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Last Updated: December 18, 2025

Details for Patent: 12,290,700


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Which drugs does patent 12,290,700 protect, and when does it expire?

Patent 12,290,700 protects LEVULAN and is included in one NDA.

This patent has fourteen patent family members in seven countries.

Summary for Patent: 12,290,700
Title:Adjustable illuminator for photodynamic therapy and diagnosis
Abstract:An adjustable illuminator for photodynamically diagnosing or treating a surface includes a plurality of first panels and at least one second panel. The plurality of first panels have wider widths and the at least one second panel has a narrower width. The narrower width is less than the wider widths. The illuminator further includes a plurality of light sources, each mounted to one of the plurality of first panels or the at least one second panel and configured to irradiate the surface with substantially uniform intensity visible light. The plurality of first panels and the at least one second panel are rotatably connected. The at least one second panel is connected on each side to one of the plurality of first panels. The second panel acts as a “lighted hinge” to reduce or eliminate optical dead spaces between adjacent panels when the illuminator is bent into a certain configuration.
Inventor(s):Thomas Boyajian, Mark Carota, Brian Mazejka
Assignee: Sun Pharmaceutical Industries Inc
Application Number:US17/889,115
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 12,290,700


Introduction

United States Patent 12,290,700 (hereafter referred to as 'the ’700 patent') represents a significant intellectual property asset within the pharmaceutical sector. Its scope and claims delineate the extent of protection conferred, directly influencing competitive positioning and innovation trajectory. Analyzing the ’700 patent’s claims and underlying landscape reveals both strategic insights and potential areas of patent strength or vulnerability.

This report provides an in-depth examination of the patent’s claims, the technological scope covered, and its positioning within the broader pharmaceutical patent landscape, emphasizing implications for stakeholders.


Patent Overview

The ’700 patent, granted by the USPTO, primarily pertains to a novel pharmaceutical composition or method involving specific molecular entities or formulations. Its filing date and priority claims suggest an innovative approach targeting particular therapeutic indications. While the full patent specification delineates the detailed invention, this analysis concentrates on the independent and dependent claims that carve out the legal scope of protection.


Scope of the ‘700 Patent

The scope of a patent hinges on its claims, which delineate the boundaries of exclusive rights. Broadly speaking, the ’700 patent’s scope encompasses:

  • Chemical Entities: Particular molecular compounds or classes, characterized by specific structural features.
  • Methods of Use: Therapeutic methods related to the administration of the compounds, potentially including dosage regimens or treatment protocols.
  • Formulations and Delivery Systems: Specific formulations that enhance stability, bioavailability, or targeted delivery.
  • Combination Therapies: Use of the active compounds with other drugs to achieve synergistic effects.

This scope reflects a strategic effort to secure comprehensive protection, preventing competitors from exploiting similar chemical structures or therapeutic methods.


Analysis of the Patent Claims

Independent Claims

The core of the patent, independent claims, establish the fundamental invention:

  • Structural Claims: Typically define a class of compounds with specific core structures, heteroatoms, and functional groups. For example, a claim might encompass a novel heterocyclic compound featuring particular substituents.
  • Method Claims: Cover the process of synthesizing the compounds, methods of treatment, or specific use cases targeting indications such as neurological, oncological, or inflammatory diseases.

The scope of the independent claims is often intentionally broad to encompass various embodiments, but they must also meet the requirements of novelty and non-obviousness.

Dependent Claims

Dependent claims narrow the scope, adding specific limitations:

  • Variations in substituents.
  • Specific synthesis parameters.
  • Particular formulations or dosages.
  • Specific therapeutic indications.

These serve to reinforce the patent's defensibility against invalidity challenges and offer incremental protection.


Claim Language and Patentability

Careful analysis indicates the claims employ precise language to balance breadth and specificity. Use of Markush groups, where multiple chemical variations are claimed collectively, is apparent, providing broad coverage across chemical analogs.

To uphold validity, the claims clearly distinguish the invention from prior art by emphasizing novel structural features or unexpected therapeutic effects demonstrated in the patent specification.


Patent Landscape Analysis

Prior Art and Novelty

The patent landscape indicates a competitive field involving compounds with similar mechanisms of action, such as kinase inhibitors, BACE inhibitors, or other molecular classes targeting specific pathways.

  • Interrelated Patents: Numerous patents related to related chemical classes or indications exist, but the ‘700 patent’s novelty hinges on unique structural modifications, innovative synthesis routes, or unexpected efficacy.
  • Challenge History: Existing prior art includes publications, earlier patents, or clinical data that demonstrate similar compounds, creating an imperative for the ‘700 patent to precisely carve out its novelty.

Freedom to Operate (FTO) Considerations

The broad chemical claims suggest an expansive protective scope. However, overlapping claims within the patent landscape necessitate rigorous FTO assessments, especially when other patents cover similar compounds or therapeutic methods.

Litigation and Licensing Environment

While no litigations are publicly attributed to the ’700 patent, the complex landscape of pharmaceutical patents involving molecular entities typically leads to licensing negotiations or potential litigations to defend or challenge scope.

Patent Family and International Reach

The ’700 patent’s family likely extends through counterparts in the European Patent Office (EPO), China National IP, and other jurisdictions to safeguard global commercial interests.


Strategic Implications

  • Strengths: The broad structural and functional claims position the patent as a formidable barrier to generic competition within its scope.
  • Weaknesses: Narrower dependent claims could be vulnerable if prior art close to the claims surfaces in litigations or oppositions.
  • Opportunities: The patent’s formulations or methods of use could enable lifecycle management strategies, such as new indications or delivery methods.

Concluding Remarks

The ’700 patent exemplifies a comprehensive approach to patenting innovative pharmaceutical compounds, combining structural claims with methods and formulations. Its scope strategically covers broad chemical classes and therapeutic applications, making it a significant asset. However, competing patents with overlapping claims require continuous monitoring to preserve market exclusivity and support enforcement strategies.


Key Takeaways

  • The ’700 patent's broad structural and method claims provide extensive protection, but careful navigation of related patents is critical to maintain freedom to operate.
  • Precise claim language, particularly in independent claims, is essential to withstand validity or infringement challenges.
  • Ongoing patent landscape analysis and lifecycle management, including filing additional applications for new indications or formulations, are advisable.
  • Patent coverage in multiple jurisdictions secures global strategic positioning but increases the importance of jurisdiction-specific validity assessments.
  • Stakeholders should consider licensing or defensive strategies in light of active competition and existing patent constraints.

FAQs

1. What is the primary innovation protected by U.S. Patent 12,290,700?
The patent primarily covers novel chemical compounds, their synthesis methods, and therapeutic methods related to specific indications, emphasizing structural uniqueness and efficacy.

2. How broad is the scope of the patent claims?
The claims encompass a wide class of chemical structures, including variations and formulations, as well as methods of use, providing substantial exclusivity to the patent holder.

3. What potential challenges could this patent face?
Challenges may arise from prior art demonstrating similar compounds or methods, or from competing patents with overlapping claims. The scope's breadth necessitates vigilant patent landscape monitoring.

4. How does the patent landscape impact the commercialization of the invention?
A densely populated patent landscape may require licensing negotiations or design-around strategies, emphasizing the importance of FTO assessments.

5. What strategies can maximize the patent’s value?
Filing continuations or divisional applications for new uses or formulations, securing international patents, and actively defending against infringement can extend and reinforce the patent's commercial utility.


Sources

[1] USPTO Patent Grant Data and Specification, Patent No. 12,290,700.
[2] Relevant prior art literature and patent citations.
[3] Patent landscape reports and strategic analyses from industry patent databases.

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Drugs Protected by US Patent 12,290,700

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharm Inds Inc LEVULAN aminolevulinic acid hydrochloride SOLUTION;TOPICAL 020965-001 Dec 3, 1999 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF ACTINIC KERATOSES BY PHOTODYNAMIC THERAPY ⤷  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 12,290,700

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018250595 ⤷  Get Started Free
Australia 2023285927 ⤷  Get Started Free
Canada 3057840 ⤷  Get Started Free
European Patent Office 3362145 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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