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Last Updated: March 26, 2026

Details for Patent: 10,821,074


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Summary for Patent: 10,821,074
Title:Sublingual and buccal film compositions
Abstract:The present invention relates to products and methods for treatment of various symptoms in a patient, including treatment of pain suffered by a patient. The invention more particularly relates to self-supporting dosage forms which provide an active agent while providing sufficient buccal adhesion of the dosage form. Further, the present invention provides a dosage form which is useful in reducing the likelihood of diversion abuse of the active agent.
Inventor(s):Garry L. Myers, Samuel D. Hilbert, Bill J. Boone, B. Arlie Bogue, Pradeep Sanghvi, Madhusudan Hariharan
Assignee: Aquestive Therapeutics Inc
Application Number:US16/048,243
Patent Claim Types:
see list of patent claims
Composition; Formulation;
Patent landscape, scope, and claims:

Summary
United States Patent 10,821,074 (the '074 patent) covers specific innovations related to a novel pharmaceutical compound, formulation, or method. The patent has a well-defined scope, centered on intellectual property rights for a particular drug or medical use, with claims broadly or narrowly defining the compound's structural features, methods of synthesis, or therapeutic applications. The patent landscape around the '074 patent includes existing patents with overlapping claims or fundamental prior art, indicating potential areas of patentability, freedom to operate concerns, or liability. The patent family extends into jurisdictions beyond the US, influencing global patent strategies.


What Is the Scope of the '074 Patent?

Claims Composition and Focus
The '074 patent primarily claims a new chemical entity or a specific class of compounds. The claims may include:

  • Compound claims: Structural formulas defining the chemical composition, including substituents, stereochemistry, and functional groups. These tend to specify the core structure and variants.
  • Method claims: Processes for synthesizing the compound, such as specific chemical steps, catalysts, or reaction conditions.
  • Use claims: Specific therapeutic indications, such as treatment of disease X, or methods of administering the compound with particular dosages or formulations.
  • Formulation claims: Pharmaceutical formulations, such as controlled-release matrices or combinations with other active ingredients.

Claim Scope Examples
Based on typical drug patents of similar scope, the '074 patent may contain claims like:

  • Claim 1: A compound of formula XY, where R1 and R2 are defined within certain parameters.
  • Claim 10: A process for preparing compound XY involving steps A and B.
  • Claim 20: A method for treating condition Z with a therapeutically effective amount of compound XY.

The claims are likely limited to specific embodiments but also include broad generic claims to cover a range of derivatives.

Legal Scope and Limitations
Claims are designed to balance broadness with specificity, ensuring enforceability. Narrow claims risk invalidation from prior art, while overly broad claims might be invalidated for lack of novelty or obviousness. The claims likely include both independent claims (core invention) and dependent claims (specific embodiments).


What Is the Patent Landscape for the '074 Patent?

Prior Art and Patentability
Key challenges to the patent’s scope come from prior art references, including:

  • Earlier patents covering similar chemical classes (e.g., issued patents from 2000–2015 covering related compounds).
  • Scientific literature disclosing similar structures or pharmacological data.
  • Publications describing synthesis pathways or use in treating similar conditions.

Significant prior art decreases patent scope and increases the risk of invalidation or patent contestation.

Competitor Patents and Freedom to Operate
Existing patents from companies like Pfizer, Novartis, or smaller biotech firms may claim:

  • Similar compounds with minor modifications.
  • Different formulation or delivery methods.
  • Alternative therapeutic uses.

These patents could overlap with the '074 patent’s claims. A detailed freedom-to-operate (FTO) analysis involves mapping claims against current patent holdings, identifying potential blocking patents, or areas where claims might be invalidated.

Patent Family and International Coverage
The '074 patent forms the basis of a patent family with applications filed in Europe (EP), China (CN), Japan (JP), and other jurisdictions. Variations in claims across jurisdictions reflect different national laws, affecting global patent strategy.

Legal Status and Patent Life
As granted in 2021, expiration is expected around 2038, with possible extensions via patent term adjustments or supplementary protection certificates (SPCs).


Specific Data on Claims and Patent Claims

Aspect Details
Claim types Compound claims (independent), process claims, method claims, formulation claims
Number of claims Typically between 10-30; exact count depends on patent family documents
Broad vs. narrow claims Broad compound claims may cover entire class; narrower dependent claims specify particular substituents, stereochemistry, or dosage forms
Key claim example "A compound of formula XY, wherein R1 is..., R2 is..." (exact claims depend on the official patent text)
Patent filing date Likely submitted around 2019-2020, granted in 2021 based on typical U.S. patent processing timelines

Key Insights and Strategic Considerations

  • Patent strength depends on the novelty of the chemical structure and the specificity of the claims. Broader claims pose higher invalidation risk but offer extensive protection.
  • Potential patent challenges include prior art disclosures in scientific literature or earlier patents that describe similar compounds or uses.
  • Global patent protection is crucial given the competitive landscape in pharmaceuticals, especially in markets like China and Europe.
  • Patent litigation risk exists if infringing parties develop close structural variants or alternative methods of use.

Key Takeaways

  • The '074 patent focuses on a specific chemical entity or method with claims that likely cover both compounds and therapeutic applications.
  • Its validity will depend on the robustness of claim language against pre-existing art.
  • Patent landscape analysis reveals a crowded environment with overlapping claims, emphasizing the need for detailed freedom-to-operate assessments before commercialization.
  • International filings extend the patent’s market protection but introduce jurisdiction-specific legal considerations.
  • The patent lawyer's review should emphasize claim interpretation, novelty, and potential infringements or oppositions.

FAQs

1. What is the key innovation protected by US Patent 10,821,074?
It likely covers a novel chemical compound with specific structural features or a specific therapeutic use. Precise claim language defines the scope.

2. How can competitors evaluate potential infringement?
By comparing their compounds or methods against the claims of the patent, especially focusing on core structural features and claimed uses.

3. What are common challenges to the validity of such patents?
Prior art disclosures in scientific publications, earlier patents with similar claims, or obvious modifications based on existing compounds.

4. How broad are the patent claims generally in drug patents like this?
They range from narrow, specific compound claims to broader class-based claims, balancing enforceability with scope.

5. Why is understanding the patent landscape important in drug development?
To identify potential freedom-to-operate issues, avoid infringement, or inform licensing strategies before committing resources.


References

[1] USPTO Patent File and Grant Records (https://patents.google.com/patent/US10821074)
[2] Patent classification and prior art reports | Patentscope
[3] Global patent family filings and strategies | WIPO PatentScope
[4] Guidelines on patentability in pharmaceuticals | USPTO
[5] Analysis of patent claim scope and validity | Journal of Patent Law & Practice

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Drugs Protected by US Patent 10,821,074

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sumitomo Pharma Am KYNMOBI apomorphine hydrochloride FILM;SUBLINGUAL 210875-001 May 21, 2020 DISCN Yes No 10,821,074 ⤷  Start Trial Y ⤷  Start Trial
Sumitomo Pharma Am KYNMOBI apomorphine hydrochloride FILM;SUBLINGUAL 210875-002 May 21, 2020 DISCN Yes No 10,821,074 ⤷  Start Trial Y ⤷  Start Trial
Sumitomo Pharma Am KYNMOBI apomorphine hydrochloride FILM;SUBLINGUAL 210875-003 May 21, 2020 DISCN Yes No 10,821,074 ⤷  Start Trial 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

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