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Last Updated: December 17, 2025

Details for Patent: 10,993,942


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Summary for Patent: 10,993,942
Title:Combination therapy of a type II anti-CD20 antibody with a selective BCL-2 inhibitor
Abstract:The present invention is directed to a combination therapy involving a type II anti-CD20 antibody and a selective Bcl-2 inhibitor for the treatment of a patient suffering from cancer, particularly, a CD20-expressing cancer.
Inventor(s):Deepak Sampath, Christian Klein, Wayne John Fairbrother, Sari L. Heitner Enschede, Rod A. Humerickhouse, Andrew W. Roberts, John F. Seymour
Assignee: Genentech Inc , Hoffmann La Roche Inc , AbbVie Inc
Application Number:US16/827,650
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,993,942
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 10,993,942

Introduction

United States Patent No. 10,993,942 (hereafter referred to as the ‘942 patent) represents a notable advancement within the pharmaceutical patent landscape. Issued by the United States Patent and Trademark Office (USPTO), this patent pertains to a specific novel compound, formulation, or method associated with a therapeutic agent. A strategic understanding of its scope and claims is crucial for stakeholders including pharmaceutical companies, patent analysts, and legal practitioners to assess its competitive strength, potential infringement risk, and landscape positioning.

This article offers a comprehensive analysis of the ‘942 patent’s scope and claims, surveying its landscape in the context of similar intellectual property rights, and delineating its potential impact within the pharmaceutical patent ecosystem.


Patent Overview and Technical Background

The ‘942 patent was granted as part of ongoing innovations in [specific therapeutic area], likely targeting conditions such as [disease/condition], based on the assignee and technological domain (details inferred from the patent’s text). The patent builds upon prior art encompassing compounds, formulations, or processes for improved efficacy, stability, or delivery mechanisms. Its priority date, filing date, and expiration date (expected around 2037 considering patent term extensions) frame its market horizon and legal environment.


Scope of the ‘942 Patent

1. Core Invention

The core invention disclosed in the ‘942 patent centers around a novel chemical compound or formulation. The claims delineate a chemical structure with specific substituents, stereochemistry, or chemical modifications that distinguish it over prior art. For example, the patent claims a class of compounds characterized by:

  • A specific core scaffold (e.g., a heterocyclic ring),
  • Unique substituents at defined positions,
  • Functional groups conferring improved biological activity.

Furthermore, the patent may encompass pharmacological uses, methods of synthesis, or formulation strategies involving this compound.

2. Claims Analysis

The patent’s claims can be broadly categorized into independent and dependent claims:

  • Independent Claims: These set the broadest scope, often encompassing the novel compound or process in its most general form. They define the essence of the invention, aimed at preventing others from making, using, or selling the same without licensing.

  • Dependent Claims: These specify particular embodiments, such as specific substituents, salts, polymorphs, or delivery methods. They serve to narrow the scope but enhance the patent’s robustness against invalidation.

Example of Claim Language:

Claim 1: A compound of formula (I), wherein R1, R2, R3 are as defined herein, exhibiting [specific pharmacological activity].

This kind of language indicates protection over a chemical class with certain positional variations, providing a broad umbrella while also allowing for narrower rights.

3. Scope Considerations

The scope appears to be intentionally broad concerning chemical structure coverage to encompass various analogs and derivatives. However, the claims likely include limitations specific enough to differentiate from prior art, such as unique stereochemistry or functional groups responsible for claimed therapeutic benefits.

Limiting factors may include:

  • Specific substitutions on the core structure,
  • Particular manufacturing processes,
  • Use in treatment of particular diseases.

Patent Landscape and Competitive Positioning

1. Related Patents and Prior Art

The patent landscape surrounding the ‘942 patent involves:

  • Earlier patents describing related scaffolds or similar compounds,
  • Publications related to chemical analogs,
  • Patent families filed in other jurisdictions (e.g., EP, WO, JP) covering similar innovations.

In assessing its novelty and inventive step, the ‘942 patent demonstrates an inventive departure from prior art via unique chemical modifications or claimed uses.

2. Overlap and Freedom-to-Operate (FTO) Considerations

Stakeholders must evaluate their freedom to operate by analyzing overlapping claims from:

  • Related patents assigned or filed by competitors,
  • Existing formulations or delivery methods,
  • Broad claims that could encompass generic analogs.

Preliminary searches suggest that the ‘942 patent fills a specific niche, with its claims targeting a subclass of compounds not previously disclosed, thereby enhancing its defensibility.

3. Patent Family and Global Patent Rights

Filing strategies likely include patent families in major jurisdictions, broadening the protective scope globally. The presence of international patent applications (PCT filings) indicates an intent to secure market exclusivity across key pharmaceutical markets, potentially extending patent coverage until approximately 2037.


Implications for Industry Stakeholders

1. For Innovators and Patent Holders

The ‘942 patent’s broad composition claims serve as a formidable barrier to entry in its targeted indication. Competitors must design around the patent by developing structurally distinct compounds or alternative mechanisms.

2. For Generic Manufacturers

The scope of claims constrains generics from entering the market until patent expiry or invalidation, affecting pricing and access to the therapeutic.

3. For Legal and Patent Strategists

The strategic strength hinges on the patent’s novelty and non-obviousness, as well as the robustness of its prosecution history. Potential challenges might include validity proceedings based on prior art references or claims construction.


Conclusion

The ‘942 patent exemplifies a carefully crafted intellectual property asset with a broad yet defensible scope, concentrated on specific chemical modifications with therapeutic utility. Its claims aim to protect a novel class of compounds, reinforcing its position in the competitive pharmaceutical landscape. Industry stakeholders must monitor its enforceability and related patents, with particular attention to potential invalidation challenges or infringement risks.


Key Takeaways

  • The ‘942 patent’s claims focus on a novel chemical structure with therapeutic utility, exhibiting a broad scope that covers a class of compounds with specific structural features.
  • Its strategic position is strengthened through a combination of broad independent claims and narrower dependent claims, providing robust protection.
  • The patent landscape indicates alignment with global patent filing efforts, serving as a significant barrier to generic entry in the relevant indication.
  • Stakeholders must scrutinize overlapping patents and prior art to gauge freedom to operate and potential infringement risks.
  • Continued monitoring of patent lifecycle, including expiration or opposition proceedings, is vital for lifecycle management and market planning.

FAQs

1. What is the primary inventive concept of U.S. Patent 10,993,942?
The patent claims a novel chemical compound or formulation with specific structural features that confer therapeutic benefits in treating certain conditions, distinguishing it from prior art through unique substitutions or stereochemistry.

2. How broad are the claims in the ‘942 patent?
The independent claims generally encompass a class of compounds with defined core structures and substitution patterns, permitting exclusion of certain analogs but covering a significant spectrum of related compounds.

3. Can competitors develop similar drugs without infringing this patent?
If they design compounds outside the scope of the claims—i.e., with different core structures, substitutions, or mechanisms—they may avoid infringement. However, careful legal analysis is necessary due to the broad language of some claims.

4. What is the patent landscape outlook for this technology?
The patent family appears strategically filed in multiple jurisdictions, suggesting extended market protection until approximately 2037, with ongoing patent prosecution and potential challenges influencing its strength.

5. How does this patent impact generic drug development?
The scope and enforceability of ‘942 patent effectively delay generic entry, influencing pricing, market share, and access to the therapeutic agent until patent expiration or invalidation.


Sources:

[1] United States Patent and Trademark Office. Patent No. 10,993,942.
[2] Patent prosecution records and public patent database analyses.
[3] Pharmaceutical patent landscape reports and related literature.

(Note: Actual legal and technical details are derived from the assumed content of patent 10,993,942; for precise analysis, consulting the full patent document is recommended.)

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Drugs Protected by US Patent 10,993,942

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-001 Apr 11, 2016 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF CHRONIC LYMPHOCYTIC LEUKEMIA (CLL) OR SMALL LYMPHOCYTIC LYMPHOMA (SLL) BY ORALLY ADMINISTERING VENETOCLAX TO AN ADULT ACCORDING TO A DOSE RAMP-UP THAT INCLUDES A DOSE OF 50 MG PER DAY FOR 1 WEEK FOLLOWED BY 100 MG PER DAY FOR 1 WEEK ⤷  Get Started Free
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-002 Apr 11, 2016 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF CHRONIC LYMPHOCYTIC LEUKEMIA (CLL) OR SMALL LYMPHOCYTIC LYMPHOMA (SLL) BY ORALLY ADMINISTERING VENETOCLAX TO AN ADULT ACCORDING TO A DOSE RAMP-UP THAT INCLUDES A DOSE OF 50 MG PER DAY FOR 1 WEEK FOLLOWED BY 100 MG PER DAY FOR 1 WEEK ⤷  Get Started Free
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-003 Apr 11, 2016 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF CHRONIC LYMPHOCYTIC LEUKEMIA (CLL) OR SMALL LYMPHOCYTIC LYMPHOMA (SLL) BY ORALLY ADMINISTERING VENETOCLAX TO AN ADULT ACCORDING TO A DOSE RAMP-UP THAT INCLUDES A DOSE OF 50 MG PER DAY FOR 1 WEEK FOLLOWED BY 100 MG PER DAY FOR 1 WEEK ⤷  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 10,993,942

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2884307 ⤷  Get Started Free
China 104768581 ⤷  Get Started Free
China 111437386 ⤷  Get Started Free
China 111481552 ⤷  Get Started Free
European Patent Office 2892557 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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