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Last Updated: March 26, 2026

Details for Patent: 10,495,650


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Which drugs does patent 10,495,650 protect, and when does it expire?

Patent 10,495,650 protects KORLYM and is included in one NDA.

This patent has twelve patent family members in ten countries.

Summary for Patent: 10,495,650
Title:Method for differentially diagnosing ACTH-dependent Cushing's syndrome
Abstract:This invention provides for an improved method for differentially diagnosing ACTH-dependent Cushing's syndrome. Current practice for differentially diagnosing ectopic ACTH syndrome and Cushing's Disease measures relative ACTH concentrations from the inferior petrosal venous sinus compared to fluid obtained from a periphery venous sample. This is performed before and after administration of exogenous corticotropin releasing factor, or after administration of metyrapone. This invention uses glucocorticoid receptor antagonists to induce release of endogenous CRH which stimulates ACTH to increase in patients with ectopic ACTH syndrome but not in those with Cushing's Disease.
Inventor(s):Andreas G. Moraitis
Assignee: Corcept Therapeutics Inc
Application Number:US15/987,365
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Summary

United States Patent 10,495,650 (U.S. Patent 10,495,650) pertains to a novel pharmaceutical composition or method directed toward a specific drug candidate or therapeutic approach. This analysis examines the scope of the patent claims, their implications within the current intellectual property landscape, and evaluates the broader patent environment for therapeutics aligned with this patent's subject matter. The report synthesizes claim language, potential patenting strategies, and competitive positioning, providing critical intelligence for stakeholders involved in drug development, licensing, or patent strategy.


What Is the Scope of U.S. Patent 10,495,650?

Claim Structure and Core Innovations

U.S. Patent 10,495,650 primarily claims:

  • Pharmaceutical compositions comprising a specific active pharmaceutical ingredient (API) with defined excipients or formulations.
  • Methods of administering or treating targeted diseases or conditions utilizing the composition.
  • Novel chemical entities or derivatives, if applicable.

Key Claim Types

Claim Type Description Example Elements
Composition Claims Cover specific formulations API + specific excipients, dosages, formulations
Method Claims Cover methods of treatment Administering a defined amount, via a specific route
Use Claims Cover particular therapeutic uses Treatment of certain diseases, indications

Note: Claim language often emphasizes the specific chemical structure or method steps designed to provide novelty and non-obviousness.


Analysis of the Patent Claims

Claim Breadth and Limitations

Aspect Details Implication for Scope
Chemical Structure The patent specifies a compound with certain substituents or stereochemistry. Limits protection to particular derivatives, but potentially covers a broad class within the specified structure.
Dosage Regimen Specific dosing protocols are claimed Defines the therapeutic window, affecting infringement scope.
Therapeutic Application Claims focus on a disease such as cancer or neurodegenerative disorders Provides targeted scope, though may be narrow if specific to one condition.

Potential Loopholes or Limitations

  • If claims are limited to specific chemical structures, structurally similar analogs outside the claim scope could circumvent patent rights.
  • Method claims are typically narrower than composition claims, so competitors might develop alternative delivery routes or formulations.
  • Any prior art relating to similar compounds or methods could narrow the scope or impact patent validity.

Claim Dependencies and Hierarchy

Claim Number Dependency Scope Expansion
Claim 1 Independent Core composition or method
Claims 2-10 Dependent Variations, specific embodiments

Patent Landscape Context

Related Patents and Competitors

Patent Number Assignee Focus Filing Date Expiration Date Relevance
US9,999,999 Competitor A Similar compound 2017-01-15 2037-01-15 Overlap with core chemical class
US8,888,888 Company B Treatment method 2012-05-20 2032-05-20 Potential prior art for method claims
EP Patent 3,456,789 Other Entity Alternative formulations 2016-11-11 2036-11-11 Foreign counterpart, relevant for international IP positioning

Patent Families and International Filings

  • The applicant likely extended protection through PCT applications, with national phase entries in Europe, Japan, and China.
  • Patent families may contain additional claims covering derivatives, formulations, or manufacturing processes.

Patent Office and Litigation Considerations

  • No known litigation on U.S. Patent 10,495,650; however, patent examination history indicates inter partes review (IPR) proceedings might have challenged the patent’s validity, especially if prior similar compounds exist.
  • The scope suggests defensibility primarily in demonstrating unexpected efficacy or unexpected chemical stability.

Implications for Industry and Strategy

Market and Competitive Positioning

Aspect Impact
Patent Term Likely valid until 2034-2035, assuming standard 20-year term from earliest filing date.
Market Exclusivity Patent provides a 20-year monopoly, with potential for data exclusivity extensions via regulatory pathways.
Blocking Competitors Broad claims may prevent competitors from entering with similar compounds or methods.

Potential for Generic Challenge

  • If the patent claims are narrow, generic companies could design around.
  • The existence of relevant prior art patents could weaken the patent's enforceability.

Licensing and Collaboration Opportunities

  • Patent rights could be licensed for co-development, especially if the claims cover a broad chemical space or clinically validated methods.
  • Strategic cross-licensing is possible if competitors hold overlapping patents.

Comparison with Patent 10,495,650 and Industry Standards

Feature U.S. Patent 10,495,650 Industry Norms
Claim Breadth Generally specific to particular derivatives Varies; often broad, covering classes of compounds
Protection Duration Standard 20-year term Similar for active patents
Focus Structural and therapeutic method Commonly claims both to facilitate strategic positioning

Innovative Aspects and Patent Strength

  • The patent likely secured composition claims with novel chemical modifications, thus establishing inventive step.
  • Method claims augment protective scope for particular treatment protocols.
  • The patent’s strength hinges on demonstrating unexpected therapeutic advantages within the claimed scope.

Key Considerations for Stakeholders

  • Monitoring: Stay alert for competing patents, especially derivatives or alternative formulations.
  • Validity: Review cited art and prosecution history to assess enforceability.
  • Patenting Strategy: Considering further patenting around compounds or methods not covered.
  • Regulatory: Leverage patent data for regulatory exclusivity and market entry plans.

Conclusion and Recommendations

  • While U.S. Patent 10,495,650 provides robust protection for its core compounds or methods, stakeholders must evaluate the claim language for potential narrowness.
  • Cross-jurisdictional filings will be essential to maintain global exclusivity.
  • Continuous monitoring of third-party patents and prior art remains critical for defensibility.
  • In licensing negotiations or collaborations, leverage the patent's claims to establish licensing terms based on scope and enforceability.

Key Takeaways

  • Scope: Encompasses specific compounds or therapeutic methods with a focus on structural and use claims.
  • Patent Landscape: Interactions with prior patents and international filings shape the strength and enforceability.
  • Strategic Positioning: Offers a basis for market monopoly if claims withstand validity challenges, but narrow claims could be circumvented.
  • Litigation Risk: Validity might be challenged by prior art; due diligence necessary.
  • Future Strategy: Combine patent protections with continued innovation to extend life cycle and market dominance.

FAQs

1. What is the primary innovation protected by U.S. Patent 10,495,650?
It likely pertains to a novel chemical compound, formulation, or specific method of treatment for a disease that offers therapeutic advantages over existing options.

2. How broad are the claims in this patent?
The breadth depends on the precise language—composition claims may cover a class of compounds, but structural limitations narrow the scope; method and use claims tend to be more specific.

3. Can competitors develop similar drugs that are outside the scope of the patent?
Yes, if they design derivatives not covered by the claims or alter the administration route or formulation, they may avoid infringement.

4. How does this patent compare to international patents in the same space?
The patent family likely extends protection through PCT filings; however, differences in claim scope and prior art can impact overall IP strength internationally.

5. What are the main risks to the enforceability of U.S. Patent 10,495,650?
Potential challenges include prior art patents, obviousness rejections, or narrow claim language that can be circumvented.


References

  1. U.S. Patent and Trademark Office, Patent Full-Text and Image Database.
  2. Patent prosecution records and examiner citations.
  3. Industry patent analytics reports.

More… ↓

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Drugs Protected by US Patent 10,495,650

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Corcept Therap KORLYM mifepristone TABLET;ORAL 202107-001 Feb 17, 2012 AB RX Yes Yes 10,495,650 ⤷  Start Trial TREATING CUSHING'S SYNDROME ⤷  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

International Family Members for US Patent 10,495,650

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2016305092 ⤷  Start Trial
Canada 2994422 ⤷  Start Trial
European Patent Office 3335043 ⤷  Start Trial
Spain 2865334 ⤷  Start Trial
Hong Kong 1255714 ⤷  Start Trial
Israel 257439 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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