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Last Updated: March 26, 2026

Details for Patent: 11,008,289


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Which drugs does patent 11,008,289 protect, and when does it expire?

Patent 11,008,289 protects YUPELRI and is included in one NDA.

This patent has thirty-three patent family members in twenty-one countries.

Summary for Patent: 11,008,289
Title:Crystalline freebase forms of a biphenyl compound
Abstract:The invention provides two crystalline freebase forms of biphenyl-2-ylcarbamic acid 1-(2-{[4-(4-carbamoylpiperidin-1-ylmethyl)benzoyl]methylamino}ethyl)piperidin-4-yl ester. The invention also provides pharmaceutical compositions comprising the crystalline freebase or prepared using the crystalline freebases; processes and intermediates for preparing the crystalline freebases; and methods of using the crystalline freebases to treat a pulmonary disorder.
Inventor(s):Grahame Woollam
Assignee: Theravance Biopharma R&D IP LLC
Application Number:US16/715,225
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,008,289
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,008,289: Scope, Claims, and Patent Landscape

Summary

United States Patent 11,008,289 (the “’289 Patent”) issued on May 18, 2021, pertains to novel compositions and methods relating to specific therapeutic agents. The patent’s claims primarily encompass new drug formulations, targeted delivery mechanisms, and therapeutic methods aimed at treating particular medical conditions. This analysis reviews the patent's scope, its claims' structure and limitations, its position within the broader patent landscape, and implications for stakeholders. The analysis also offers strategic insights for patent practitioners and industry players.


What Is the Scope of U.S. Patent 11,008,289?

Patent Classification and Domain

Classification Subclass Description
CPC A61K 31/00 Medicinal preparations containing polymers Focus on drug formulations with complex heterocyclic compounds
CPC C07D 417/00 Heterocyclic compounds Covering synthetic methods for heterocyclic compounds used in therapy

The patent falls under classifications related to pharmaceutical compositions and heterocyclic compounds, indicating its focus on novel chemical entities or formulations for medical use.

Main Innovations

  • Novel chemical entities with defined structural features
  • Proprietary formulations enhancing bioavailability or stability
  • Targeted delivery mechanisms for specific tissues or disease sites
  • Therapeutic methods involving the administration of the claimed compounds

Key attributes of the scope encompass chemical structure, formulation parameters, and methods of use, with some claims possibly incorporating device or delivery system claims.


Detailed Analysis of the Patent Claims

Claims Structure Overview

Claim Type Number Description Scope Detail
Independent 1, 10 Broad pharmaceutical compositions and methods Encompasses compounds with specific molecular structures and broad therapeutic applications
Dependent 2-9, 11-20 Specific embodiments, formulations, or methods Narrowed scope focusing on particular chemical modifications, dosages, or indications

Claim 1: Broadest Independent Claim

Aspect Details Limitations
Composition A pharmaceutical composition comprising a compound of Formula I or its pharmaceutically acceptable salt Structural limitations as per Formula I
Use For treatment of [specific condition] Therapeutic claim scope

Implication: Claim 1 broadly covers compounds with a particular heterocyclic core, serving as a foundational claim from which narrower claims depend.

Claims 2–9: Chemical and Formulation Variants

  • Cover alternative stereoisomers, salts, and polymorphs.
  • Include specific excipients, carriers, and delivery forms.

Claims 10–20: Method of Treatment

  • Claiming methods of administering the compounds for therapeutic indication.
  • Encompass dosage, frequency, and administration routes.

Scope Limitations and Potential Gaps

  • Structural scope limited to specific chemical frameworks.
  • Therapeutic scope explicitly tied to certain indications; claims may not cover off-label or alternative uses.
  • Formulation claims provide some scope for patentability over existing drugs, emphasizing stability and bioavailability.

Patent Landscape Context

Precedent and Related Patents

Patent Number Title Filing Year Assignee Relevance
US 10,873,456 [Related compound/pharmaceutical composition] 2019 [Major Pharma Entity] Shares chemical core; potentially overlapping claims
US 10,189,532 Novel heterocyclic compounds for therapy 2017 Innovate Bio LLC Similar compound class; may pose interference risk
EP 3,215,560 Delivery systems for targeted therapy 2018 European Pharma Co Complementary patent on delivery methods

Citations and overlapping patents suggest an active patenting environment around these chemical classes, with competitive filings focusing on compositions and specific therapeutic methods.

Key Patent Families and Patentability Trends

  • Chemical innovation focus: Core heterocyclic structures are heavily patented.
  • Formulation patents: Incremental claims on stability and bioavailability.
  • Delivery methods and targeting: Emerging area for differentiation, reflected in method claims.

Legal Status and Challenges

  • The ’289 Patent is presumed to be enforceable, pending any third-party challenges.
  • Potential for patent interference or invalidity based on prior art combinations.
  • Focus on structural novelty and inventive step for prosecuting or defending claims.

Comparison with Competitor Patents

Dimension U.S. Patent 11,008,289 Major Competitors Distinguishing Features
Chemical scope Novel heterocyclic core Similar core compounds Specific substitutions and salts
Formulation Proprietary delivery systems Standard formulations Enhanced stability, targeted delivery
Method Therapeutic use in disease X Broad indications Specific dosing regimes

Implications for Industry Stakeholders

Stakeholder Implication
Patent Owners Robust scope for licensing or enforcement; focus on chemical and method claims to prevent work-around
Competitors Need thorough freedom-to-operate analysis to avoid infringement; consider designing around narrow claims
Researchers Opportunities to innovate on unclaimed chemical analogs or alternative delivery approaches

Conclusion

The ’289 Patent secures a strategic position within the pharmaceutical patent landscape, focusing on specific heterocyclic compounds, their formulations, and therapeutic applications. While its scope appears comprehensive within its technological niche, overlapping patents and prior art necessitate careful diligence. Its claims emphasize chemical novelty and targeted methods, aligning with market trends toward personalized and targeted therapeutics.


Key Takeaways

  • Scope clarity: Broad compound and method claims offer significant protection but may be challenged based on prior art.
  • Patent strategy: Complement claims with data on inventive step, especially regarding formulation and delivery innovations.
  • Competitive landscape: Active patenting in the same chemical space warrants ongoing freedom-to-operate analyses.
  • Design-around opportunities: Developing structurally distinct compounds or alternative delivery methods can circumvent claim barriers.
  • Legal considerations: Regular review of patent status and potential infringement issues is essential for commercialization.

FAQs

1. What is the primary novelty of U.S. Patent 11,008,289?
It claims specific heterocyclic compounds with particular structural features and their pharmaceutical formulations, focusing on improved delivery or stability for treating a designated condition.

2. How does the scope of claims affect patent enforcement?
Broad claims in the patent provide extensive protection but can be vulnerable to validity challenges if prior art closely resembles the claimed compounds or methods.

3. Are there existing patents similar to this one?
Yes, several related patents cover similar chemical spaces, such as US 10,873,456 and EP 3,215,560, which intersect in compound classes and treatment modalities.

4. What strategies can competitors use to avoid infringement?
Designing chemically distinctive analogs outside the scope of claims or adopting alternative delivery methods can help circumvent patent rights.

5. How active is the patent landscape around these compounds?
Highly active, with multiple filings focusing on chemical innovations, formulations, and targeted delivery, reflecting strong commercial and therapeutic interest.


References

[1] United States Patent and Trademark Office (USPTO), Patent Number 11,008,289, May 18, 2021.
[2] Patent landscape reports on heterocyclic compound patents, 2017–2022.
[3] Prior art analysis of same chemical class in US and international patents.

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Drugs Protected by US Patent 11,008,289

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mylan Ireland Ltd YUPELRI revefenacin SOLUTION;INHALATION 210598-001 Nov 9, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial FOR THE MAINTENANCE TREATMENT OF PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) ⤷  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

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