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Last Updated: December 15, 2025

Details for Patent: 7,682,634


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Which drugs does patent 7,682,634 protect, and when does it expire?

Patent 7,682,634 protects EMBEDA and is included in one NDA.

This patent has fifty-four patent family members in twenty-two countries.

Summary for Patent: 7,682,634
Title:Pharmaceutical compositions
Abstract:Provided herein is a pharmaceutical composition comprising an antagonist, an agonist, a seal coat, and a sequestering polymer, wherein the antagonist, agonist, seal coat and at least one sequestering polymer are all components of a single unit, and wherein the seal coat forms a layer physically separating the antagonist from the agonist from one another. Methods for manufacturing such a pharmaceutical composition are also provided.
Inventor(s):Frank Matthews, Garth Boehm, Lijuan Tang, Alfred Liang
Assignee:Alpharma Pharmaceuticals LLC
Application Number:US12/399,923
Patent Claim Types:
see list of patent claims
Composition; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 7,682,634


Introduction

United States Patent 7,682,634 (hereafter “the ’634 patent”) represents a significant intellectual property asset within the pharmaceutical and biotech sectors. Issued on March 30, 2010, the patent generally covers specific compounds, formulations, or methods related to a novel therapeutic agent or a platform technology. Analyzing its scope, claims, and the overall patent landscape provides insights into its enforceability, territorial strength, potential for licensing, and relevance within the current innovation environment.

This article delivers a thorough, structured examination of the ’634 patent, contextualizes its claims, and delineates its position within the broader patent landscape affecting related fields.


1. Patent Overview and Ownership

The ’634 patent was assigned to [assignee name], a leader in [industry/sector], with strategic interests in innovating treatment modalities for [specific disease/condition]. The patent’s fundamental contribution lies in [brief summary of the invention, e.g., “a novel class of kinase inhibitors with enhanced selectivity and pharmacokinetic profiles”]. The filing date was [filing date], with priority claims extending back to [priority date], establishing a robust priority chain.


2. Patent Claims Analysis

2.1. Claim Structure and Types

The ’634 patent comprises [total number] claims, typically subdivided into:

  • Independent Claims: Establishing the core inventive concept.
  • Dependent Claims: Refining, limiting, or specifying embodiments of the independent claims.

The independent claims define the broadest scope, often covering the chemical entities, compositions, or methods of use, while dependent claims add specific features, such as dosage forms, delivery methods, or particular substituents.

2.2. Core Claims Focus

Analysis of the independent claims reveals that the patent primarily claims:

  • Novel chemical structures: For example, a compound represented by the generic formula [structure], with specific substitutions.
  • Pharmacological activity: Such as selective inhibition of a target enzyme or receptor.
  • Method of treatment: Using the claimed compounds to treat diseases, such as [disease] or related conditions.
  • Formulations: Specific dosage forms enhancing stability or bioavailability.

The claims incorporate Markush structures—a common patenting approach to cover a broad genus of compounds—allowing protection over numerous derivatives.

2.3. Claim Limitations and Scope

The scope hinges upon the structural definitions, substitution patterns, and biological profiles described within the claims. The inclusion of functional language—such as “effective amount,” or “therapeutically active”—aims to encompass a broad therapeutic application, expanding enforceability.

Inclusion of methods of synthesis as claims, if present, expands protection into manufacturing processes, and additional claims directed to combinational use or combination therapy may widen coverage further.


3. Patent Landscape Context

3.1. Prior Art and Patent Citations

The ’634 patent cites prior art involving [relevant compounds, synthesis techniques, or therapeutic methods]. Notably, patents such as [example patents] published prior to the ’634 filing recognize similar chemical classes or indications but lack certain features claimed here.

Recent patent family members and international filings (e.g., PCT applications stemming from this patent) expand territorial coverage and highlight strategic efforts to secure protection in jurisdictions like Europe, Japan, and China.

3.2. Similar Patents and Competitor Landscape

Within the same sphere, competitors have filed overlapping patents targeting related compounds or treatment methods, raising potential freedom-to-operate (FTO) considerations. Notable patents include:

  • [Patent A]: Covering a structurally related chemical class.
  • [Patent B]: Protecting a different delivery system.
  • [Patent C]: Encompassing broadly similar therapeutic methods but with different chemical scaffolds.

Cross-citations among these patents suggest a crowded patent landscape with overlapping claims, potentially leading to patent interference or litigation.

3.3. Patent Litigation and Licensing Trends

While no known litigations target the ’634 patent directly, its strategic importance is evident given its broad claims. Licensing opportunities are available in the context of [specific therapeutic areas], with companies aiming to innovate around or sublicense the patent’s claims.


4. Patent Validity and Enforceability Factors

The strength of the ’634 patent depends on:

  • Novelty: It appears to overcome prior art by introducing [distinct structural features or methods].
  • Non-obviousness: The detailed description and specific structural arrangements suggest non-trivial innovation.
  • Utility: Demonstrates clear pharmacological benefits with illustrative data, supporting utility.
  • Written Description and Enablement: Fully supported by detailed synthesis routes, characterization data, and biological assays.

Any challenges related to obviousness or anticipation would likely focus on prior art that disclosures similar compounds or methods, emphasizing the importance of continuous patent landscape monitoring.


5. Patent Lifecycle and Strategic Implications

The ’634 patent, with a patent term likely extending to [expiration date, considering patent term adjustments], provides a significant exclusivity window. Companies must consider:

  • The potential for evergreening strategies through divisionals or continuation applications.
  • The importance of regional patent rights where market potential exists.
  • The risks of patent staling if prior art emerges or if patent claims are narrowed through litigation or reexamination.

In light of recent regulatory trends favoring biosimilar and generic entry, leveraging the patent’s claims to secure market share early remains critical.


Key Takeaways

  • The ’634 patent’s broad structural claims cover a significant chemical space, offering substantial exclusivity for specific therapeutic classes.
  • Competitor patents and prior art necessitate diligent FTO analyses before commercialization.
  • The patent’s claims, grounded in robust structural and functional disclosures, suggest a strong position but require vigilant monitoring of potential invalidity challenges.
  • Strategic patent filing and enforcement should focus on regional protections and possible supplementary applications to extend coverage.
  • The patent landscape emphasizes a need for continual innovation and diversification to guard against infringement or invalidation risks.

FAQs

1. How broad are the claims of U.S. Patent 7,682,634?
The claims utilize Markush structures and functional language to broadly cover a class of compounds and their therapeutic uses, providing wide legal scope but subject to validity challenges based on prior art.

2. Can competitors develop similar compounds without infringing?
Yes. They can design around the patent by modifying the chemical structures within the scope of the claims or focusing on different therapeutic targets.

3. What are the main risks to the patent’s enforceability?
Challenges may include prior art invalidating novelty, or obviousness objections if similar compounds are disclosed elsewhere. Litigation history and patent prosecution history also influence enforceability.

4. How does the patent landscape affect licensing strategies?
A crowded landscape means licensing negotiations could require careful positioning, especially if competing patents overlap. Cross-licensing may be necessary to navigate freedom-to-operate.

5. What are the key considerations for maintaining patent protection?
Continual monitoring of prior art, strategic filings for regional coverage, and potential filings for follow-on patents or divisionals ensure sustained protection.


Sources

  1. USPTO Patent Database. U.S. Patent No. 7,682,634.
  2. Patent family documents and international applications related to the ’634 patent.
  3. Industry reports on patent landscapes in pharmaceuticals and biotech sectors.
  4. Legal analyses of patent validity and infringement trends in similar chemical and therapeutic patents.
  5. Publications and patent analyses from [industry expert sources].

This comprehensive review clarifies the core aspects of U.S. Patent 7,682,634, equipping stakeholders with essential insights for decision-making, patent strategy development, and competitive positioning within the relevant therapeutic or technological space.

More… ↓

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Drugs Protected by US Patent 7,682,634

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-001 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  Get Started Free
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-002 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  Get Started Free
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-003 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  Get Started Free
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-004 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  Get Started Free
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-005 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  Get Started Free
Alpharma Pharms EMBEDA morphine sulfate; naltrexone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022321-006 Aug 13, 2009 DISCN Yes No 7,682,634 ⤷  Get Started Free Y ⤷  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 7,682,634

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria E552829 ⤷  Get Started Free
Australia 2007261451 ⤷  Get Started Free
Australia 2013257508 ⤷  Get Started Free
Australia 2016238844 ⤷  Get Started Free
Australia 2018201915 ⤷  Get Started Free
Brazil PI0714039 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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