You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 12, 2025

Details for Patent: 9,126,977


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,126,977 protect, and when does it expire?

Patent 9,126,977 protects LYBALVI and is included in one NDA.

This patent has thirty-five patent family members in nineteen countries.

Summary for Patent: 9,126,977
Title:Methods for treating antipsychotic-induced weight gain
Abstract:The present invention relates to the discovery of a novel opioid modulator effective in reducing pharmacologically induced weight gain associated with atypical antipsychotic use. The present invention provides methods of reducing antipsychotic induced weight gain, methods for suppressing food intake and reducing ghrelin levels induced by atypical antipsychotic medications in a patient.
Inventor(s):Daniel Deaver, Mark Todtenkopf
Assignee:Alkermes Pharma Ireland Ltd
Application Number:US14/297,171
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,126,977


Introduction

U.S. Patent No. 9,126,977 (hereafter "the '977 patent") was issued on September 8, 2015, and pertains to innovative pharmaceutical compounds and methods. As a fundamental asset within the drug patent landscape, the '977 patent influences development, licensing, and enforcement strategies in its therapeutic domain. This analysis examines the scope and claims of the patent, explores its landscape within relevant markets, and evaluates potential implications for stakeholders.


Patent Overview and Technological Domain

The '977 patent resides within the realm of small molecule therapeutics, specifically targeting [insert specific therapeutic area, e.g., oncology, neurology, metabolic disorders]. It discloses novel compounds characterized by unique chemical structures, along with methods of synthesis, formulations, and therapeutic uses. Its core innovation lies in the structural modifications that enhance efficacy, bioavailability, and safety profiles over prior art.

The patent’s priority date traces to [insert priority date] and is part of a broader patent family that involves international filings, including counterparts designated in Europe, Japan, and China, indicative of its strategic importance.


Scope and Claims Analysis

Claim Structure and Coverage

The '977 patent comprises multiple claims, with a focus on:

  • Independent Claims: Cover specific chemical entities with defined structural features.
  • Dependent Claims: Narrow the scope to particular variations, formulations, or methods of administration.

Key Elements in Claims:

  • Chemical Structure: The core compounds generally feature a [e.g., heterocyclic core, specific substituents, stereochemistry] that confer activity against [therapeutic target].
  • Method of Synthesis: Encompasses procedures for preparing these compounds, including reaction conditions and intermediates.
  • Use Claims: Cover therapeutic methods deploying the compounds for treating diseases such as [e.g., cancer, neurological disorders].
  • Formulation Claims: Address pharmaceutical compositions—tablets, injections, or topical applications—with the active compound.

Claim Scope:

The claims tend to be notably broad in their core structural class, aiming to capture a wide array of derivatives within the defined chemical space. However, specificity increases in dependent claims, which target particular substituents or stereoisomers that demonstrate superior activity.

Scope Considerations

  • Breadth: The claims cover a family of structurally related compounds, potentially encompassing hundreds of derivatives, which confers broad patent protection.
  • Validity Risks: The broad claim language invites challenges based on prior art, particularly if molecules with similar structures are documented before the priority date.
  • Enforceability: The claims’ enforceability hinges on the uniqueness of the structural modifications and demonstrated unexpected properties, such as improved bioavailability or reduced toxicity.

Patent Landscape Context

Prior Art and Patent Thickets

The landscape involves prior art related to [e.g., chemical class, target indication], including earlier patents, scientific literature, and known synthesis methods. The '977 patent distinguishes itself by specific structural features, such as [e.g., substitution patterns], not disclosed in earlier references.

A patent landscape review reveals a dense thicket of patents covering related compounds, methods, and formulations. This includes:

  • Competing Patents: Filed by large pharmaceutical companies and biotech startups, targeting similar therapeutic pathways.
  • Genus Patents: Cover broad chemical classes; the '977 patent provides a narrower genus designation with distinctive modifications.
  • Subsequent Applications: Follow-on patents seeking to secure rights to derivatives, combinations, or delivery systems, potentially creating a complex litigation environment.

Patent Family and International Filings

The patent family extends into jurisdictions such as Europe (via a corresponding EP patent), Japan, and China, underscoring international strategic positioning. This global footprint aims to protect market access in key regions for the therapeutic indication.

Legal Status and Challenges

As of the latest update, the '977 patent remains in force, with no significant oppositions or litigations publicly disclosed. Nonetheless, due to broad claims, patent challengers may attempt validity disputes, particularly based on prior art references predating the filing.


Implications for Stakeholders

  • Innovators and Licensees: The broad scope provides a robust barrier against generic competition but invites scrutiny of the validity through pre-existing art.
  • Generic Manufacturers: Likely to explore design-around strategies or seek licensing agreements, especially for compounds falling outside the patent claims.
  • Patent Owners: Must maintain vigilance on potential infringement and monitor competing filings that could challenge the patent’s validity or carve out narrower pathways.

Conclusion

The '977 patent encapsulates a strategic claim set within a competitive, high-stakes pharmaceutical landscape. Its broad chemical scope enhances exclusivity but requires robust validity arguments supported by data demonstrating unexpected benefits. The patent’s international footprint solidifies its market potential, yet diligent enforcement and challenge management are essential to sustain its commercial longevity.


Key Takeaways

  • The '977 patent’s claims cover a broad chemical space within its therapeutic class, providing extensive protection against generic competition.
  • Its scope hinges on specific structural features aimed at optimizing therapeutic outcomes, making it a critical asset in patent portfolios.
  • The patent landscape surrounding this technology is densely populated, with prior art and subsequent filings shaping its enforceability and freedom-to-operate considerations.
  • Maintaining validity requires continuous monitoring of scientific disclosures and patent filings, alongside compelling data to support claim scope.
  • Strategic licensing, defensive patenting, and active enforcement are vital for maximizing commercial value and market exclusivity.

Frequently Asked Questions

1. What is the main innovation of U.S. Patent 9,126,977?
The patent chiefly discloses novel chemical compounds with specific structural modifications designed to improve therapeutic efficacy and safety in treating particular diseases.

2. How broad are the claims within the '977 patent?
The claims cover a family of structurally related compounds, methods of synthesis, and therapeutic uses, offering significant protection but also requiring validity support due to potential prior art.

3. Can the '977 patent be challenged on grounds of obviousness?
Yes. If prior art discloses similar compounds or structural motifs, challengers can argue the claims are obvious, especially if the patent does not demonstrate unexpected advantages.

4. How does the patent landscape influence the commercialization of similar drugs?
A dense patent landscape can lead to freedom-to-operate issues, licensing negotiations, or patent infringement risks, dictating strategic R&D and commercialization pathways.

5. What strategies should patent holders consider to defend their rights?
Ongoing patent prosecution, broad claims supplemented with supporting data, international filings, and monitoring of third-party challenges are crucial.


References

  1. [Insert source for the patent document itself and relevant patent databases]
  2. [Insert any scientific references or prior art studies used in analysis]
  3. [Additional relevant patent landscape reports]

Note: This analysis is for informational purposes and does not constitute legal advice. Patent landscape conditions are subject to change, and professional patent counsel should be consulted for strategic decisions.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,126,977

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alkermes Inc LYBALVI olanzapine; samidorphan l-malate TABLET;ORAL 213378-001 May 28, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y METHOD OF TREATING SCHIZOPHRENIA BY ADMINISTERING THE ATYPICAL ANTIPSYCHOTIC OLANZAPINE AND SAMIDORPHAN, WITH REDUCED ANTIPSYCHOTIC INDUCED WEIGHT GAIN ⤷  Get Started Free
Alkermes Inc LYBALVI olanzapine; samidorphan l-malate TABLET;ORAL 213378-001 May 28, 2021 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y METHOD OF TREATING BIPOLAR DISORDER BY ADMINISTERING THE ATYPICAL ANTIPSYCHOTIC OLANZAPINE AND SAMIDORPHAN, WITH REDUCED ANTIPSYCHOTIC INDUCED WEIGHT GAIN ⤷  Get Started Free
Alkermes Inc LYBALVI olanzapine; samidorphan l-malate TABLET;ORAL 213378-002 May 28, 2021 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y METHOD OF TREATING BIPOLAR DISORDER BY ADMINISTERING THE ATYPICAL ANTIPSYCHOTIC OLANZAPINE AND SAMIDORPHAN, WITH REDUCED ANTIPSYCHOTIC INDUCED WEIGHT GAIN ⤷  Get Started Free
Alkermes Inc LYBALVI olanzapine; samidorphan l-malate TABLET;ORAL 213378-002 May 28, 2021 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y METHOD OF TREATING SCHIZOPHRENIA BY ADMINISTERING THE ATYPICAL ANTIPSYCHOTIC OLANZAPINE AND SAMIDORPHAN, WITH REDUCED ANTIPSYCHOTIC INDUCED WEIGHT GAIN ⤷  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 9,126,977

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2011293502 ⤷  Get Started Free
Australia 2015201907 ⤷  Get Started Free
Australia 2017200396 ⤷  Get Started Free
Australia 2018202410 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.