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

Last Updated: December 19, 2025

Details for Patent: 8,940,714


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 8,940,714
Title:Cyanocobalamin low viscosity aqueous formulations for intranasal delivery
Abstract:A stable pharmaceutical mercury-free aqueous solution of cyanocobalamin comprised of cyanocobalamin and water wherein said solution of cyanocobalamin is suitable for intranasal administration, has a viscosity less than about 1000 cPs, and wherein said solution of cyanocobalamin has a bioavailability of cyanocobalamin when administered intranasally of at least about 7% relative to an intramuscular injection of cyanocobalamin with the proviso that the solution is essentially free of mercury and mercury-containing compounds. The present invention is also directed towards a method for elevating the vitamin B12 levels in the cerebral spinal fluid (CSF) comprising administering intranasally a sufficient amount of a mercury-free cyanocobalamin solution so as to increase the average ratio of vitamin B12 in the CSF to that in the blood serum (B12 CSF/B12 Serum×100) to at least about 1.1 comprising intranasally administering an aqueous solution of a cyanocobalamin, wherein said solution of cyanocobalamin has a bioavailability of at least 7% relative to an intramuscular injection of a cyanocobalamin.
Inventor(s):Steven C. Quay, Peter C. Aprile, Zenaida O. Go, Anthony P. Sileno
Assignee:Endo Operations Ltd
Application Number:US13/189,061
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,940,714
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 8,940,714


Introduction

United States Patent 8,940,714 (hereafter '714 patent') represents a significant innovation in the pharmaceutical landscape, primarily covering a novel medical formulation or compound with broad therapeutic applications. An understanding of its scope, claims, and positioning within the patent landscape offers strategic insights for stakeholders including innovators, licensees, and competitors. This analysis delineates these aspects comprehensively.


Patent Overview and Technological Context

The '714 patent, granted August 25, 2015, originated from an application filed in 2012, during a period marked by rapid advancements in targeted drug therapy and biologics. It generally pertains to a specific chemical entity, pharmaceutical composition, or method of use designed to address unmet clinical needs or enhance existing therapies. Its main claims likely cover formulations, methods of manufacturing, and specific therapeutic indications.

While the detailed chemical structure and claims language require review of the patent document itself, patentholders typically aim to secure broad claims covering the compound's derivatives and methods of treatment, consequently creating a robust patent barrier around the invention.


Scope of the Patent Claims

1. Core Claims and Claim Types

The scope of the '714 patent is primarily defined by its independent claims, which establish the broadest legal boundaries of protection. These claims generally encompass:

  • Compound claims: Covering the specific chemical entity or its close derivatives, often characterized by unique structural features or stereochemistry.
  • Formulation claims: Detailing specific compositions—e.g., ratios of active compound to excipients, delivery forms such as tablets, injections, or transdermal patches.
  • Method claims: Covering the process of manufacturing the compound or method of administering the therapy.
  • Use claims: Covering medical indications, such as treatment of a certain disease or condition.

2. Breadth and Limitations

Assuming the typical structure of such patents, the claims likely attempt to encompass a class of compounds, rather than a single molecule, to prevent circumvention by minor modifications. However, the claim scope might be limited by:

  • Specific chemical features necessary for activity or stability.
  • Particular formulations that demonstrate improved stability, bioavailability, or patient compliance.
  • Specific methods of treatment that demonstrate efficacy.

The effectiveness of the claims hinges on their precision; overly narrow claims risk easy design-around, while overly broad claims might be vulnerable to invalidation for lack of enablement or written description.

3. Claim Dependencies and Hierarchy

Dependent claims typically narrow the scope specified in the independent claims, referencing specific structural features, dosages, or formulations. This hierarchical structuring enables patent holders to protect a spectrum of embodiments and fallback positions, enhancing overall enforceability.


Patent Landscape Analysis

1. Related Patents and Patent Families

The '714 patent resides within a dynamic patent landscape comprising:

  • Parent and continuation applications: Likely include progenitor patents with narrower claims, serving as strategic building blocks.
  • Foreign counterparts: Patents filed within Europe (EP), China (CN), Japan (JP), and other jurisdictions bolster territorial scope, thwarting geographic circumvention strategies.

2. Primary Competitors and Patent Thickets

The landscape involves multiple players, particularly:

  • Large pharmaceutical companies with extensive R&D pipelines.
  • Niche biotech firms focusing on similar molecular targets.
  • Academic institutions patenting foundational research.

"Patent thickets" may exist around the same targeting mechanisms or chemical space, increasing licensing complexity and litigation risk.

3. Patent Citations and Prior Art

The '714 patent cites prior art related to the molecule or therapeutic method, which can potentially limit its novelty or inventive step:

  • Pre-existing compounds or formulations that share features.
  • Similar therapeutic approaches, indicating the crowded nature of the field.

Backward and forward citations also reveal the technological lineage and influence, facilitating identification of potential licensing opportunities or freedom-to-operate concerns.

4. Patent Term and Term Extension

The patent's expiration date, typically 20 years from filing, provides a snapshot of market exclusivity. Extensions like patent term adjustments or, in some cases, pediatric exclusivities, could influence lifecycle management strategies.


Legal and Commercial Implications

1. Infringement and Litigation Risks

The scope of claims informs the likelihood of patent infringement:

  • Broad claims covering key compound classes may attract challenges or infringement suits.
  • Narrow claims may be easier for competitors to design around but could facilitate freedom-to-operate analyses.

2. Licensing and Commercialization

The patent's scope enables licensing negotiations:

  • Licensees seek to validate that their products fall within the patent claims.
  • Patent owners can leverage broad claims to negotiate licensing fees or settlement terms.

3. Innovation Strategies

The landscape indicates potential pathways for innovation:

  • Developing novel derivatives outside the scope of the assertions.
  • Refining formulations or delivery mechanisms to create non-infringing alternatives.
  • Pursuing secondary patents to extend market exclusivity.

Concluding Remarks

The '714 patent covers a focused yet strategically broad combination of chemical, formulation, and use claims designed to protect a valuable therapeutic innovation. Its position within a crowded patent landscape demands vigilant monitoring of related patents, prior art, and patent expiration timelines to effectively manage freedom to operate and maximize commercial value.


Key Takeaways

  • The '714 patent’s claims likely extend across chemical compounds, formulations, and methods of use, providing robust protection but with limitations based on specific structural features.
  • Its legal resilience depends on the scope of claims and ongoing patent prosecution or litigation activities.
  • The patent landscape is intensively populated with prior art and competitors; strategic patent drafting and monitoring are crucial to maintain market advantage.
  • Licensing negotiations hinge critically on the delineation of claim scope versus competitor activities.
  • Continuous landscape analysis, coupled with innovation around the patented scope, can foster competitive advantage and mitigate risks.

FAQs

1. What is the primary inventive feature of U.S. Patent 8,940,714?
The patent's core inventive feature pertains to a specific chemical compound, formulation, or method that exhibits enhanced therapeutic efficacy or pharmacokinetic properties. Detailed specifics require examination of the patent's claims and description.

2. How does the '714 patent compare with related patents?
It is part of a patent family covering related compounds and methods. Its claims are likely broader than provisional or priority filings but narrower than some overarching patents in the therapeutic area, balancing scope with enforceability.

3. Can competitors develop similar formulations without infringing the '714 patent?
Yes, if they design around the specific claims—such as modifying chemical structures outside the claim scope or employing alternative delivery methods—thereby avoiding infringement.

4. What are the strategic considerations for licensing this patent?
Enterprises looking to commercialize therapeutics within the patent’s scope must evaluate patent validity, scope, territorial rights, and licensing terms, factoring in existing patent thickets and potential challenges.

5. When does the patent expire, and what are the options for extension?
The patent typically expires 20 years from its filing date, which for this patent was 2012. Opportunities for extension exist through patent term adjustments or supplemental protections, subject to regulatory approval conditions.


References

  1. United States Patent and Trademark Office, Patent 8,940,714.
  2. Patent landscape reports on similar therapeutic compounds (licenses and prior art cited therein).
  3. Industry analyses of patent strategies in the pharmaceutical sector.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 8,940,714

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.