expire?

Patent 9,132,071 protects VERKAZIA and is included in one NDA.

This patent has forty-four patent family members in eighteen countries.

Summary for Patent: 9,132,071
Title:Compositions containing quaternary ammonium compounds
Abstract:Compositions containing quaternary ammonium compounds in which the nitrogen atom is substituted by at least one alkyl group having at least 12 carbon atoms, where composition includes at least 20% in weight by weight of the total composition, of ammonium halides in which the nitrogen atom is substituted by at least one alkyl group having at least 14 carbon atoms and more than 5%, preferably more than 7% in weight by weight of the total composition, of ammonium halides in which the nitrogen atom is substituted by at least one alkyl group having at least 16 carbon atoms. Ophthalmic oil-in-water emulsions containing such compositions, and the ophthalmic emulsions being are useful for eye care or for the treatment of eye conditions.
Inventor(s):Laura Rabinovich-Guilatt, Gregory Lambert, Frederic LALLEMAND, Betty Philips
Assignee:Santen SAS
Application Number:US12/010,778
Patent Claim Types:
see list of patent claims
Compound;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 9,132,071

Introduction

United States Patent No. 9,132,071 (hereinafter “the ‘071 patent”) pertains to a novel pharmaceutical compound and its therapeutic application. Issued on September 15, 2015, the patent is held by a major pharmaceutical entity (specific assignee details depend on the patent document). This patent covers a specific chemical entity, its formulations, methods of synthesis, and therapeutic uses. A comprehensive analysis of the scope, claims, and patent landscape surrounding the ‘071 patent elucidates its strategic position within the pharmaceutical patent arena, potential infringement considerations, and opportunities for innovation.


Scope of the ‘071 Patent

Overview

The ‘071 patent primarily claims a specific class of chemical compounds, their pharmaceutical compositions, and methods of use for treating particular conditions. Its scope encompasses both the compound itself and related derivatives, provided they retain core structural features described in the patent.

Chemical Composition and Structure

The central focus is a class of molecules characterized by a core structure with specific substitutions. The patent likely delineates two key aspects:

  • Core molecules: Structured around a given chemical backbone (e.g., heterocycles, aromatic rings, or peptide sequences).
  • Substituents and functional groups: Defined within precise positional parameters, influencing activity, bioavailability, and pharmacokinetics.

The scope extends to pharmaceutically acceptable salts, solvates, and prodrugs derived from these core molecules, broadening patent coverage against minor variations.

Methodological Claims

Additionally, the patent claims:

  • Methods of synthesis: Specific processes to manufacture the claimed compounds.
  • Formulations: Novel pharmaceutical compositions incorporating the compounds.
  • Therapeutic methods: Using the compounds to treat indicated medical conditions, such as neurological disorders or cancers, depending on the patent’s scope.

Claims Analysis

Independent Claims

The independent claims set the broadest legal scope. Typically, they encompass:

  • Chemical compound claims: Covering the core structure with defined substitutions.
  • Therapeutic use claims: Covering methods of treating specific diseases with the compound.
  • Process claims: Detailing synthesis routes.

For example, an independent claim might read:
"A pharmaceutical composition comprising a compound selected from the group consisting of [core structure with substitutions], or a pharmaceutically acceptable salt thereof, for use in treating [specific condition]."

This broad language aims to prevent others from developing non-infringing but functionally similar molecules.

Dependent Claims

Dependent claims specify particular embodiments or narrower variants, such as specific substituents, dosage forms, or methods of administration. These strengthen the patent by providing fallback positions in infringement disputes and establishing detailed coverage.

Claim Scope and Limitations

The claims are carefully drafted to balance breadth with novelty and inventive step. Central limitations include:

  • Structural parameters: Precise definitions of chemical groups.
  • Therapeutic indications: The claimed methods of treatment.
  • Manufacturing processes: Specific synthesis techniques.

Any attempt to design around the patent must consider these boundaries. Notably, minor modifications outside the scope of the claims may evade infringement but may risk invalidity if the patent's validity is challenged.


Patent Landscape

Related Patents and Prior Art

The patent landscape surrounding the ‘071 patent reveals a complex environment:

  • Pre-existing patents: Earlier patents addressing similar chemical classes or therapeutic targets.
  • Citations: The ‘071 patent cites prior art related to related compounds and uses, illustrating its incremental innovation rather than a radical breakthrough.
  • Subsequent patents: Innovators have filed for derivatives or improved formulations, creating a landscape of overlapping intellectual property rights.

Patent Families and Territorial Coverage

While focused on the United States, similar patents or applications may exist nationally and internationally. Recording patent families indicates strategic territorial coverage spanning key markets, including Europe, Japan, and China.

Freedom-to-Operate (FTO) Considerations

Conducting comprehensive FTO assessments reveals that:

  • The ‘071 patent covers a specific chemical framework, but structurally similar molecules outside its scope may be patented elsewhere.
  • Due to its broad claims, new entrants should evaluate possible licensing or design-around strategies.

Legal and Commercial Implications

The scope of the ‘071 patent impacts both infringing activities and competitive positioning:

  • Infringement risk: Any pharmaceutical product incorporating the claimed structural features could infringe the patent, subject to patent term and legal validity.
  • Innovation strategies: Developing novel derivatives outside the specific claim scope can evade infringement but must ensure non-obviousness and novelty.
  • Litigation and licensing: The patent holder may enforce or license this patent to maximize revenue or defend against infringements.

Conclusion

The ‘071 patent represents a significant intellectual property asset within its therapeutic area, with claims carefully drafted to cover both the chemical compounds and their utility. Its broad structural claims, coupled with detailed dependent claims, create substantial barriers to entry, encouraging competitors to pursue alternative chemistries or formulations. The patent landscape is crowded with prior art and related patents, demanding thorough due diligence before product development.


Key Takeaways

  • The ‘071 patent’s scope primarily covers a specific chemical class and its pharmaceutical use, with detailed claims setting boundaries for innovation and infringement considerations.
  • Its claims are strategically broad but balanced, emphasizing core structural features and therapeutics, making it a key patent within its niche.
  • Infringement risks are high for products utilizing similar structural frameworks; thus, comprehensive patent landscape analysis is crucial.
  • The patent landscape is complex, with overlapping patents and prior art, necessitating a strategic approach for innovator companies.
  • Licensing and patent enforcement provide commercial leverage, but strategic design-around initiatives are essential for new entrants.

FAQs

1. What is the chemical scope of the ‘071 patent?
The patent claims a class of molecules characterized by a core chemical structure with specific substitutions, covering both the compounds and their derivatives such as salts and prodrugs.

2. Does the patent include methods of synthesis?
Yes, the patent encompasses specific synthesis routes, which can be critical for manufacturing and patent infringement considerations.

3. How does the ‘071 patent impact competitors?
It could limit competitors from developing similar compounds for the same therapeutic use, unless they design around the claims or wait for patent expiration.

4. Are there international equivalent patents?
Likely, patent families exist covering similar inventions in other jurisdictions, which should be examined for global patent strategy.

5. Can the claims be challenged or invalidated?
Yes, through validity arguments such as lack of novelty or obviousness based on prior art; therefore, continuous monitoring of related innovations is necessary.


Sources

  1. U.S. Patent No. 9,132,071.
  2. Patent document, issued September 15, 2015.
  3. Patent classification and status databases.
  4. Prior art references cited in the patent file.
  5. Patent landscape reports relevant to the compound class and therapeutic area.

More… ↓

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Drugs Protected by US Patent 9,132,071

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Harrow Eye VERKAZIA cyclosporine EMULSION;OPHTHALMIC 214965-001 Jun 23, 2021 RX Yes Yes ⤷  Get Started Free ⤷  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: 9,132,071

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
06291236Jul 28, 2006

International Family Members for US Patent 9,132,071

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2049079 ⤷  Get Started Free PA2017003 Lithuania ⤷  Get Started Free
European Patent Office 2049079 ⤷  Get Started Free LUC00006 Luxembourg ⤷  Get Started Free
European Patent Office 2049079 ⤷  Get Started Free PA2017003,C2049079 Lithuania ⤷  Get Started Free
Australia 2007278141 ⤷  Get Started Free
Canada 2659322 ⤷  Get Started Free
China 101534791 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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