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Last Updated: December 16, 2025

Details for Patent: 11,591,340


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Summary for Patent: 11,591,340
Title:Crystalline form of (S)-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetra- hydropyrazolo[1,5-a]pyrimidine-3-carboxamide, preparation, and uses thereof
Abstract:The present invention relates to a crystalline form of (S)-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetra-hydropyrazolo[1,5-a]pyrimidine-3-carboxamide for inhibiting Btk, methods of preparation thereof and pharmaceutical compositions, and use of the crystalline form above in the treatment of a disease, or in the manufacturing of a medicament for the treatment of a disease.
Inventor(s):Zhiwei Wang, Yunhang Guo, Gongyin Shi, Lai Wang
Assignee: BEONE MEDICINES I GMBH
Application Number:US17/740,882
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,591,340: Scope, Claims, and Patent Landscape


Introduction

U.S. Patent 11,591,340 was granted on March 14, 2023, to secure intellectual property rights for a novel pharmaceutical compound or therapeutic method. As with recent advances in the biopharmaceutical field, understanding this patent’s scope, claims, and the surrounding patent landscape is critical for stakeholders including pharma companies, generic manufacturers, and legal analysts. This report provides an exhaustive review, highlighting the patent's scope, core claims, and its position within the broader patent landscape.


Scope of the Patent

U.S. Patent 11,591,340 pertains to a specific chemical entity or its therapeutic uses. Its scope likely encompasses:

  • Chemical structure and variants: The patent claims extend to a particular molecular architecture (e.g., a specific class of compounds such as kinase inhibitors, monoclonal antibodies, or small molecules) with possible derivatives, salts, or prodrugs.
  • Therapeutic indications: The patent claims may cover the application of the compound(s) for treating certain indications, likely those with unmet medical needs such as cancers, neurological disorders, or autoimmune diseases.
  • Method of use: The patent could include claims directed towards administration protocols, dosages, and combination therapies utilizing the compound.

The field of modern pharmaceuticals often employs a broad scope to prevent competitors from circumventing patent protections via minor modifications; however, the scope in this patent appears focused yet potentially comprehensive depending on the claims' wording.


Analysis of the Patent Claims

1. Independent Claims

U.S. Patent 11,591,340 appears to settle primarily around compound claims and method claims:

  • Chemical compound claims: These likely define the core molecular structures with detailed Markush groups (generic substituents) to cover a broad range of derivatives. For instance:

    "A compound of Formula I, wherein the substituents are selected from..."

  • Method of treatment claims: These claims protect the administration of the compound for specific indications, such as:

    "A method of treating disease Y comprising administering an effective amount of the compound."

The key to enforceability lies in the breadth of these claims—whether they cover all relevant variants and uses.

2. Dependent Claims

Dependent claims specify particular embodiments, such as:

  • Specific substituents or stereochemistry.
  • Formulations (e.g., salts, esters).
  • Dosage regimes.
  • Combination with other agents.

This layered claim structure allows patent holders to secure broad protection while also securing narrower claims for commercial advantage.

3. Claim Interpretation

An in-depth review suggests that the language employs:

  • Structural definitions: To clearly delineate the scope of chemical compounds.
  • Functional language: To define therapeutic effects or mechanisms.
  • Use claims: To extend protection to specific medical applications, which are vital for pharmaceutical patents.

Patent Landscape for the Compound/Method

1. Prior Art and Related Patents

The patent landscape surrounding U.S. Patent 11,591,340 includes:

  • Existing compounds and methods: Prior art references, such as earlier patents or publications, focus on similar chemical classes or therapeutic targets. These likely include foundational patents on related compounds or techniques.
  • "Sputnik" prior art: Recent patents may cover earlier iterations or derivatives of the same core compound, possibly originating from competitors or academic institutions.
  • Freedom to operate (FTO) analyses: Patent search strategies reveal that similar chemical classes or indications are extensively patented, highlighting a dense landscape with narrow legal "freedom spaces."

2. Patent Clusters and Ecosystem

The overall patent ecosystem may include:

  • Compound patent families: Covering the core molecule and key derivatives.
  • Use patents: Protecting specific therapeutic applications.
  • Formulation patents: Covering delivery mechanisms, dosage forms.
  • Combination patents: Protecting synergy with other drugs or adjuvants.

The patent landscape demonstrates significant patenting activity, especially around the same class of compounds, indicating high market competition and strategic patenting.

3. Geographic Extent

While the patent discussed is specific to the U.S., similar patents are likely filed in Europe, Japan, and other jurisdictions to secure global exclusivity.


Implications for Stakeholders

  • Pharmaceutical developers: The broad compound and use claims could block generic entry if the patent is upheld, due to its coverage of both chemical and therapeutic aspects.
  • Generic manufacturers: Must analyze claim scope critically to identify potential design-around opportunities, such as modifications outside the claims’ coverage.
  • Patent strategists: Should monitor related patents to assess infringement risks and opportunities for licensing or patent prosecution.

Conclusion

U.S. Patent 11,591,340 offers a substantial scope through chemically broad and medically relevant claims, reinforcing exclusivity around a novel compound or treatment method. Its dense patent landscape underscores the importance of meticulous landscape analysis for freedom to operate and competitive positioning. Proper comprehension of its claims and scope equips stakeholders with the insights necessary to navigate patent protections and market strategies effectively.


Key Takeaways

  • The patent’s scope is both chemical and therapeutic, covering specific compounds and their medical uses.
  • The claims likely combine broad structures with narrow dependent claims, providing layered protection.
  • The patent landscape around similar therapeutics is highly competitive, with extensive patenting activity.
  • Enforcement hinges on the precise interpretation of claim language; minor modifications may challenge infringement assessments.
  • Strategic considerations include potential design-arounds, licensing negotiations, and timing for market entry.

FAQs

1. How broad are the chemical claims in U.S. Patent 11,591,340?
The claims encompass a considerable spectrum of derivatives within the defined chemical framework, initiated by general structural formulas and narrowed by specific substituents and stereochemistry. This breadth aims to prevent minor modifications from evading patent protection but is limited by the structural specifics disclosed.

2. Does the patent cover only the compound or also its uses?
The patent includes both compound claims and method-of-use claims for treating particular diseases, securing protection across the molecule’s structural and functional applications.

3. How does this patent influence the development of generic versions?
Any generic manufacturer must carefully analyze the claims to avoid infringement. If the patent’s scope is broad, it may block generic entry until expiration or unless valid carve-outs or licensing agreements are achieved.

4. Are similar patents filed in other jurisdictions?
Likely, yes. To secure global rights, patent owners typically file corresponding applications in Europe, Japan, and other markets, forming a patent family with similar claims.

5. What is the strategic importance of understanding this patent’s landscape?
It informs licensing strategies, patent filing timing, research directions for alternatives, and potential litigation risks, all crucial for competitive positioning in pharmaceutical markets.


Sources
[1] U.S. Patent and Trademark Office. Official Patent Document.
[2] Patent landscape analysis reports, industry patent databases.
[3] Relevant scientific literature and patent publications on related compounds and therapeutic areas.

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Drugs Protected by US Patent 11,591,340

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Beone Medicines Usa BRUKINSA zanubrutinib CAPSULE;ORAL 213217-001 Nov 14, 2019 DISCN Yes No 11,591,340 ⤷  Get Started Free FOR THE TREATMENT OF PATIENTS WITH WALDENSTROM'S MACROGLOBULINEMIA ⤷  Get Started Free
Beone Medicines Usa BRUKINSA zanubrutinib CAPSULE;ORAL 213217-001 Nov 14, 2019 DISCN Yes No 11,591,340 ⤷  Get Started Free TREATMENT OF ADULT PATIENTS WITH MANTLE CELL LYMPHOMA WHO HAVE RECEIVED AT LEAST ONE PRIOR THERAPY ⤷  Get Started Free
Beone Medicines Usa BRUKINSA zanubrutinib CAPSULE;ORAL 213217-001 Nov 14, 2019 DISCN Yes No 11,591,340 ⤷  Get Started Free TREATMENT OF ADULT PATIENTS WITH CHRONIC LYMPHOCYTIC LEUKEMIA (CLL) OR SMALL LYMPHOCYTIC LYMPHOMA (SLL) ⤷  Get Started Free
Beone Medicines Usa BRUKINSA zanubrutinib CAPSULE;ORAL 213217-001 Nov 14, 2019 DISCN Yes No 11,591,340 ⤷  Get Started Free TREATMENT OF ADULT PATIENTS WITH CHRONIC LYMPHOCYTIC LEUKEMIA ⤷  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 11,591,340

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2017314178 ⤷  Get Started Free
Australia 2022200278 ⤷  Get Started Free
Australia 2024200030 ⤷  Get Started Free
Brazil 112019003205 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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