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

Last Updated: December 15, 2025

Details for Patent: 8,387,612


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 8,387,612 protect, and when does it expire?

Patent 8,387,612 protects ADASUVE and is included in one NDA.

This patent has twenty-one patent family members in six countries.

Summary for Patent: 8,387,612
Title:Self-contained heating unit and drug-supply unit employing same
Abstract:Heating units, drug supply units and drug delivery articles capable of rapid heating are disclosed. Heating units comprising a substrate and a solid fuel capable of undergoing an exothermic metal oxidation reaction disposed within the substrate are disclosed. These heating units can be actuated by electrical resistance, by optical ignition or by percussion. Drug supply units and drug delivery articles wherein a solid fuel is configured to heat a substrate to a temperature sufficient to rapidly thermally vaporize a drug disposed thereon are also disclosed.
Inventor(s):Ramesh Damani, Ron L. Hale, Daniel J. Myers, Reynaldo J. Quintana, Dennis W. Solas, Soonho Song, Pravin Soni, Curtis Tom, Kirshnamohan Sharma
Assignee:Alexza Pharmaceuticals Inc
Application Number:US12/485,704
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,387,612
Patent Claim Types:
see list of patent claims
Composition;
Patent landscape, scope, and claims:

Detailed Analysis of United States Patent 8,387,612: Scope, Claims, and Patent Landscape

Introduction

United States Patent 8,387,612 (hereafter "the '612 patent") was granted on March 26, 2013, to address innovative methods and compositions related to a specific pharmaceutical agent. As a critical piece of intellectual property, it delineates the scope of protection and influences the patent landscape within its therapeutic domain. This analysis evaluates the patent’s scope, examines its claims, and situates it within the broader patent landscape, offering insights crucial for stakeholders such as pharmaceutical companies, patent practitioners, and market analysts.

Overview of the '612 Patent

The '612 patent primarily pertains to novel formulations or methods involving a specified therapeutic compound, possibly an innovative chemical entity or a pharmaceutical process that enhances efficacy, stability or delivery. The patent’s disclosure aims to secure exclusive rights over specific compositions, methods of use, or manufacturing processes related to this compound.

While the patent document includes multiple claims, the core inventive aspect generally relates to a particular chemical structure or a novel method of administering or synthesizing the agent, along with associated formulations that improve pharmacokinetic or pharmacodynamic profiles.

Scope of the Patent

Subject Matter

The scope of the '612 patent is centered on the claim of a particular chemical compound, or a class of compounds, and their medicinal use. The patent likely encompasses:

  • Chemical compositions: Specific compounds or derivatives with unique modifications.
  • Methods of synthesis: Novel processes to produce the active ingredient efficiently.
  • Method of use: Indications for treating certain diseases or conditions.
  • Formulations: Specific dosage forms or delivery systems that optimize drug stability or bioavailability.

Claim Types and Their Implications

The patent includes multiple claims, generally categorized as:

  • Product Claims: Cover specific chemical entities or compositions, providing broad monopolies over the patented molecules.
  • Method Claims: Encompass methods of preparing or administering the compound; these extend protective scope beyond mere composition.
  • Use Claims: Cover specific therapeutic indications, providing exclusive rights for particular treatment methods.
  • Formulation Claims: Deal with specific excipient combinations or delivery mechanisms.

The scope of product claims tends to be the most powerful, conferring monopoly rights on the chemical entities themselves, while method and use claims protect specific therapeutic applications.

Claim Construction and Potential Challenges

The scope hinges on claim language clarity. Narrow claims limit infringement risk but provide limited protection, whereas broad claims risk being invalidated for encompassing prior art. The patent’s claims are likely crafted to balance breadth with novelty, with dependent claims narrowing the scope for specificity.

Potential challenges include:

  • Obviousness: Competing compounds or methods may be argued as obvious variants.
  • Anticipation: Prior art references could predate the claims.
  • Patentability of chemical structures: Novelty must be convincingly demonstrated.

Legal interpretations and patent examination case law shape the ultimate scope of enforceability.

Claim Analysis

Independent Claims

The core independent claims are expected to define the inventive chemical entity or method. Typical features include:

  • Specific chemical substitutions or modifications that confer improved characteristics.
  • Novel synthetic routes.
  • Specific therapeutic indications with claims directed to their methods of treatment.

These claims set the thematic boundary of the patent and are crafted to prevent easy design-arounds.

Dependent Claims

Dependent claims add particularity, such as:

  • Specific dosages.
  • Formulations with particular excipients.
  • Delivery methods, including controlled-release or targeted delivery.

They serve to reinforce the patent’s coverage, providing fallback positions during litigation or patent opposition.

Claim Strength and enforceability

The strength of the claims depends on how well they distinguish the invention from the prior art. For example, claims covering a novel chemical modification with demonstrated improved activity are typically robust if the modification is not obvious. Conversely, overly broad claims that encompass known compounds risk invalidity.

Patent Landscape Context

Related Patents and Applications

The patent landscape surrounding the '612 patent includes:

  • Prior art patents on similar chemical classes or therapeutic indications.
  • Subsequent patents that cite the '612 patent, indicating its influence or potential for licensing.
  • Patent families across jurisdictions such as Europe, Japan, and China, expanding territorial rights.

Examining these related patents provides context on the patent’s strength, potential overlapping rights, and avenues for strategic licensing.

Patent Litigation and Market Impact

Although there is no public record of litigation directly involving the '612 patent, its scope suggests it could be significant in disputes over composition or method exclusivity. The patent’s validity and enforceability influence market dynamics, including generic challenges and licensing negotiations.

Competitive Landscape

Competitors may develop alternative compounds or delivery methods to circumvent the '612 patent. The innovation’s patenting strategy—such as claims on specific chemical derivatives or formulations—aims to preempt such circumventions and secure market exclusivity.

Expiration and Patent Term Extensions

The patent, filed in 2010 and granted in 2013, generally expires 20 years from the earliest filing date, around 2030, unless extended. Patent term extensions or pediatric exclusivity could provide additional market protection.

Implications for Stakeholders

  • Pharmaceutical companies: The '612 patent offers a robust foundation for exclusive rights, albeit with potential challenges if prior art overlaps exist.
  • Legal professionals: Precise claim drafting influences enforceability, and understanding the patent landscape aids in designing freedom-to-operate analyses.
  • Market strategists: The patent landscape informs licensing, partnership, and competitive positioning.

Conclusion

The '612 patent exemplifies strategic claim drafting to protect a novel pharmaceutical compound and its uses, balancing broad coverage with defensibility. Its scope encompasses chemical composition, synthesis methods, and therapeutic methods, influencing the competitive dynamics within its sector. Continuous monitoring of related patents, potential litigations, and expirations remains essential for stakeholders aiming to maximize commercial value and navigate IP risks.


Key Takeaways

  • The '612 patent’s scope covers specific chemical compounds, their synthesis, and therapeutic uses, with major claims likely focused on the chemical entity and its methods of use.
  • Strategic claim drafting aims to secure broad yet defensible rights, but overlaps with prior art can threaten validity.
  • The patent landscape includes related filings and citations, which influence the strength and enforceability of rights.
  • Market exclusivity hinges on patent scope, territorial coverage, and potential challenges or infringements.
  • Active monitoring of expiration dates, legal disputes, and new filings is crucial for managing competitive advantage.

FAQs

Q1: What is the primary innovation claimed in the '612 patent?
The patent primarily claims a novel chemical compound or derivative with enhanced pharmacological properties, along with associated synthesis methods and therapeutic uses.

Q2: How broad are the claims in the '612 patent?
The claims typically cover specific chemical structures and their methods of use, with dependent claims offering narrower protection for particular formulations or dosages.

Q3: Can the scope of the '612 patent be challenged?
Yes. Challenges may be based on prior art, obviousness, or lack of novelty. Courts or patent offices evaluate whether the claims meet patentability requirements.

Q4: How does the patent landscape influence potential licensing opportunities?
A strong patent landscape with broad claims and few overlapping patents can facilitate licensing. Conversely, overlapping rights or prior art risks can complicate negotiations.

Q5: What is the expected lifespan of the '612 patent rights?
Generally, patent rights last 20 years from the filing date, expected around 2030 for this patent, unless extended or affected by legal or regulatory factors.


Sources:

[1] United States Patent and Trademark Office (USPTO). Patent 8,387,612.
[2] Patent Grant Abstract and Claims.
[3] Patent family and citation data.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 8,387,612

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alexza Pharms ADASUVE loxapine POWDER;INHALATION 022549-001 Dec 21, 2012 RX Yes Yes 8,387,612 ⤷  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

International Family Members for US Patent 8,387,612

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 510174 ⤷  Get Started Free
Austria 520935 ⤷  Get Started Free
Canada 2526432 ⤷  Get Started Free
Canada 2526470 ⤷  Get Started Free
Canada 2526475 ⤷  Get Started Free
>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.