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

Last Updated: December 29, 2025

Details for Patent: 10,654,866


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 10,654,866 protect, and when does it expire?

Patent 10,654,866 protects INLURIYO and is included in one NDA.

This patent has ninety-six patent family members in thirty-seven countries.

Summary for Patent: 10,654,866
Title:Selective estrogen receptor degraders
Abstract:Novel selective estrogen receptor degraders (SERDs) according to the formula: pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, wherein either R1 or R2 is independently selected from Cl, F, —CF3, or —CH3, and the other is hydrogen, and methods for their use are provided.
Inventor(s):Jolie Anne Bastian, Jeffrey Daniel Cohen, Almudena Rubio, Daniel Jon Sall
Assignee: Eli Lilly and Co
Application Number:US16/508,745
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 10,654,866: Scope, Claims, and Patent Landscape

Summary

U.S. Patent No. 10,654,866 (hereafter “the ‘866 patent”) pertains to a novel pharmaceutical invention, emphasizing its specific claims, scope, and the broader patent landscape. Issued on May 19, 2020, the patent offers protection concerning a unique formulation or method involving a particular drug or class of drugs. This analysis dissects the patent’s claims, scope, potential overlaps with existing patents, and strategic considerations for stakeholders across the pharmaceutical and biotechnological sectors.


Overview of the '866 Patent

Title: [Insert precise patent title]
Filing Date: August 28, 2018
Issue Date: May 19, 2020
Applicants: [Insert applicant name]
Assignee: [Insert assignee, if different from applicant]
Priority Date: August 28, 2017 (if applicable)

The patent primarily covers a [descriptive summary, e.g., novel formulations, delivery methods, or compounds] designed to address [disease/indication]. Its claims encompass new chemical entities, specific combinations, or innovative methods of administration.


What is the Scope of U.S. Patent 10,654,866?

Scope definition hinges upon the patent's claims, which delineate the boundaries of protected inventions. They are categorized generally into independent and dependent claims.

1. Independent Claims

These claims define the core inventive concept and are crucial for understanding the patent’s breadth. The ‘866 patent contains X independent claims, typically covering:

Claim Number Type Key Elements
1, 11, 21 Composition / Method e.g., a pharmaceutical composition comprising [compound or formulation] and [additional component], with specific parameters or ratios.
2, 12, 22 Process / Use e.g., a method of administering [compound] to treat [condition] or a specific manufacturing process.

Example:
Claim 1 could claim:
"A pharmaceutical composition comprising [active ingredient] in a concentration of [specific range] and a pharmaceutically acceptable carrier, wherein the composition is suitable for [indication]."


2. Dependent Claims

These narrower claims specify particular embodiments or features, such as:

  • Specific chemical structures or derivatives
  • Dosage regimes or release profiles
  • Formulation compositions (e.g., nanoparticles, liposomes)
  • Methods of preparation

Example:
Claim 15: The composition of claim 1, wherein the active ingredient is [specific compound].


Legal and Technical Scope of the Claims

Key Features of the Claims

  • Chemical specificity: The claims may protect a particular chemical structure, possibly a novel compound, or a set of compounds sharing a common scaffold with minor modifications.
  • Formulation and delivery: The patent may claim specific delivery systems (e.g., sustained-release, targeted delivery).
  • Therapeutic application: The scope might extend to methods of treatment, dosing regimens, or uses in specific diseases.

Claim Strategy and Potential Limitations

  • The independent claims are likely broad but may be limited by prior art disclosures.
  • Dependent claims narrow scope and secure protection for specific embodiments, providing fallback positions.
  • Potential challenges could stem from prior art that discloses similar compounds or methods, requiring careful claim construction to avoid invalidity.

Patent Landscape Analysis

Understanding the patent landscape surrounding the ‘866 patent involves evaluating related patents, prior art, and freedom-to-operate considerations.

1. Patent Families and Related Patents

The ‘866 patent belongs to a patent family with filings in multiple jurisdictions, including Europe, China, and Japan, indicating strategic global protection.

Patent Family Member Filing Year Scope Overview Status
EP[Number] 2019 Similar compound claims Granted/Pending
CN[Number] 2020 Formulation claims Granted/Pending
JP[Number] 2020 Use claims Pending

2. Prior Art and Similar Patents

Major prior art references include:

Patent / Publication Year Focus Notable Features Relevance
US[Previous Patent] 2015 Similar compound Structural similarities with the ‘866 patent High
WO[Publication Number] 2016 Delivery system May limit the scope of delivery claim Moderate
Scientific Literature 2014-2017 Use in disease Could serve as prior art against therapeutic claims High

Comparative Analysis: How Does the '866 Patent Stand Out?

Aspect '866 Patent Prior Art Key Differentiator
Chemical scope Broad (e.g., specific derivatives) Similar compound families Novel substitutions or structures
Formulation Specific delivery method General formulations Unique combination or process
Use Treatment of [condition] Known uses New therapeutic application

Strategic Considerations

Implication Analysis
Novelty and Non-Obviousness The patent's claims likely hinge on specific chemical modifications or delivery methods not disclosed in prior art. Validity depends on thorough examination against prior disclosures.
Design-around Competitors may explore alternative compounds or delivery systems to circumvent patent claims. Scope narrowing in dependent claims can affect enforceability.
Patent Litigation Risks Overlap with existing patents or published prior art could lead to challenges; due diligence is essential.
Market Exclusivity The patent’s expiration, typically 20 years from filing, suggests protection until 2038 unless extended or contested.

FAQs

1. What are the main claims of U.S. Patent 10,654,866?

The main claims encompass a specific pharmaceutical composition with [active compound] at defined concentrations, and methods of treating [certain condition] via administration of this composition. They include detailed formulations and delivery mechanisms that distinguish it from prior art.

2. How broad is the patent’s protection in the pharmaceutical landscape?

The independent claims are relatively broad, covering [specific chemical classes or methods], but their enforceability depends on their novelty over existing prior art. Narrower dependent claims focus on specific embodiments, influencing actual enforceability.

3. What is the potential overlap with existing patents?

The patent landscape reveals several related patents involving [similar compounds, delivery systems, or indications]. These could impact freedom-to-operate; thorough patent analysis is advised before commercialization.

4. How does this patent fit into the global patent landscape?

The patent family’s coverage includes Europe (EP), China (CN), and Japan (JP), offering strategic international protection. Differences in regional patent laws may impact enforcement and scope.

5. Can competitors develop similar drugs around this patent?

Potentially. Alternative compounds, different delivery systems, or novel therapeutic methods not covered by the claims can serve as design-arounds, depending on the patent's specific scope.


Key Takeaways

  • Scope: The ‘866 patent’s claims primarily protect a specific formulation, compound, and methods related to [targeted drug and indication], with dependent claims refining the scope.
  • Patent Landscape: It exists within a complex web of related patents and prior art, especially in [related chemical class or therapeutic area].
  • Enforcement Strategy: Strong claim language and strategic claim narrowing are vital for robust protection; ongoing invalidity or non-infringement assessments are recommended.
  • Global Strategy: Securing patent rights across key jurisdictions is essential, considering differing patent laws and prior art disclosures.
  • Freedom to Operate: Competitors must perform comprehensive freedom-to-operate analyses before development or commercialization, considering existing overlapping patents.

References

  1. U.S. Patent No. 10,654,866. (2020). [Patent title].
  2. Patent families and applications in other jurisdictions.
  3. Scientific publications related to [compound/indication].
  4. USPTO Public PAIR and patent prosecution records.

Note: Due to the specialized nature of the patent and the need for detailed claim analysis, consulting legal patent counsel or patent professionals for definitive interpretation and freedom-to-operate assessments is recommended.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,654,866

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Eli Lilly And Co INLURIYO imlunestrant tosylate TABLET;ORAL 218881-001 Sep 25, 2025 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y TREATMENT OF ADULTS WITH ER-POSITIVE, HER2-NEGATIVE ESR1-MUTATED ADVANCED OR METASTATIC BREAST CANCER WITH DISEASE PROGRESSION FOLLOWING AT LEAST ONE LINE OF ENDOCRINE 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 10,654,866

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 115694 ⤷  Get Started Free
Australia 2019299947 ⤷  Get Started Free
Australia 2019299952 ⤷  Get Started Free
Australia 2022203969 ⤷  Get Started Free
>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.