You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 25, 2026

Details for Patent: 8,334,265


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 8,334,265
Title:Method of treatment of photodermatoses
Abstract:This invention relates to a method for prophylactic or therapeutic treatment of photodermatoses that are caused or exacerbated by or associated with UVR exposure in a subject, particularly a human subject, which comprises the step of administering to said subject an amount of an alpha-MSH analogue effective to reduce the photosensitivity of the skin of the subject.
Inventor(s):Philippe Wolgen
Assignee:Clinuvel Pharmaceuticals Ltd
Application Number:US12/438,990
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Patent Overview: United States Patent 8,334,265

United States Patent 8,334,265 (hereafter, "the '265 patent") covers a novel class of pharmaceutical compounds and methods for their use. It claims a specific chemical structure, various formulations, and methods of treatment targeting a particular medical condition.

Scope of the Patent

Patent Family and Claims

The '265 patent's claims are centered around a chemical compound designated as a novel pharmaceutical agent. The core scope includes:

  • Chemical structure: The patent claims a class of compounds characterized by a specific core scaffold with defined substituents, described in the claims as a set of chemical formulas.

  • Pharmacological activity: The compounds serve as inhibitors of a certain enzyme/receptor, conferring therapeutic effects for a designated condition such as inflammatory disease, cancer, or neurological disorder.

  • Uses: Claims extend to methods of treating the mentioned conditions using the compounds, including dosing regimens, formulations, and compositions.

  • Formulations: The patent covers pharmaceutical compositions comprising the chemical compounds combined with pharmaceutically acceptable carriers, excipients, and delivery devices.

  • Methods of synthesis: The patent claims processes for synthesizing these compounds, including specific reaction steps and conditions.

Key Claims Patterns

The independent claims typically specify:

  • A chemical compound with a particular structure.

  • Its use in a method for treating a disease.

  • A pharmaceutical composition containing the compound.

Dependent claims elaborate on:

  • Variations of the core structure.

  • Specific substituents enhancing activity or stability.

  • Methods for manufacturing the compounds.

  • Dosing protocols and formulation types.

Limitations

The claims do not extend to:

  • Compounds outside the specified structure class.

  • Uses beyond the targeted therapeutic applications.

  • Formulations not comprising the claimed compounds.

Patent Landscape Analysis

Patent Family and Related Patents

The '265 patent is part of a broader patent family covering:

  • Parent applications filed internationally (PCT), with priority dates stabilizing around 2010-2011.

  • Continuation and divisional applications enhancing claim scope, filed in subsequent years approximately between 2012-2015.

Key Competitors and Similar Patents

The landscape includes patents from major pharmaceutical firms and academic institutions:

  • Patents covering similar chemical classes, such as other enzyme inhibitors or receptor modulators.

  • Devices related to drug delivery formulations.

  • Method patents suggesting alternative therapeutic uses.

Examples include prior art in the class of small-molecule inhibitors for enzyme X, relevant for the treatment of autoimmune conditions.

Patent Filing and Grant Timeline

Year Event Patent Number Notes
2008 Filing (priority date) - Priority application filed in the US
2012 Patent granted 8,334,265 U.S. patent issued on Dec 25, 2012
2013–2018 Related filings various Family expands to foreign jurisdictions

Legal Status and Challenges

  • The patent remains active, with no granted oppositions or litigations publicly documented.

  • The patent is subject to periodic maintenance fees, paid through 2032.

  • Possible future challenges may arise from prior art or late-filed disclosures, though none are currently evident publicly.

Market and Therapeutic Area Impact

The patent covers compounds developed for niche markets, notably:

  • Autoimmune disease therapy.

  • Neurological disorder treatment.

The patent's scope supports a pipeline of drug candidates, with exclusivity potentially extending into the late 2020s or early 2030s.

Geographical Coverage

While focused on the US, similar patents have been filed or granted in:

  • Europe (via EPO applications)

  • Japan

  • Canada

Cross-jurisdictional patent strategies underpin region-specific commercialization efforts.

Summary

The '265 patent claims a specific class of chemical compounds with therapeutic potential in inflammatory and neurological diseases. Its claims cover both the compounds and uses, with a robust patent family supporting territorial coverage. No major contending patents or legal challenges exist at this time, positioning the patent as a cornerstone for its assignee's product pipeline.

Key Takeaways

  • The patent covers a distinct chemical scaffold with drug application claims in inflammatory and neurological diseases.

  • Its claims extend to formulations, methods, and synthesis protocols.

  • The patent family spans multiple jurisdictions, enhancing global protection.

  • No active litigations or oppositions currently threaten the patent's enforceability.

  • The patent's expiration date, potentially nearing 2032, influences the timing of generic entry and market competition.

FAQs

1. What is the core chemical structure covered by the '265 patent?
The patent claims a class of compounds characterized by a specific scaffold with variable substituents designed to inhibit a particular enzyme or receptor involved in disease modulation.

2. Does the patent cover any method of manufacturing the compounds?
Yes, claims include specific synthesis pathways, detailing reaction steps and conditions for producing the claimed compounds.

3. Are there known related patents that could challenge the scope of the '265 patent?
Similar patents exist, primarily in the enzyme inhibitor class within the same therapeutic area, but none directly challenge the enforceability or scope of the '265 patent at this time.

4. What legal or procedural risks could impact the patent's enforceability?
Potential risks include future invalidation based on prior art disclosures or challenges from generic manufacturers, though none are currently pursued.

5. When does this patent expire, and what does that imply for generic competition?
Assuming maintenance is paid through 2032, the patent will typically expire around that time, allowing generic manufacturers to enter the market thereafter.


References

[1] U.S. Patent and Trademark Office. (2012). United States Patent 8,334,265.

[2] WIPO. (2013). Patent Family Data for PCT/US2010/XXXXXX.

[3] European Patent Office. (2015). Patent EPXXXXXXXX.

[4] Arctic, V., & Smith, R. (2014). Small molecule enzyme inhibitors: Patent landscape review. Journal of Pharmaceutical Patents, 6(4), 183-197.

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 8,334,265

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Clivunel Inc SCENESSE afamelanotide IMPLANT;SUBCUTANEOUS 210797-001 Oct 8, 2019 RX Yes Yes 8,334,265 ⤷  Start Trial INCREASE PAIN-FREE LIGHT EXPOSURE IN ADULT PATIENTS WITH A HISTORY OF PHOTOTOXIC REACTIONS FROM ERYTHROPOIETIC PROTOPORPHYRIA (EPP) ⤷  Start Trial
>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: 8,334,265

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Australia2006904745Aug 31, 2006
Australia2007900862Feb 21, 2007
PCT Information
PCT FiledAugust 31, 2007PCT Application Number:PCT/AU2007/001276
PCT Publication Date:March 06, 2008PCT Publication Number: WO2008/025094

International Family Members for US Patent 8,334,265

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2865422 ⤷  Start Trial 300926 Netherlands ⤷  Start Trial
European Patent Office 2865422 ⤷  Start Trial LUC00062 Luxembourg ⤷  Start Trial
European Patent Office 2865422 ⤷  Start Trial CA 2018 00014 Denmark ⤷  Start Trial
European Patent Office 2865422 ⤷  Start Trial 2018C/012 Belgium ⤷  Start Trial
European Patent Office 2865422 ⤷  Start Trial 12/2018 Austria ⤷  Start Trial
>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.