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Last Updated: March 25, 2026

Details for Patent: 12,208,167


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Which drugs does patent 12,208,167 protect, and when does it expire?

Patent 12,208,167 protects ZUNVEYL and is included in one NDA.

This patent has two patent family members in two countries.

Summary for Patent: 12,208,167
Title:Coated tablets for pH-dependent release of benzgalantamine
Abstract:The invention relates to a pharmaceutical composition in the form of a tablet, said tablet comprising a tablet core, wherein said core comprises benzgalantamine (ALPHA-1062) or salt thereof, and an enteric coating, wherein said enteric coating is configured for dissolution at pH 5.5 and above. Further the invention relates to the pharmaceutical composition for use in the treatment of a brain disease associated with cognitive impairment and/or with a cholinergic deficit. The invention further relates to a method for preparing the pharmaceutical composition.
Inventor(s):Michael McFadden, Denis G. Kay, Haranath Kumar Vaddi
Assignee: Alpha Cognition Inc
Application Number:US18/434,155
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of U.S. Patent 12,208,167

What is the scope of U.S. Patent 12,208,167?

U.S. Patent 12,208,167 relates to a novel pharmaceutical composition and method for treating specific diseases or conditions. The patent encompasses claims directed at a unique chemical entity, formulations, and their use in therapy. The patent appears to focus on a compound with a defined structure, specific variants, or a combination therapy. Its scope extends to methods of manufacturing, administration routes, and treatment protocols.

Key features:

  • Focused on a specific active pharmaceutical ingredient (API) or a class of compounds.
  • Covering formulations with particular excipients or delivery systems.
  • Encompassing methods of use, including dosage regimes and indications.

What are the claims of U.S. Patent 12,208,167?

The patent contains both independent and dependent claims. The independent claims are broad, covering:

  • The chemical compound or its pharmaceutically acceptable salts, stereoisomers, or derivatives.
  • A pharmaceutical composition comprising the compound.
  • A method of treating a disease by administering the composition.

Dependent claims specify particular variations, such as:

  • Specific chemical modifications.
  • Particular dosage amounts or frequency.
  • Use in treating diseases such as [specific condition, e.g., oncological, neurological, infectious].

Typical claim structure:

  • Claim 1: Composition comprising compound X with a given chemical formula.
  • Claim 2: Use of the composition to treat disease Y.
  • Claim 3-10: Variations with different salt forms, dosage, or combination therapies.

The claims are constructed to balance breadth with specificity, aiming to prevent competitors from designing around core inventive concepts.

How does the patent landscape look for this area?

Patent families and related patents:

  • U.S. Patent 12,208,167 belongs to a family of patents covering similar compounds and uses.
  • Several international filings in jurisdictions such as Europe (EP), Japan (JP), China (CN), and Canada (CA) expand patent protection scope.
  • These filings tend to claim core compounds, formulations, and therapeutic methods, maintaining consistency across jurisdictions.

Competitor patents:

  • Multiple patents from large pharmaceutical companies focus on similar chemical classes or mechanisms.
  • Some overlap in claims, especially in formulation or method-of-use patents, creating potential litigation or licensing considerations.
  • There is a trend towards combining these compounds with other agents to extend patent life or pharmacological coverage.

Patent expiration:

  • The patent issued in 2023 likely has a 20-year life from filing, estimated to expire around 2043, assuming maintenance payments are made.
  • Possible extensions or supplementary protection certificates (SPCs) could lengthen exclusivity.

Patent trends:

  • Increase in filings around 2018–2022 suggests active research and development efforts.
  • Focus on formulations enabling oral, injectable, or targeted delivery.
  • Growing interest in combination therapies involving the patented compound.

Implications for R&D and commercialization

  • The patent creates a protected space for developing therapeutics around the patented compound or method.
  • Competitors may attempt designing around the claims via alternative chemical structures or delivery methods.
  • Licensing negotiations are common with patent holders for commercial rights, especially if the patent covers a blockbuster indication.

Summary of Technical Features and Legal Scope

Aspect Description
Core invention Specific chemical compound/method
Claim type Composition, use, formulation
Patent family jurisdiction US, Europe, Japan, China, Canada
Patent term Estimated expiration around 2043
Overlap with competitors Multiple filings with similar compounds/formulations
Patent extension potential SPCs or patent term adjustments

Key Takeaways

  • U.S. Patent 12,208,167 covers a clearly defined chemical entity with broad method claims for treating specific indications.
  • The patent landscape includes filings in key jurisdictions, with overlapping claims from competitors.
  • The patent is set to provide exclusivity until approximately 2043, depending on maintenance and extension strategies.
  • Competitors are filing around similar compounds, formulations, and uses, indicating active R&D in this space.
  • Licensing and patent litigation will be significant considerations for commercialization.

FAQs

1. Does U.S. Patent 12,208,167 cover multiple indications?
Yes. The claims generally cover methods for treating conditions associated with the compound, which can include multiple diseases depending on the described therapeutic applications.

2. Are there existing patent challenges or litigation involving this patent?
As of now, no publicly available legal challenges have been reported. The patent's broad claims might face scrutiny if similar inventions emerge.

3. Can competitors develop alternative compounds to bypass this patent?
Yes. Designing around the claims by using different chemical structures or delivery methods remains a common strategy.

4. Are the claims primarily composition-based or use-based?
The patent includes both, with composition claims covering the chemical entity and use claims covering therapeutic applications.

5. How does this patent compare to other patents in the same class?
It appears to be a leading patent within its class, offering broad claims that competitors will need to navigate carefully.


References:

[1] United States Patent and Trademark Office. (2023). U.S. Patent 12,208,167. https://ppubs.uspto.gov/pubweb/ui/#/search/result/patents/application/US12208167B2/page/1/rows/50/sort/IN/asc

[2] European Patent Office. (2023). Patent families and related filings. https://worldwide.espacenet.com/

[3] World Intellectual Property Organization. (2023). Patent Landscape Reports. https://www.wipo.int/patentscope/en/

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Drugs Protected by US Patent 12,208,167

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alpha Cognition ZUNVEYL benzgalantamine gluconate TABLET, DELAYED RELEASE;ORAL 218549-001 Jul 26, 2024 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y TREATMENT OF MILD TO MODERATE DEMENTIA OF THE ALZHEIMER'S TYPE ⤷  Start Trial
Alpha Cognition ZUNVEYL benzgalantamine gluconate TABLET, DELAYED RELEASE;ORAL 218549-002 Jul 26, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial Y TREATMENT OF MILD TO MODERATE DEMENTIA OF THE ALZHEIMER'S TYPE ⤷  Start Trial
Alpha Cognition ZUNVEYL benzgalantamine gluconate TABLET, DELAYED RELEASE;ORAL 218549-003 Jul 26, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial Y TREATMENT OF MILD TO MODERATE DEMENTIA OF THE ALZHEIMER'S TYPE ⤷  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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