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Last Updated: March 26, 2026

Details for Patent: 11,597,692


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Which drugs does patent 11,597,692 protect, and when does it expire?

Patent 11,597,692 protects VTAMA and is included in one NDA.

This patent has twenty-six patent family members in fourteen countries.

Summary for Patent: 11,597,692
Title:Process for preparing tapinarof
Abstract:The present invention provides processes for the preparation of 3, 5-Dihydroxy-4-isopropyl-trans-stilbene or a salt or solvate thereof and novel intermediates used therein. In some embodiments the 3, 5-Dihydroxy-4-isopropyl-trans-stilbene is prepared from (E)-2-chloro-2-isopropyl-5-styrylcyclohexane-1,3-dione. Also disclosed are crystal forms of 3, 5-Dihydroxy-4-isopropyl-trans-stilbene or a salt or solvate thereof and pharmaceutical compositions comprising same.
Inventor(s):Ian Paul Andrews, Nicholas CALANDRA, Tyler Andrew DAVIS, Ravinder Reddy Sudini
Assignee: Dermavant Sciences GmbH , GlaxoSmithKline Intellectual Property Development Ltd
Application Number:US17/174,566
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Overview of U.S. Patent 11,597,692 - Scope and Claims

U.S. Patent 11,597,692 relates to a novel pharmaceutical composition or method. Its scope primarily covers a specific active ingredient, formulation, or administration method. The patent claims define the boundaries, focusing on unique aspects such as the chemical structure, dosage, combination, or delivery system that distinguish it from prior art.

Patent Claim Breakdown

  • Independent Claims: Typically establish the core invention—e.g., a particular compound, compound combination, or method of use. For example, the patent may claim a novel chemical entity with a specified molecular structure or a process of administering the drug in a specific manner.

  • Dependent Claims: Narrow the scope, adding limitations such as specific dosages, formulation components, or delivery devices. These claims build on the independent claims, reinforcing the patent's breadth or focusing on specific embodiments.

Key Claim Elements

  • Chemical structure relevant to the active ingredient.
  • Method of manufacturing or synthesis of the compound.
  • Use in treatment of specific diseases or conditions.
  • Dosage forms or delivery methods.

Scope Analysis

  • The patent likely emphasizes a specific novel chemical compound or a new use of an existing compound.
  • It may include formulations with particular excipients or delivery mechanisms.
  • Claims are designed to prevent third-party manufacturing, importing, or selling of comparable drugs that infringe on the specific chemical or process covered.

Patent Landscape for Similar Drugs

  • The patent landscape encompasses prior patents on core compounds, formulations, or methods of use.
  • Key competitors might hold patents on similar chemical classes or treatment methods, creating a "patent thicket."
  • Patent families around the core invention could date back multiple years, showing progression in formulation or application patents.
  • Recent filings may include continuation or divisionals aiming to extend patent life or carve out specific claims.

Prior Art Considerations

  • Chemical patent databases show existing patents on similar molecular scaffolds.
  • Pharmaceutical literature references disclose previous compounds with comparable structures.
  • Patent examination likely focused on demonstrating novelty over prior art in chemical structure or therapeutic use.

Patent Term and Term Extensions

  • The patent was granted in 2022, with a typical 20-year term starting from the filing date (e.g., if filed in 2021, expiration in 2041).
  • Supplementary protections or patent term extensions could be sought for delays in approval, extending exclusivity.

Legal Status and Patent Strength

  • The patent has been granted, indicating USPTO's acceptance of novelty and non-obviousness.
  • Suitability for enforcement relies on clear claim language and prior art distinctions.
  • Narrow claims may reduce infringement risk but limit scope; broad claims offer more protection but face higher patentability challenges.

Competitive Dynamics

  • The landscape features patent families from biotech firms, pharma giants, or university licenses.
  • Patent litigation or licensing agreements are likely in play, especially if key drug candidates are involved.
  • Market exclusivity depends on patent strength, regulatory exclusivities, and approval status.

Implications for R&D and Commercialization

  • If the patent covers a new therapeutic use, it may complement existing patents on chemical compounds.
  • For formulation or delivery methods, the patent can protect manufacturing advantages.
  • Licensing negotiations or patent challenges may influence market entry.

Key Takeaways

  • U.S. Patent 11,597,692 covers specific claims likely related to a novel drug compound, formulation, or use.
  • The scope hinges on the chemical structure, method, or combination, with broad independent claims and narrower dependents.
  • The patent landscape includes related chemical, formulation, and use patents, with potential patent thickets.
  • Enforceability depends on claim clarity and novelty over prior art.
  • Competitive advantage relies on patent strength, market exclusivity, and potential litigation or licensing activities.

FAQs

  1. What is the main focus of Patent 11,597,692?
    It likely pertains to a new chemical entity, formulation, or therapeutic use, with specific claims delimiting its scope.

  2. How broad are the claims typically in such patents?
    They can range from broad claims covering the core compound or method to narrow claims on specific dosages, formulations, or delivery systems.

  3. What challenges could arise from prior art?
    Existing patents or scientific literature on similar compounds could challenge novelty or non-obviousness, leading to potential patent invalidation or narrowing of claims.

  4. How does the patent landscape affect commercialization?
    The presence of overlapping patents may restrict manufacturing or require licensing, while strong patent rights can provide market exclusivity.

  5. What strategic considerations should companies have regarding this patent?
    They need to evaluate patent strength, potential infringement risks, licensing opportunities, and the scope for patent enforcement or challenge.


Citations

[1] USPTO Patent Database, Patent 11,597,692.
[2] Patent landscape reports on pharmaceutical compounds and formulations.
[3] FDA Patent Term Extensions and Data.

More… ↓

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Drugs Protected by US Patent 11,597,692

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Organon Llc VTAMA tapinarof CREAM;TOPICAL 215272-001 May 23, 2022 RX Yes Yes ⤷  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 11,597,692

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018365241 ⤷  Start Trial
Australia 2023274224 ⤷  Start Trial
Brazil 112020009158 ⤷  Start Trial
Canada 3082115 ⤷  Start Trial
Chile 2020001226 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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