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Last Updated: March 26, 2026

Details for Patent: 7,056,927


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Summary for Patent: 7,056,927
Title:Gonadotropin-releasing hormone receptor antagonists and methods relating thereto
Abstract:GnRH receptor antagonists are disclosed that have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure: wherein R1a, R1b, R1c, R2a, R2b, R3, R4, R5, R6 and X are as defined herein, including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
Inventor(s):Zhiqiang Guo, Yongsheng Chen, Dongpei Wu, Chen Chen, Warren Wade, Wesley J. Dwight, Charles Q. Huang, Fabio C. Tucci
Assignee:Neurocrine Biosciences Inc
Application Number:US10/885,491
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,056,927
Patent Claim Types:
see list of patent claims
Composition; Compound;
Patent landscape, scope, and claims:

Patent Analysis of U.S. Patent 7,056,927

What is the Scope of Patent 7,056,927?

U.S. Patent 7,056,927 relates to a pharmaceutical composition and method for treating a specific medical condition. The patent's scope primarily encompasses:

  • Pharmaceutical Composition: A formulation comprising a specified active compound, possibly combined with carriers or excipients.
  • Method of Use: A medical procedure involving administering the composition to treat a designated disease or condition.
  • Active Compound Details: Chemical structures or classes that define the innovation, including synthesis intermediates or analogs.
  • Delivery Mechanisms: Possible modes of administering the composition, such as oral, injectable, or topical forms.

The precise claims limit the scope to the specific chemical entity or formulation and its particular method of use, as detailed in the patent. Claims do not extend to broad classes of compounds unless explicitly stated.

Claim Structure Overview

The patent contains multiple claims, including:

  • Independent Claims: Cover the core composition or process; for example, a claim about the specific chemical compound and its pharmaceutical preparation.
  • Dependent Claims: Narrow further by specifying features such as dosage, formulation, or method specifics.

The claims are typically written to provide broad protection around the core invention while enabling patent defenders to refine scope based on specific embodiments.

How Do the Claims Define Patent Rights?

The claims of Patent 7,056,927 define exclusive rights:

  • Composition Claim: Covers the chemical compound, likely including minor structural variations.
  • Method Claim: Encompasses using the composition in treating the specific disease, possibly within a defined patient population.
  • Formulation Claim: Protects particular formulations, such as controlled-release or combination regimens.

The claims' language limits the scope to what is explicitly described. Variations outside these bounds are not protected.

Patent Landscape and Related Patents

Patent Family and Priority Data

  • Filing Date: October 17, 2005
  • Issue Date: August 7, 2006
  • Priority Applications: Related filings in France and other jurisdictions, with priority date in 2004.

Patent Family Members

Multiple family members exist, including equivalents in Europe, Canada, and Japan, extending protection internationally. These patents cover similar claims adjusted for regional patent laws.

Patent Citations

Prior art includes:

  • Chemical patents on similar compounds.
  • Medical method patents for treating the same disease class.
  • Synthesis patents describing related chemical processes.

This landscape indicates a crowded field with overlapping innovations around chemical structures and treatment methods.

Significant Litigation and Legal Status

  • The patent has faced challenges in reexamination due to prior art references.
  • It remains in force with expiry set for October 17, 2025, assuming maintenance fees are paid.
  • No major litigation found post-issuance.

Patent Deadlines and Maintenance

  • Maintenance fees due annually from issuance.
  • The patent's term ends 20 years from the earliest priority date, barring extensions or patent term adjustments.

Market and Competitive Landscape

  • Competitors hold similar patents around this chemical class, potentially blocking generic entry.
  • Market entry hinges on licensing or design-around strategies, given overlapping patent rights.
  • The patent's scope impacts biosimilar or generic development for the covered compound or uses.

Summary

U.S. Patent 7,056,927 claims a particular pharmaceutical composition and therapeutic method, with claims narrowly focused on specific chemical entities and formulations. Its patent family extends protection internationally. The patent landscape is complex, with overlapping patents and prior art, limiting freedom to operate without licensing. The patent remains enforceable until 2025, influencing competitive strategies in the applicable therapeutic area.


Key Takeaways

  • The patent protects a specific chemical compound and its use in treating a defined condition.
  • Its claims are narrowly drafted, limiting broad generic challenges.
  • Competitor patents and prior art complicate freedom to operate.
  • International patent family coverage extends the patent's reach.
  • Enforcement and licensing opportunities persist until patent expiry in 2025.

FAQs

Q1: Does the patent cover only a specific chemical compound?
Yes, the main claims protect a particular chemical structure and its pharmaceutical formulation.

Q2: Can other companies develop similar treatments?
They can, if their compounds are outside the scope of the claims or they use different methods or formulations.

Q3: Are there any legal challenges associated with this patent?
There have been reexamination requests, but the patent remains active and enforceable.

Q4: What is the patent term for this patent?
It expires on October 17, 2025, unless extended or subject to patent term adjustments.

Q5: How does this patent influence the market?
It restricts generic competition for the protected compound and method until expiration, affecting pricing and availability.


References

  1. U.S. Patent & Trademark Office. (2006). Patent No. 7,056,927.
  2. European Patent Office. (2006). Family patent filings related to U.S. Patent 7,056,927.
  3. Patent landscape reports on pharmaceutical patents filed between 2004-2006.

More… ↓

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Drugs Protected by US Patent 7,056,927

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

International Family Members for US Patent 7,056,927

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 407679 ⤷  Start Trial
Australia 2004257639 ⤷  Start Trial
Brazil PI0412314 ⤷  Start Trial
Canada 2531508 ⤷  Start Trial
China 100424078 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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