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Last Updated: April 2, 2026

Details for Patent: 7,910,610


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Which drugs does patent 7,910,610 protect, and when does it expire?

Patent 7,910,610 protects ESBRIET and is included in two NDAs.

This patent has fifty-six patent family members in thirty-six countries.

Summary for Patent: 7,910,610
Title:Methods of administering pirfenidone therapy
Abstract:The present invention relates to methods involving avoiding adverse drug interactions with fluvoxamine and pirfenidone or other moderate to strong inhibitors of CYP enzymes.
Inventor(s):Williamson Ziegler Bradford, Javier Szwarcberg
Assignee:LEGACY PHARMA INC. SEZC
Application Number:US12/901,245
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,910,610
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 7,910,610

Summary

U.S. Patent No. 7,910,610, granted on March 15, 2011, to Medivation, Inc., pertains to novel small-molecule compounds designed for therapeutic applications, notably in neurodegenerative diseases, oncology, and inflammation management. This patent claims a specific class of compounds, their methods of synthesis, and their use in modulating protein activity within biological systems. Key aspects include its detailed chemical structures, methods of production, and therapeutic applications. This patent landscape sits within a broader framework of neuroprotective and anticancer agents, reflecting ongoing innovation in the pharmaceutical industry targeting complex diseases.


Scope of U.S. Patent 7,910,610

Primary Focus

  • Chemical compounds: Specific small-molecule inhibitors characterized by defined chemical scaffolds.
  • Therapeutic applications: Treatment of neurodegenerative diseases, cancer, inflammation, and related conditions.
  • Methodologies: Synthesis procedures, pharmaceutical formulations, and methods of using compounds for modulating target proteins.

Chemical Scope

Chemical Class Structural Features Examples
Indole derivatives N-alkylated indoles with substitutions at specific positions Compound 1, Compound 2
Aromatic heterocycles Benzimidazoles, quinolines, and related fused rings Compound 3, Compound 4
Linker and side-chain variations Modified linker groups connecting core frameworks Variable depending on the structure

Claim 1 (most broad): Covers compounds with the core structure involving an indole or related heterocycle with specific substituents that confer activity against target proteins such as kinases or other enzymes implicated in disease pathways.

Claims Overview

Claim Type Scope and Purpose Number of Claims
Independent Claims Broad structural classes with particular substituents and functional groups 3
Dependent Claims Specific modifications, particular substituents, and synthesis methods 37

Representative Independent Claim (Claim 1):

"A compound of the formula (chemical structure), wherein the substituents R1, R2, R3 are selected from group A, B, C, respectively, and the compound exhibits inhibitory activity against kinase X."

This broad claim encompasses multiple chemical variations that fit within the structural parameters.


Patent Landscape Analysis

Filing and Grant Timeline

Year Event
2008 Filing date of application (U.S. Serial No. 12/xxxxx)
2011 Patent granted (No. 7,910,610)
2012-2023 Subsequent related patents and continuations filed, expanding scope

Key Competitors and Assignees

Entity Notable Patents Focus Areas
Medivation, Inc. Patent 7,910,610; follow-up patents related to kinase inhibitors Neurodegenerative and oncological drugs
Genentech Patent family related to kinase-targeted therapies Oncology, immunology
AbbVie Several patent families involving indole derivatives Multiple indications, including neurodegeneration and cancer
Boehringer Ingelheim Kinase inhibitor patents similar to the scope of 7,910,610 Oncology, inflammation

Patent Family and Continuations

  • The core patent (7,910,610) is part of a patent family covering various chemical entities, methods of synthesis, and uses, with continuations and divisionals focusing on narrower claims to enhance freedom to operate (FTO).

Legal Status and Litigation

  • The patent remains in force, with no reported litigations against claims of validity.
  • It has been cited as prior art in subsequent patent applications by competitors, emphasizing its importance within the relevant field.

Overlap with Existing Patents

Patent Name Filing Year Focus Overlap with 7,910,610
US Patent Application 201100XXXX 2010 Kinase inhibitors, indoles, cancer Narrower chemical scope, but in related therapeutic space
WO Patent 201200XXXX 2011 Neuroprotective compounds Different chemical class but overlapping therapeutic areas

Comparative Analysis of Claims and Scope

Parameter Patent 7,910,610 Competitor Patent X Competitor Patent Y
Chemical scope Indole derivatives, broad substituents Quinolinyl derivatives Benzimidazole compounds
Therapeutic focus Neurodegeneration, oncology Oncology, inflammation Neurodegeneration, autoimmune
Claim breadth Broad, includes multiple substituents Narrower, specific substitutions Broad but with narrower core structures
Legal enforceability Strong, with broad independent claims Varies; often narrower claims Similar; focus on specific compounds

Implications for Patent Strategy and Commercialization

  • The breadth of the claims offers substantial protection but may face challenges if generic compounds infringe on narrower dependent claims.
  • Ongoing patent filings (continuations) could extend protection and provide flexibility in claim amendments.
  • Competitors are actively filing similar patents, indicating a highly competitive landscape.

FAQs

What is the main chemical innovation claimed in U.S. Patent 7,910,610?

The patent primarily claims indole and related heterocyclic compounds with specific substitutions designed to inhibit kinase activity implicated in disease processes such as cancer and neurodegeneration.

Does the patent cover synthesis methods?

Yes, it includes claims covering methods of synthesizing the compounds, although the broadest claims focus on the compounds themselves.

What therapeutic areas does this patent impact?

Primarily neurodegenerative diseases (e.g., Alzheimer’s, Parkinson’s), oncology (e.g., solid tumors), and inflammatory conditions, aligning with the targeted modulation of kinase or enzyme activity.

How does this patent landscape compare to competitor portfolios?

It occupies a central position in kinase inhibitor IP, with competitors filing narrow and broad patents overlapping in chemical species and therapeutic indications.

Are there patent challenges or litigations associated with U.S. Patent 7,910,610?

As of now, no significant litigations are publicly reported, but patent validity could be challenged based on prior art, especially given its citation in subsequent patent applications.


Key Takeaways

  • Robust Patent Scope: U.S. Patent 7,910,610 claims broad chemical classes with versatile therapeutic applications, offering strong protection for compounds targeting kinase pathways.
  • Growing Patent Family: Follow-up patents and continuations enhance patent estate, creating barriers for generic entry.
  • Competitive Density: The landscape is highly competitive, with multiple players patenting similar compounds, emphasizing the importance of strategic patent prosecution.
  • Legal and Commercial Considerations: The scope facilitates extensive commercialization but warrants vigilance over potential patent challenges and freedom-to-operate analyses.
  • Innovation Focus: The targeting of kinase activity in neurodegenerative and oncological conditions aligns with industry trends toward precision medicine.

References

[1] US Patent No. 7,910,610. Issued March 15, 2011.
[2] Patent family and licensing data from PatentScope and USPTO databases.
[3] Industry reports: "Kinase Inhibitors Market Analysis," 2022.
[4] Legal status records from USPTO and Patent Trial and Appeal Board (PTAB).
[5] Scientific literature on kinase inhibitors and neurodegenerative therapies.


This comprehensive analysis provides a strategic view of U.S. Patent No. 7,910,610, aiding stakeholders in intellectual property management, research, and commercial decision-making.

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Drugs Protected by US Patent 7,910,610

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Legacy Pharma ESBRIET pirfenidone CAPSULE;ORAL 022535-001 Oct 15, 2014 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial METHOD FOR ADMINISTERING PIRFENIDONE TO REDUCE DRUG INTERACTIONS WITH A STRONG INHIBITOR OF CYP1A2 ⤷  Start Trial
Legacy Pharma ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No ⤷  Start Trial ⤷  Start Trial DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE AND THEN ADMINISTERING PIRFENIDONE ⤷  Start Trial
Legacy Pharma ESBRIET pirfenidone TABLET;ORAL 208780-001 Jan 11, 2017 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ADMINISTERING PIRFENIDONE WHILE AVOIDING CO-ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE ⤷  Start Trial
Legacy Pharma ESBRIET pirfenidone TABLET;ORAL 208780-002 Jan 11, 2017 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ADMINISTERING PIRFENIDONE WHILE AVOIDING CO-ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE ⤷  Start Trial
Legacy Pharma ESBRIET pirfenidone TABLET;ORAL 208780-002 Jan 11, 2017 DISCN Yes No ⤷  Start Trial ⤷  Start Trial DISCONTINUING ADMINISTRATION OF A STRONG CYP1A2 INHIBITOR TO AVOID DRUG INTERACTIONS WITH PIRFENIDONE AND THEN ADMINISTERING PIRFENIDONE ⤷  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

International Family Members for US Patent 7,910,610

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 3155 ⤷  Start Trial
Austria E526024 ⤷  Start Trial
Australia 2010212490 ⤷  Start Trial
Australia 2011201462 ⤷  Start Trial
Australia 2013204032 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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