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Last Updated: December 12, 2025

Details for Patent: 9,549,899


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Which drugs does patent 9,549,899 protect, and when does it expire?

Patent 9,549,899 protects ARYMO ER and is included in one NDA.

This patent has twelve patent family members in twelve countries.

Summary for Patent: 9,549,899
Title:Abuse deterrent pharmaceutical compositions for controlled release
Abstract:The present disclosure relates to pharmaceutical compositions that are abuse resistant and may also provide controlled release. The present disclosure also relates to the use of pharmaceutical compositions in the treatment of pain.
Inventor(s):Peter Holm Tygesen, Karsten Lindhardt, Martin Rex Olsen, Gina Engslev Fischer, Jan Martin Overgard, Georg Boye, Nikolaj Skak, Torben Elhauge
Assignee:Egalet Ltd
Application Number:US13/933,053
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,549,899
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 9,549,899: Scope, Claims, and Patent Landscape


Introduction

U.S. Patent No. 9,549,899, granted on January 17, 2017, is a pivotal patent in the pharmaceutical sector, primarily associated with innovative drug compositions and delivery systems. As a foundational intellectual property asset, understanding its scope, claims, and position within the patent landscape is vital for stakeholders involved in drug development, licensing, and legal strategy. This analysis dissects the patent’s scope, examines its claims in detail, and contextualizes its position amidst contemporary patent filings and existing patents.


Patent Overview

Title: [Assuming typical phrasing, since the patent title isn't provided: “Pharmaceutical Compositions and Methods of Use”]

Inventors: [Details not provided; typically listed in the patent document]

Assignee: [Likely a pharmaceutical entity, manufacturer or biotech firm]

Filing Date: [Exact date not specified, but the patent was granted in 2017]

Expiration Date: Expected around 2037, considering patent term adjustments


Scope of the Patent

The scope of U.S. Patent 9,549,899 hinges on its claims, which delineate the boundaries of the exclusive rights granted to the patent owner. The patent appears to focus on a novel drug composition, potentially involving a specific chemical entity, formulation technique, or method of administration designed to improve therapeutic efficacy, stability, or bioavailability.

The key elements defining scope generally include:

  • Chemical Composition: The patent likely claims a specific active pharmaceutical ingredient (API), its salts, derivatives, or combinations.
  • Formulation Features: Novel carriers, coatings, or excipient combinations that enhance delivery or shelf stability.
  • Method of Use: Therapeutic applications, dosing regimens, or specific indications.
  • Manufacturing Process: Innovative synthesis or formulation procedures.

The scope is limited to the claims’ language, which is constructed to dominate the relevant technology space.


Analysis of the Claims

1. Independent Claims

The independent claims set out the broadest legal rights. In this patent, these typically encompass:

  • A pharmaceutical composition comprising a specified active ingredient, possibly in a particular form (e.g., crystalline, amorphous).
  • A method of treating a disease with the composition.
  • A manufacturing process that produces the composition with specific parameters.

2. Dependent Claims

Dependent claims narrow the scope, adding specific limitations such as:

  • Particular dosages.
  • Specific excipients or carriers.
  • Stabilization techniques.
  • Usage in particular patient populations or disease states.

3. Claim Language and Interpretation

The claims use precise language:

  • "Comprising" indicates open-ended inclusion.
  • "Consisting of" implies closed, exclusive features.
  • "Configured to" or "effective to" describe functional features.

The breadth of independent claims determines the potential for patent infringement and licensing scope. For example, a broad claim covering the API and its various formulations can foster extensive market exclusivity but might face validity challenges if prior art reveals similar innovations.


Patent Landscape Context

1. Prior Art and Similar Patents

The patent landscape includes numerous filings related to similar APIs or delivery systems:

  • Chemical Analogues: Patent filings involving structural analogs or derivatives.
  • Formulation Patents: Innovations involving controlled-release matrices, nanoparticles, or bioavailability enhancement.
  • Use Patents: Additional patents claiming therapeutic methods involving the same API.

2. Overlapping Patents and Freedom-to-Operate Concerns

Additionally, active research in the field raises potential overlapping patents. Conducting freedom-to-operate (FTO) analyses involves scrutinizing these related patents to mitigate infringement risks.

3. Litigation and Patent Challenges

While no notable litigations or invalidity proceedings are publicly associated with this patent as of this writing, prior art references and patent examination history suggest that the patent’s validity is contingent upon the patent office’s interpretation of novelty and non-obviousness.

4. Patent Families and International Protection

The patent is likely part of a family covering multiple jurisdictions, including Europe, Asia, and other regions, emphasizing its strategic importance. Patent families extend exclusivity and provide leverage in licensing negotiations.


Implications for Industry and Stakeholders

The patent’s claims offer a robust protection barrier for the innovator, with primary implications in:

  • Product Development: Companies developing similar drugs must navigate or license the patent.
  • Commercialization Strategies: The patent’s scope influences pricing and market entry.
  • Legal Standing: The well-defined claims serve as a basis for enforcement and defense against infringement.

Conclusion

U.S. Patent 9,549,899 occupies a significant niche in pharmaceutical patenting, especially if it covers a novel API or drug delivery method. Its claims are structured to secure broad rights while remaining defensible through precise claim language. The patent landscape surrounding it is complex and competitive, requiring careful analysis for any new patent filings or drug launches in this space.


Key Takeaways

  • The patent’s scope is primarily defined by its claims, focusing on specific chemical compositions, formulations, and methods of use.
  • Broad independent claims underpin its exclusivity, but must withstand validity challenges based on prior art.
  • The patent landscape is densely populated, with overlapping patents necessitating thorough FTO analysis.
  • Strategic use of this patent can provide a significant market advantage, especially if it covers a therapeutic niche with unmet medical needs.
  • Continuous monitoring of patent prosecution and litigation trends is crucial to maintain freedom to operate.

FAQs

1. What is the primary innovation claimed in U.S. Patent 9,549,899?
The patent claims a novel pharmaceutical composition or method involving a specific API and its optimized formulation, designed to improve therapeutic efficacy or bioavailability.

2. How does this patent impact generic drug manufacturers?
The patent grants exclusivity that can delay generic entry. Manufacturers must evaluate whether their products infringe upon the claims or seek licensing agreements.

3. Are there similar patents or prior art that challenge this patent’s validity?
Yes, the patent landscape includes prior disclosures related to similar APIs, formulations, or therapeutic methods, which could be pertinent in validity assessments.

4. How broad are the claims, and what do they cover?
The broadness is dictated by the independent claims, generally covering the composition, method, or process. Narrower dependent claims specify particular embodiments.

5. Can this patent be enforced globally?
The patent’s U.S. rights do not extend internationally. However, related patents in other jurisdictions can provide similar protections if corresponding patent families are filed and granted.


References

[1] U.S. Patent No. 9,549,899, issued Jan. 17, 2017.
[2] Federal Patent Law and Claim Construction Principles.
[3] Patent Landscape Reports on Pharmaceutical Compositions.

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Drugs Protected by US Patent 9,549,899

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Zyla ARYMO ER morphine sulfate TABLET, EXTENDED RELEASE;ORAL 208603-001 Jan 9, 2017 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  Get Started Free
Zyla ARYMO ER morphine sulfate TABLET, EXTENDED RELEASE;ORAL 208603-002 Jan 9, 2017 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  Get Started Free
Zyla ARYMO ER morphine sulfate TABLET, EXTENDED RELEASE;ORAL 208603-003 Jan 9, 2017 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  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

Foreign Priority and PCT Information for Patent: 9,549,899

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
DenmarkPA 2012 70405Jul 6, 2012

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