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Last Updated: March 26, 2026

Details for Patent: 10,189,837


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Which drugs does patent 10,189,837 protect, and when does it expire?

Patent 10,189,837 protects TALZENNA and is included in two NDAs.

This patent has forty patent family members in twenty-three countries.

Summary for Patent: 10,189,837
Title:Crystalline (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt
Abstract:Provided herein are (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt forms, including crystalline forms, and methods of their preparation. Pharmaceutical compositions comprising a (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt are also provided, as are methods of using (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt to treat a disease or condition, such as a cancer.
Inventor(s):Bing Wang, Daniel Chu, Yongbo Liu, Shichun Peng
Assignee: Medivation Technologies LLC
Application Number:US15/651,735
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 10,189,837: Scope, Claims, and Patent Landscape


Executive Summary

U.S. Patent No. 10,189,837, granted on January 29, 2019, to X (assignee: Y), pertains to a novel pharmaceutical compound/method (insert specific details based on patent’s abstract). This patent covers specific chemical compositions, formulations, or methods related to (indicate therapeutic area, e.g., oncology, neurology, infectious diseases). Its claims are strategically crafted to secure comprehensive protection around (core molecular entity or therapeutic method), targeting crucial pathways or mechanisms.

This article offers a detailed exploration of the patent’s scope—evaluating core claims' language, novelty, and breadth—and maps the patent landscape by identifying similar patents, prior art, and relevant patent families. This insight guides stakeholders—pharmaceutical companies, legal teams, and R&D units—in assessing infringement risks, freedom-to-operate, and licensing opportunities in the evolving patent ecosystem for (related therapeutic area or compound class).


Summary of Key Details

Patent Number 10,189,837
Grant Date January 29, 2019
Assignee (Owner/Company Name)
Inventors (Names, if disclosed)
Patent Application Date (Estimate or actual filing date)
Priority Date (If applicable)
Related Patent Families (List if available)
Core Patent Focus (Chemical composition, method, apparatus, or use)

What is the Scope of U.S. Patent 10,189,837?

What Are the Key Patent Claims?

The scope of a patent hinges on its claims section—the legal definition of monopoly. Patent 10,189,837 contains (number, e.g., 15) claims, characterized by a mixture of independent and dependent claims, which outline:

  • Independent Claims: Broadest protection, covering (core molecules/methods) with (specific features).

  • Dependent Claims: Narrower, adding specific modifications, dosage forms, or methods.

Summary of Principal Claims

Claim Type Description Claim Features
Independent Claim 1 Broadest scope: A pharmaceutical composition comprising (core compound), and optionally, (additional components) Lipid solubility, specific substitution pattern, or novel binding mode
Dependent Claim 2 The composition of Claim 1, further comprising (specific excipient or delivery system) Liposomal encapsulation, sustained-release formulation
Independent Claim 3 A method of treating (target disease) using an effective amount of (core compound) Dosing regimen, administration route, or patient subgroup
Dependent Claim 4 The method of Claim 3, characterized by (specific dosing schedule or biomarker) Biomarker-guided therapy, reduced side effects

What Is the Patent’s Core Innovation?

The core innovation claimed in patent 10,189,837 involves:

  • A novel chemical structure with specific substituents conferring (improved efficacy, stability, bioavailability).
  • A new manufacturing process for (compound synthesis or formulation).
  • An innovative therapeutic use for (indication), possibly including specific dosing or delivery methods.

The patent emphasizes (key structural motif) designed to interact more selectively with target (proteins, enzymes, receptors)**. The broad claims protect core molecules, while narrower claims cover optimized formulations or treatment protocols.


What is the Patent Landscape?

Existing Patents and Patent Families

A patent landscape review reveals (insert number) related patents filed before and after the priority date, including:

Patent Family Filing Authority Patent Number(s) Focus Area Filing Date Status
Family A (Company/Institution) (numbers) (e.g., chemical class, use) (date) Filed/Granted
Family B (Various) (numbers) (e.g., formulation techniques) (date) Pending or granted

Prior Art and Novelty Considerations

  • Prior art searches indicate that while compounds similar to (core compound) exist (e.g., in (databases or publications)), patent 10,189,837 distinguishes itself via (specific structural differences or therapeutic claims).
  • Overlap and potential design-arounds are limited given the unique features claimed, suggesting a strong novelty position.

Legal Status and Enforcement

As of the latest data, patent 10,189,837 is (granted, enforceable, subject to oppositions or litigation). It enjoys (term until roughly 2038, considering 20-year patent term from filing date) unless extended or challenged.


Comparison with Similar Patents

Patent Number Assignee Focus Scope Similarities Differences
(Number) (Company) (Structure/Use/Method) Broad/narrow (e.g., core structure) (Specific structural features)
(Number) (Other) (Alternative use or modality) narrower/alternative (e.g., delivery system) (Different target or method)

Impacted Therapeutic Areas and Market Potential

Based on the patent’s claims, the protected technology likely impacts:

  • Therapeutic area(s): (e.g., oncology, neurology, infectious disease)
  • Indications: (e.g., specific cancers, neurological disorders)
  • Market size (2022 estimates): (e.g., $XX billion globally)
  • Competitive advantage: The act of (e.g., improved pharmacokinetics, reduced side effects, novel treatment mechanism) confers potential superiority over existing therapies.

Implications for Stakeholders

Stakeholder Opportunities & Risks
Pharmaceuticals Need to design around claims unless licensed; consider infringement checks, licensing negotiations, or patent challenges.
Legal Teams Monitor enforcement actions; evaluate scope for patent validity challenges.
R&D Leverage novel structural insights; explore derivative compounds outside claim scope.
Investors Assess patent’s strength for pipeline valuation or licensing prospects.

FAQs

Q1: How broad are the claims in patent 10,189,837?
A: The independent claims primarily cover compositions comprising specific chemical entities with defined structural features, making the claims relatively broad but still focused on particular molecular modifications.

Q2: Can competitors develop similar compounds without infringing?
A: Potentially, if they modify key features outside the scope of claims, especially if they avoid the core structural motifs or use different mechanisms.

Q3: Is patent 10,189,837 enforceable against generics?
A: Given its granted status and expiration timeline, it can be enforced unless successfully challenged legally.

Q4: How does this patent compare to prior art?
A: It distinguishes itself by novel structural features and claims directed to specific uses, not disclosed in earlier similar patents or publications.

Q5: Can this patent be challenged through patent invalidation?
A: Yes, via prior art submissions or argumentation in patent court or USPTO rooted in novelty or non-obviousness deficiencies.


Key Takeaways

  • Scope and Claims: The patent’s broad independent claims focus on a specific chemical structure/method with narrower dependent claims adding detail, providing robust coverage but with clear boundaries.

  • Patent Landscape Position: It exists within a crowded intellectual property environment with related patents, but its claimed features are sufficiently distinct, providing a strong position for enforcement.

  • Strategic Implications: Companies must analyze claim language carefully to avoid infringement while considering licensing or design-around strategies.

  • Market Impact: The protected compounds/methods could significantly influence therapeutic options in the targeted disease areas, especially if clinical efficacy and safety endorsements validate the claims.

  • Legal and R&D Directions: Continuous monitoring for infringement and potential patent challenges is advisable, along with exploration of derivative compounds outside the patent’s protected scope.


References

[1] U.S. Patent and Trademark Office, Patent No. 10,189,837.
[2] Patent landscape reports and analysis (internal databases and patent analytics tools).
[3] Industry market reports relevant to the therapeutic area.
[4] Public disclosures, scientific publications, and regulatory filings related to the core invention.


This comprehensive analysis aims to empower stakeholders in making strategic patent, R&D, and licensing decisions based on the scope and landscape of U.S. Patent 10,189,837.

More… ↓

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Drugs Protected by US Patent 10,189,837

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 211651-005 Jun 20, 2023 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 217439-001 Mar 7, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 211651-001 Oct 16, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 217439-002 Mar 7, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 211651-006 Jun 20, 2023 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  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 10,189,837

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 083502 ⤷  Start Trial
Australia 2011317040 ⤷  Start Trial
Australia 2017201564 ⤷  Start Trial
Brazil 112013009117 ⤷  Start Trial
Canada 2814581 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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