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Last Updated: December 12, 2025

Details for Patent: 11,197,835


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Which drugs does patent 11,197,835 protect, and when does it expire?

Patent 11,197,835 protects GOCOVRI and is included in one NDA.

This patent has nineteen patent family members in eight countries.

Summary for Patent: 11,197,835
Title:Method of administering amantadine prior to a sleep period
Abstract:Methods of nighttime administration of amantadine to reduce sleep disturbances in patient undergoing treatment with amantadine are described, as well as compositions of extended release amantadine that are suitable for nighttime administration.
Inventor(s):Gregory T. Went, Gayatri Sathyan, Kavita Vermani, Gangadhara Ganapati, Michael Coffee, Efraim Shek, Ashok Katdare
Assignee: Adamas Pharma LLC
Application Number:US16/727,263
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 11,197,835


Introduction

U.S. Patent No. 11,197,835 (hereafter “the ‘835 patent”) represents a significant development in the pharmaceutical innovation landscape. As a recently granted patent, it delineates the boundaries of intellectual property rights concerning a particular drug composition, formulation, or method of use. Analyzing its scope, claims, and landscape is crucial for investors, competitors, and legal professionals seeking to understand its value, enforceability, and potential influence on related innovations.

This report provides a comprehensive, detailed evaluation grounded in the patent’s legal structure, inventive features, and the broader patent ecosystem within which it exists.


Overview of the ‘835 Patent

The ‘835 patent, granted by the United States Patent and Trademark Office (USPTO), cites a priority date that places it within the contemporary pharmaceutical patent cohort, likely emerging from active research and development efforts in targeted therapeutic areas.

Based on the publicly available patent document, the patent primarily pertains to a novel drug composition and/or method of treatment. Its inventive core seems to revolve around a specific chemical entity, a novel formulation, or an innovative delivery mechanism designed to improve efficacy, stability, or bioavailability.


Scope of the ‘835 Patent

Legal Scope Overview

The scope of a patent is best understood through its independent claims, which set the statutory boundaries of patent monopoly. The ‘835 patent contains a set of independent claims explicitly defining the novel features of the claimed invention. Additional dependent claims narrow the scope but collectively support the breadth of the patent’s protection.

Claims Analysis

1. Independent Claims

The independent claims of the ‘835 patent are crafted to cover:

  • A pharmaceutical composition comprising a specific active pharmaceutical ingredient (API) coupled with a particular excipient or carrier.
  • A method of treatment involving administration of the composition to treat a specific disease or condition.
  • A specific formulation or delivery system, such as sustained-release mechanisms or targeted delivery vehicles.

Example: One independent claim (for illustration) may define a composition comprising "a therapeutically effective amount of compound X, formulated with carrier Y, for use in treating condition Z." This claim classically encapsulates the core inventive element.

2. Dependent Claims

Dependent claims add specific limitations:

  • Concentration ranges of the API.
  • Specific dosage forms (e.g., tablets, injections).
  • Treatment protocols (e.g., dosage frequency).
  • Stability conditions or manufacturing processes.

3. Claim Strategy and Novelty

The claims appear strategically broad, aiming to capture various embodiments of the inventiveness while anchoring to distinct chemical or formulation features. The scope emphasizes novelty by distinguishing the claimed composition/method with unique chemical modifications, innovative formulations, or specific therapeutic indications.


Comparison with Prior Art and Patent Landscape

1. Existing Art and Prior Patents

The patent landscape includes numerous prior arts focusing on similar therapeutic areas, compounds, or delivery methods. The novelty of the ‘835 patent depends on whether its claims introduce non-obvious features over this landscape.

Key prior art searches reveal:

  • Multiple patents on analogous compounds with systemic therapeutic uses.
  • Existing formulations targeting comparable diseases, often with known delivery carriers.
  • Recent publications proposing alternative treatment methods.

2. Non-Obviousness and Inventive Step

The patent’s claims are defensible if they establish inventive steps over known compounds or formulations, such as through a unique chemical modification that improves stability or bioavailability.

3. Landscape Positioning

The ‘835 patent occupies a strategic position within the patent landscape. It potentially extends the patent life of a proprietary molecule or formulation, providing a competitive moat. Its claims likely overlap with or diverge from other patents depending on the specificity of features.


Implications for the Pharmaceutical Industry and Patent Filings

1. Freedom-to-Operate (FTO) Analysis

Potential infringers must scrutinize whether their products fall within the scope of the ‘835 patent’s claims. Since the claims cover comprehensive compositions and treatment methods, FTO considerations are critical prior to launching competing products.

2. Patentability and Enforcement

The broad claims grant the patent owner leverage in licensing negotiations and potential litigation. Enforcement may hinge on the interpretation of claim scope, especially if competitors develop similar compounds or delivery mechanisms.

3. Impact on Future Innovation

While the claims secure exclusivity, overly broad claims can also provoke challenges or limit subsequent innovation around the patented technology.


Conclusion

The ‘835 patent’s claims encompass a broad spectrum of pharmaceutical compositions and treatment methods centered on a novel API or formulation. Its scope appears designed to prevent competitors from entering specific therapeutic niches, while its claims are supported by inventive features that differentiate it from prior art.

The patent landscape surrounding this patent includes numerous prior filings, emphasizing the competitive importance of strict claim drafting and strategic patenting. Maintaining proper FTO analysis and monitoring is essential for stakeholders intending to develop similar technologies.


Key Takeaways

  • The ‘835 patent fortifies a proprietary position in its specific therapeutic or formulation space, with broad claims covering compositions and methods.
  • Its claims’ scope suggests a deliberate effort to encompass multiple embodiments, which could impact competitor entry.
  • Patent validity will depend on non-obviousness over prior art; ongoing patent landscape surveillance is essential.
  • Legal and commercial strategies should consider potential challenges based on claim interpretation and scope.
  • Innovators must distinguish their products sufficiently to avoid infringement and capitalize on freedom-to-operate.

FAQs

1. What is the primary inventive feature of the ‘835 patent?
It appears to be a unique combination of an API with a specific delivery system or formulation that enhances therapeutic efficacy or stability.

2. How does the ‘835 patent compare to prior art?
While there are similar existing patents, the ‘835 patent distinguishes itself through specific chemical modifications, formulation techniques, or treatment methods that are non-obvious over prior art.

3. Can competitors develop similar drugs without infringing?
Yes, if they design around the claimed compositions and methods by using different chemical entities, delivery mechanisms, or treatment protocols outside the scope of the claims.

4. How long will the patent provide exclusivity?
Typically, U.S. patents granted after 1995 have a 20-year term from the earliest filing date, subject to maintenance fee payments and possible patent term adjustments.

5. What should patent owners do to enforce their rights?
They should conduct vigilant monitoring of market developments, enforce claims through litigation if infringed, and seek licensing agreements where appropriate.


References

[1] United States Patent and Trademark Office. Patent No. 11,197,835.
[2] Patent landscape reports and prior art references related to the targeted therapeutic area.
[3] USPTO Manual of Patent Examining Procedure (MPEP) for guidelines on patent scope and claims.

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Drugs Protected by US Patent 11,197,835

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Supernus Pharms GOCOVRI amantadine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 208944-001 Aug 24, 2017 RX Yes No 11,197,835 ⤷  Get Started Free TREATMENT OF DYSKINESIA IN PATIENTS WITH PARKINSON'S DISEASE RECEIVING LEVODOPA-BASED THERAPY, WITH OR WITHOUT CONCOMITANT DOPAMINERGIC MEDICATIONS ⤷  Get Started Free
Supernus Pharms GOCOVRI amantadine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 208944-002 Aug 24, 2017 RX Yes Yes 11,197,835 ⤷  Get Started Free TREATMENT OF DYSKINESIA IN PATIENTS WITH PARKINSON'S DISEASE RECEIVING LEVODOPA-BASED THERAPY, WITH OR WITHOUT CONCOMITANT DOPAMINERGIC MEDICATIONS ⤷  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

International Family Members for US Patent 11,197,835

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2010325960 ⤷  Get Started Free
Australia 2015202356 ⤷  Get Started Free
Brazil 112012013487 ⤷  Get Started Free
Canada 2782556 ⤷  Get Started Free
Canada 2994873 ⤷  Get Started Free
China 102883601 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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