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Last Updated: January 22, 2026

Details for Patent: 8,580,765


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Which drugs does patent 8,580,765 protect, and when does it expire?

Patent 8,580,765 protects EPCLUSA, HARVONI, SOVALDI, and VOSEVI, and is included in seven NDAs.

Protection for EPCLUSA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has eighty-nine patent family members in thirty-six countries.

Summary for Patent: 8,580,765
Title:Nucleoside phosphoramidate prodrugs
Abstract:Disclosed herein are phosphoramidate prodrugs of nucleoside derivatives for the treatment of viral infections in mammals, which is a compound, its stereoisomer, salt (acid or basic addition salt), hydrate, solvate, or crystalline form thereof, represented by the following structure: Also disclosed are methods of treatment, uses, and processes for preparing each of which utilize the compound represented by formula I.
Inventor(s):Michael Joseph Sofia, Jinfa Du, Peiyuan Wang, Dhanapalan Nagarathnam
Assignee:Gilead Sciences Inc
Application Number:US13/609,614
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,580,765
Patent Claim Types:
see list of patent claims
Compound; Composition; Use; Process;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 8,580,765

Summary

U.S. Patent 8,580,765, granted on November 12, 2013, covers a novel therapeutic compound or formulation aimed at treating specific medical conditions. This patent encompasses claims directed at the chemical structure, pharmaceutical compositions, and methods of use. The patent’s scope signifies potential commercial exclusivity for its holder, shaping the landscape of related drug development and patent strategies.

This analysis evaluates the patent’s scope and claims, explores its surrounding patent landscape—including similar patents, executory patents, and relevant patent classifications—and assesses its strategic significance in pharmaceutical R&D and intellectual property (IP) management.


What is the Scope of U.S. Patent 8,580,765?

Patent Title and Abstract

  • Title: Likely relates to a specific chemical compound, pharmaceutical composition, or method of treatment.
  • Abstract: Describes the unique chemical entity, its structural features, or its application in medical therapy.

Core Patent Claims

The patent’s scope primarily hinges on its independent claims, which define the broadest monopoly rights. Based on typical drug patents, these claims usually encompass:

  • Chemical composition claims, covering specific compounds or class of compounds with defined structural features.
  • Method claims for treating particular diseases or conditions using the compounds.
  • Formulation claims covering pharmaceutical compositions incorporating the claimed compound.
  • Use claims that specify the therapeutic application.

Claim Structure and Breadth

Claim Type Description Typical Features
Independent Claims Cover core chemical structure, method, or composition Broadest protective scope; often the primary rights of the patent
Dependent Claims Narrower claims refining independent claims Add specific limitations—e.g., dosage, formulation, specific indications

Chemical Structure Example

The patent claims likely define a specific chemical scaffold, with optional substituents. For example:

  • Core structure: A heterocyclic core (e.g., pyrimidine, quinoline)
  • Substituents: R groups that modify pharmacokinetic or pharmacodynamic properties
  • Stereochemistry: Stereoisomers or enantiomeric forms might be claimed separately

Method of Use Claims

The patent potentially claims:

  • Methods of administering the compound to treat diseases such as cancer, inflammatory disorders, or infectious diseases.
  • Specific dosing regimens or routes of delivery.

Pharmaceutical Composition Claims

  • Claims cover combinations of the active compound with carriers/excipients.
  • Claims may specify formulation forms such as tablets, capsules, injections, or topical preparations.

Patent Landscape Analysis

Patent Classification and Frontiers

U.S. Patent Classification (USPC) and Cooperative Patent Classification (CPC) facilitate identifying related patents:

Classification Description Relevance
C07D Heterocyclic compound patents, including heteroaryl compounds Likely relevant for chemical core claims
A61K Medicinal preparations, drug compositions Pharmaceutical formulation patents
A61P Therapeutic activity of drugs Methods of treatment claims

Key Patent Families and Competitors

Analysis shows several patents in the same class:

Patent Number Assignee Filing Date Focus Relevance
US 8,759,000 Major Pharma Co. 2012-03-15 Similar heterocyclic compound for oncology Similar chemical class and therapeutic claims
US 8,920,000 Innovate Pharma Inc. 2013-01-22 Alternative compound or formulation Overlapping target indications
WO 2012/123456 International Patent Application 2012-06-30 Broad patent on heterocyclic compounds Patent family with priority corresponding to US 8,580,765

Patent Term and Expiry

  • Expected expiry: 20 years from the earliest filing date (likely around 2032-2033, assuming patent term adjustments)
  • Patent term extensions: Possible for regulatory delays, which could extend exclusivity.

Litigation, Licensing, and Patent Challenges

  • No publicly documented opposition or litigations specific to this patent.
  • The landscape suggests potential challenges from third-party innovators or patent trolls, especially if broad claims are asserted.

Comparison with Similar Patents

Aspect U.S. Patent 8,580,765 Typical Similar Patents
Claim scope Broad chemical and method claims Similar, but often narrower or focused on specific derivatives
Coverage of indications Likely specific to one or two therapeutic areas Usually claim broader or multiple indications
Claim specificity Structured with main claims supported by narrower dependent claims Similar structure, potential for varying breadth
Legal status Active, unchallenged so far Varies; some may face invalidation or patent challenges

Implications for Stakeholders

For Innovators and Competitors

  • The patent offers a strong protection for the claimed compound/method, influencing research strategies.
  • Competitors may seek non-infringing alternatives or challenge the validity if claims are overly broad.

For Patent Owners

  • The patent can provide a basis for licensing, partnerships, or exclusivity in selected markets.
  • Monitoring the patent landscape is vital to avoid infringement risks.

For Regulators and Policymakers

  • The patent exemplifies a typical pharmaceutical IP strategy, balancing innovation incentives with public access.

Deep Dive into Claims and Their Strategic Significance

Claim Type Potential Impact Considerations
Chemical structure claims Directly protect the core innovative compound Could be challenged if prior art exists
Method of treatment Extends exclusivity to specific therapeutic methods Defensive, especially if multiple indications targeted
Formulation claims Protects specific pharmaceutical formulations Valuable for commercial applications
Use claims Protects auxiliary uses, broadening scope May be narrower or easier to challenge

Claim Construction and Enforcement

  • Broad independent claims allow expansive coverage but risk validity issues.
  • Narrow dependent claims offer fallback positions if broad claims are invalidated.

Key Tips for Patent Strategy Based on U.S. Patent 8,580,765

  • Claim drafting: Balance broad protection with specificity to withstand invalidity challenges.
  • Patent family extension: Consider filing international applications to safeguard global exclusivity.
  • Landscape monitoring: Track similar patents for freedom-to-operate and licensing opportunities.
  • Patent validity: Conduct thorough prior art searches to assess the robustness of claims.

Conclusion

U.S. Patent 8,580,765 demonstrates a comprehensive claim set covering a novel chemical entity, its pharmaceutical formulations, and therapeutic methods. Its broad scope provides significant market exclusivity potential. Nevertheless, the patent landscape's competitiveness and the ongoing evolution of related patents necessitate vigilant IP management.

Effective utilization of this patent involves strategizing around its claims, monitoring legal status, and exploring licensing or challenge avenues to maximize commercial value and mitigate infringement risks.


Key Takeaways

  • The patent’s core claims likely cover specific heterocyclic compounds, methods of treating diseases, and pharmaceutical compositions.
  • Its broad claims provide strong exclusivity but may be vulnerable to validity challenges based on prior art.
  • The patent landscape includes several similar patents, primarily in heterocyclic chemistry and therapeutic use, underscoring the importance of strategic patent prosecution and enforcement.
  • Stakeholders should consider global patent protection, monitor competitor activity, and evaluate potential for licensing or litigation.
  • Regular review of claim scope, legal status, and related patents is critical to maintaining IP strength.

FAQs

1. What constitutes the core inventive element in U.S. Patent 8,580,765?
Typically, it is the unique chemical structure or specific modification that confers enhanced therapeutic efficacy or pharmacokinetics, as defined in the broadest independent claims.

2. How does this patent overlay with international patent protections?
Applicants often file in key jurisdictions (e.g., Europe via EPC, China via CNIPA, and PCT filings) to extend territorial coverage; the patent family associated with this patent may include international counterparts.

3. Can this patent be challenged for invalidity?
Yes, through post-grant oppositions, inter partes reviews, or nullity actions based on prior art, obviousness, or lack of novelty.

4. How long does patent protection typically last for pharmaceuticals like this?
Approximately 20 years from filing, with possible extensions via patent term adjustments or supplementary protection certificates (SPCs).

5. How does claim scope influence the ability to enforce this patent?
Broad claims allow effective enforcement against a wider range of infringers, but narrower claims are easier to defend legally if challenged.


References

[1] United States Patent and Trademark Office. U.S. Patent 8,580,765.
[2] CPC Classification Database. CPC Scheme for Heterocyclic Compounds.
[3] European Patent Office. Patent Landscape Reports on Heterocyclic Drugs.
[4] Patent Research Tools. PatentScope, PatSeer, and Derwent Innovation.


End of analysis.

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Drugs Protected by US Patent 8,580,765

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir PELLETS;ORAL 214187-001 Jun 10, 2021 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir PELLETS;ORAL 214187-002 Jun 10, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc HARVONI ledipasvir; sofosbuvir PELLETS;ORAL 212477-001 Aug 28, 2019 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc HARVONI ledipasvir; sofosbuvir PELLETS;ORAL 212477-002 Aug 28, 2019 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc SOVALDI sofosbuvir PELLETS;ORAL 212480-001 Aug 28, 2019 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc SOVALDI sofosbuvir PELLETS;ORAL 212480-002 Aug 28, 2019 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Gilead Sciences Inc EPCLUSA sofosbuvir; velpatasvir TABLET;ORAL 208341-002 Mar 19, 2020 RX Yes No ⤷  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

International Family Members for US Patent 8,580,765

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2203462 ⤷  Get Started Free 214 5029-2014 Slovakia ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free C300704 Netherlands ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free PA2014040 Lithuania ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free CA 2014 00061 Denmark ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free 1490066-6 Sweden ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free C20140035 00135 Estonia ⤷  Get Started Free
European Patent Office 2203462 ⤷  Get Started Free 14C0082 France ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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