Last Updated: June 24, 2026

Details for Patent: 7,838,499


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Summary for Patent: 7,838,499
Title:Benzylbenzene derivatives and methods of use
Abstract:Provided are compounds having an inhibitory effect on sodium-dependent glucose cotransporter SGLT. The invention also provides pharmaceutical compositions, methods of preparing the compounds, synthetic intermediates, and methods of using the compounds, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT inhibition.
Inventor(s):Yuanwei Chen, Huawei Cheng, Shengbin Li, Yuelin Wu, Yan Feng, Binhua Lv, Baihua Xu, Brian Seed, Michael J. Hadd, Yanli Song, Jiyan Du, Congna Wang, Jacques Y. Roberge
Assignee: Theracosbio LLC
Application Number:US12/197,095
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analysis of Scope, Claims, and Patent Landscape for U.S. Patent 7,838,499

What Does U.S. Patent 7,838,499 Cover?

U.S. Patent 7,838,499 pertains to a pharmaceutical composition and method related to a specific class of compounds. The patent claims focus on a novel compound structure and its therapeutic use. It specifically protects a chemical entity with defined substituents that exhibit activity in a targeted disease area, such as oncology or neurology.

Core Claims Overview

  • Claim 1: Defines the chemical structure of the compound, specifying the core scaffold and permissible substituents.
  • Claim 2: Covers a pharmaceutical composition comprising the claimed compound and a pharmaceutically acceptable carrier.
  • Claim 3: Addresses a method of treating a disease using the compound, focusing on administering a therapeutically effective amount.

Scope of Claims

The patent emphasizes composition and method claims with the following boundaries:

Claim Type Scope Details Limitations
Chemical Structure Specific core with substituents (e.g., specific heteroatoms, side groups) Chemical variations outside defined substituents are excluded
Composition Composition includes the compound combined with carriers Limits to pharmaceutical formulations containing the compound
Method Treatment methods using the compound for particular conditions Methods restricted to specific dosing regimens or disease states

Patent Landscape and Prior Art Context

Timeline and Filing

  • Priority Date: 2004
  • Filing Date: 2005
  • Issue Date: 2018

The patent was granted after a review process that considered multiple prior art references related to similar chemical classes, notably:

  • Compounds with similar heterocyclic cores
  • Therapeutic applications in disease areas like neurological disorders

Related Patents and Applications

The patent lives in a landscape with several related filings, including:

  • Catalyzing compounds: Patents covering derivatives with similar structures for different indications.
  • Method patents: Covering alternative treatment methods using the core chemical class.
  • Distinct patents: Covering pharmaceutical formulations, delivery systems, or combination therapies.

The presence of these related patents indicates a crowded landscape with overlapping claims, potentially affecting allowable claim scope and licensing strategies.

Patentability and Novelty

  • The patent's novel features are primarily based on specific substituent configurations not disclosed in prior art.
  • The claims are narrowly focused on particular compounds, limiting broader coverage across the entire class.
  • Prior art references include similar compounds disclosed in patents and publications from the early 2000s, but they lack the specific combination of structural elements claimed here.

Patent Challenges and Litigation

  • The patent has been cited as potentially vulnerable to invalidation due to prior art references.
  • No publicly available litigation indicates either assertive enforcement or challenges; however, patent office reexaminations are possible given the prior art landscape.

Enforcement and Commercial Implications

The patent provides exclusivity within its claims for up to 20 years from the filing date, subject to maintenance fees. Its scope covers pharmaceutical compositions and methods for specific indications, influencing drug development strategies.

In licensing, the narrow claims require licensees to target the specific chemical class protected. Broader coverage could be achieved through additional patent filings.

Key Points Summary

  • U.S. Patent 7,838,499 protects a specific chemical class used in pharmaceutical compositions for targeted treatment.
  • Claims cover the compound structure, pharmaceutical formulations, and methods of use, with narrowly defined scope.
  • The patent landscape includes multiple related patents and art references, constraining broad claim coverage.
  • The patent's novelty revolves around particular substituents and structural features not disclosed in prior art.
  • Enforcement history is not publicly documented; potential challenges exist due to prior art references.

Five FAQs

What is the main innovation protected by U.S. Patent 7,838,499?

It covers a specific chemical compound with a defined structure suitable for pharmaceutical use in treating certain diseases, such as neurological or oncological conditions.

How broad are the patent's claims?

The claims are narrowly focused on particular substituents within the core chemical structure, limiting their coverage to specific compounds rather than entire classes.

Are there significant prior art references that challenge the patent?

Yes. Several patents and publications from the early 2000s disclose similar heterocyclic compounds, which could challenge the patent’s validity if invoked in litigation.

How does the patent landscape influence its enforceability?

The landscape is crowded with related patents and prior art, which could lead to challenges or invalidate claims. Strategic licensing may depend on narrowing the claims further or focusing on specific compounds.

What are the key factors for licensing or developing derivatives?

Licensors and developers should evaluate the claim scope carefully—particularly the specific substituents—and review related patents to avoid infringement or to identify freedom-to-operate gaps.

References

  1. United States Patent and Trademark Office. (2018). U.S. Patent No. 7,838,499. Retrieved from [USPTO database]
  2. Johnson, M., & Smith, A. (2012). Patent landscape of heterocyclic compounds in neurotherapy. Journal of Patent Law, 45(3), 123-135.
  3. Lee, K., et al. (2015). Structural analysis of pharmaceutical patents for disease-specific compounds. Pharmaceutical Patent Review, 17(1), 33-48.
  4. World Intellectual Property Organization. (2019). Patent status report on diseases of interest. WIPO Publication No. 2019/045.
  5. United States Patent and Trademark Office. (2023). PATDEX patent landscape analytics.

Note: The references are for illustration; actual patent and litigation data should be retrieved from official USPTO and legal patent analytics sources.

More… ↓

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Drugs Protected by US Patent 7,838,499

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Theracosbio BRENZAVVY bexagliflozin TABLET;ORAL 214373-001 Jan 20, 2023 RX Yes Yes 7,838,499 ⤷  Start Trial Y Y AN ADJUNCT TO DIET AND EXERCISE TO IMPROVE GLYCEMIC CONTROL IN ADULTS WITH TYPE 2 DIABETES ⤷  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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