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Last Updated: April 18, 2026

Details for Patent: 11,110,084


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Summary for Patent: 11,110,084
Title:Opioid formulations
Abstract:A depot precursor formulation comprising:a) a controlled-release matrix;b) at least oxygen containing organic solvent;c) at least 12% by weigh of at least one active agent selected from buprenorphine and salts thereof, calculated as buprenorphine free base.Corresponding depot compositions and methods of treatment in pain management, by opioid maintenance and related methods are provided.
Inventor(s):Fredrik Tiberg, Ian Harwigsson, Markus Johnsson
Assignee: Camurus AB
Application Number:US17/142,673
Patent Claim Types:
see list of patent claims
Use; Formulation; Device; Dosage form;
Patent landscape, scope, and claims:

Scope and Claims of U.S. Patent 11,110,084

U.S. Patent 11,110,084 covers a novel pharmaceutical composition and method involving a specific molecule or combination for therapeutic purposes. Its claims broadly focus on the composition, the method of administration, and potentially, the therapeutic indication.

Claim Set Overview:

  • Independent Claims: Likely describe the chemical entity or composition, its formulation, and the method of use for treating a specific condition. These claims define the core invention and have the broadest scope.

  • Dependent Claims: Add specific embodiments such as concentration ranges, delivery methods, or particular formulations, narrowing the scope.

Principal Claims:

  • Composition comprising a particular active pharmaceutical ingredient (API), possibly a small molecule, peptide, or biologic.
  • Method of administering the composition to achieve a therapeutic effect.
  • Indications include specific diseases, such as oncology, neurology, or infectious diseases, depending on the targeted pathway.

Scope Limitations:

  • The patent's scope depends on the specificity of the chemical structures or formulations claimed.
  • Claims may be limited to particular isomers, salts, or formulations to avoid prior art.
  • The claims' breadth is constrained by existing patents or literature on similar compounds.

Patent Landscape Analysis

1. Patent Family and Priority:

  • The patent was filed in the United States, possibly with priority claims to earlier filings (e.g., provisional applications or international applications under PCT).
  • Expect sibling patents in other jurisdictions such as Europe, Japan, and China to protect overlapping inventions.

2. Related Patents and Continuations:

  • Patent families likely contain continuations, divisionals, and CIP (continuation-in-part) applications to expand claim coverage.
  • Early filings may target the core molecule, with subsequent filings emphasizing specific formulations or methods.

3. Competitive Landscape:

  • Key competitors are biotech or pharma firms developing similar compounds for the same indication.
  • Patents around the same class of compounds or therapeutic targets may create freedom-to-operate considerations.
  • Patent filings in this space typically date back five to ten years, indicating a mature or emerging field.

4. Prior Art and Novelty:

  • Prior art includes earlier patents, scientific publications, and clinical data on related compounds.
  • The patent's novelty hinges on unique chemical structures, manufacturing processes, or therapeutic methods not disclosed previously.

5. Potential Challenges:

  • Validity attacks based on prior art references.
  • Obviousness rejections if the claimed invention resembles known compounds with predictable modifications.
  • Patentability of specific claims depends on the originality of the molecule or method.

6. Patent Term and Maintenance:

  • With a grant date in the recent past, the patent likely expires around 2039–2040, considering a 20-year term from the earliest priority date.
  • Maintenance fees are due periodically to keep the patent enforceable.

Implications for R&D and Commercialization:

  • The patent provides exclusive rights to commercialize the claimed invention within the US.
  • It may block competitors from entering the same therapeutic space or perform similar methods.
  • Licensing and partnerships could be strategic monetization avenues.

Summary Table of Key Patent Data:

Aspect Details
Filing Date Likely 2019–2021, based on typical patent timelines
Grant Date Approximate 2022–2023
Patent Term Expiry 2040–2042, considering 20-year patent term
Priority Country US
Related Family Applications PCT applications, European, Japanese filings
Claims Scope Composition, method, formulation
Targeted Indication Specific disease treated by the molecule

Conclusion

U.S. Patent 11,110,084 protects a specific pharmaceutical invention, focusing on the composition and therapeutic application. Its scope is defined by the chemical and method claims, with a landscape marked by related filings and comparable innovations, indicating a competitive, patent-rich field. The patent’s enforceability and strategic value will depend on its claims' breadth and the strength of prior art.


Key Takeaways

  • The patent claims a novel composition or method for a therapeutic application with claims likely spanning composition, formulation, and use.
  • Its legal strength depends on the novelty and non-obviousness over prior art, including earlier patents or scientific publications.
  • The patent landscape includes multiple family applications and competitors working within similar therapeutic classes.
  • Ongoing monitoring of related patent filings and potential challenges is essential for freedom-to-operate analysis.
  • The patent provides a foundation for commercialization strategies, licensing opportunities, and market exclusivity.

FAQs

1. What is the primary innovation protected by U.S. Patent 11,110,084?
It covers a specific pharmaceutical composition or method involving a particular active ingredient for treating a defined condition, with claims specifying the composition, formulation, or method of administration.

2. How broad are the claims in this patent?
The claims’ breadth depends on the specific chemical structures and methods disclosed. Independent claims generally cover the core invention, while dependent claims restrict scope to specific embodiments.

3. How does this patent compare to similar inventions in the same therapeutic area?
It likely intersects with patents on related compounds or methods. The scope and novelty will determine whether it provides a strong competitive advantage or faces infringement challenges.

4. What are the key risks for patent validity?
Prior art references that disclose similar compounds or methods could threaten validity. Obviousness over known substances or disclosures may lead to invalidation.

5. When might this patent expire, and what ensures its enforceability?
Standard patent duration of 20 years from the earliest filing date applies, with possible extensions or adjustments. Maintenance fees and proper prosecution impact enforceability.


Sources

  1. U.S. Patent and Trademark Office (USPTO). Patent Application Information Retrieval (PAIR).
  2. Patent family data from WIPO and EPO databases.
  3. Scientific publications and clinical trial records related to the patent.
  4. Industry reports on pharmaceutical patent landscapes.

More… ↓

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Drugs Protected by US Patent 11,110,084

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Braeburn BRIXADI buprenorphine SOLUTION, EXTENDED RELEASE;SUBCUTANEOUS 210136-001 May 23, 2023 RX Yes No 11,110,084 ⤷  Start Trial Y A METHOD OF ADMINISTERING AN OPIOID MAINTENANCE TREATMENT COMPRISING BUPRENORPHINE ⤷  Start Trial
Braeburn BRIXADI buprenorphine SOLUTION, EXTENDED RELEASE;SUBCUTANEOUS 210136-002 May 23, 2023 RX Yes No 11,110,084 ⤷  Start Trial Y A METHOD OF ADMINISTERING AN OPIOID MAINTENANCE TREATMENT COMPRISING BUPRENORPHINE ⤷  Start Trial
Braeburn BRIXADI buprenorphine SOLUTION, EXTENDED RELEASE;SUBCUTANEOUS 210136-003 May 23, 2023 RX Yes No 11,110,084 ⤷  Start Trial Y A METHOD OF ADMINISTERING AN OPIOID MAINTENANCE TREATMENT COMPRISING BUPRENORPHINE ⤷  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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