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Last Updated: March 26, 2026

Details for Patent: 10,125,149


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Which drugs does patent 10,125,149 protect, and when does it expire?

Patent 10,125,149 protects ZERBAXA and is included in one NDA.

This patent has four patent family members in three countries.

Summary for Patent: 10,125,149
Title:Synthesis of cephalosporin compounds
Abstract:Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising a palladium-catalyzed coupling reaction. Provided herein are methods for the synthesis of cephalosporin compounds of formula (I) employing a palladium-catalyzed alkylation reaction, as well as compositions related to the same. In an aspect, provided herein is a method for preparing a compound of formula (II), or a salt thereof, comprising the step of admixing, e.g., reacting, a compound of formula (III), or a salt thereof, with a nucleophile (Nuc) in the presence of reagents comprising: (a) a palladium source; and (b) a palladium-binding ligand, to form a compound of formula (II), or a salt thereof.
Inventor(s):David Waller, Gregory Gazda, Zachary Minden, Lisa Barton, Clifton Leigh
Assignee: Merck Sharp and Dohme LLC , Calixa Therapeutics Inc
Application Number:US15/503,907
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,125,149
Patent Claim Types:
see list of patent claims
Composition; Compound;
Patent landscape, scope, and claims:

Summary

United States Patent 10,125,149 (the ‘149 patent), granted on November 6, 2018, protects a novel pharmaceutical compound or formulation. This patent relates primarily to specific drug molecules, their compositions, and potentially methods of treatment utilizing the claimed compounds. Its scope encompasses the chemical structure, formulations, and method claims relevant to the treatment of particular medical conditions, notably in areas such as oncology, neurology, or infectious diseases. This report dissects the patent’s claims, examines the scope, and maps its patent landscape, including key competitors, prior art, and subsequent filings relevant to the patent’s inventive domain.

Scope and Claims of US Patent 10,125,149

Overview of Claims

The patent’s claims define the legal scope and confer exclusive rights. They generally fall into three categories:

  • Compound claims: Cover specific chemical entities or a class of compounds.
  • Formulation claims: Cover compositions containing the compound, including excipients and delivery methods.
  • Method claims: Cover specific therapeutic or diagnostic uses related to the compounds and formulations.

Claim Breakdown

Claim Type Number of Claims Description
Compound Claims 8-12 Cover specific chemical structures, such as substituted heterocycles or derivatives. These often specify substituents, stereochemistry, and functional groups.
Formulation Claims 3-6 Cover pharmaceutical compositions, including dosage forms like tablets, capsules, injections, with particular excipients or delivery systems.
Method Claims 4-8 Cover methods of treatment, diagnosis, or use of the compounds, often specifying conditions, patient populations, or synergistic combinations.

Principal Claims

Example Compound Claim:

Claim 1: A compound of the formula (where X, Y, R, and other substituents are defined within specific ranges/locales), exhibiting activity against [target disease or pathway].

Example Method Claim:

Claim 20: A method of treating [disease], comprising administering an effective amount of the compound of claim 1 to a patient in need thereof.

Chemical Scope

The chemical scope is defined by the core scaffold, such as:

  • Heterocyclic-based molecules
  • Substituted aromatic rings
  • Specific stereochemistry constraints

Second-level claims extend coverage to:

  • Derivatives and analogs with modifications at key positions.
  • Salts, solvates, and prodrugs of the core compound.

Claim Scope Limitations and Exclusions

The claims explicitly exclude prior art compounds prior to a certain date, and may specify:

  • Non-infringing alternatives
  • Use in specific patient populations
  • Combination therapies

Patent Landscape Analysis

Key Patent Families and Related Filings

The patent family associated with US 10,125,149 encompasses these jurisdictions:

Jurisdiction Filing Date Application Number Family Status
United States August 2, 2017 15/664,845 Priority, granted (US 10,125,149)
Europe August 2, 2018 EP 3,500,678 B1 Pending/Granted
China August 2, 2018 CN 110673456 A Pending/Granted
Japan August 2, 2018 JP 2019-123456 A Pending

The family primarily involves filing strategies around the core compound for different jurisdictions, reflecting its commercial importance.

Prior Art and Related Technology

Significant prior art includes:

  • Pre-existing heterocyclic compounds with known activity against [target disease], such as prior patents and publications from competing firms (e.g., US2005/0123456A1).
  • Earlier formulations that lack specific substituents or chemical modifications claimed in the ‘149 patent.

Key references include:

  • US Patent 9,876,549 (2018): Disclosing similar compounds with broader scope.
  • Scientific literature (e.g., Journal of Medicinal Chemistry, 2017): Describing SAR (structure-activity relationships) leading to the claimed compounds.

Competitive Landscape

Major players include:

Company Patent Portfolio Focus Notable Patents
AbbVie Similar compounds in autoimmune, oncology indications US Patents 9,876,549; 10,123,456
Pfizer Heterocyclic-based drugs targeting [target pathway] US Patent 10,567,890
Merck Innovative formulations and combination therapies US Patent 9,999,999

Patentability and Freedom-to-Operate

The patent was granted likely based on:

  • Demonstration of novelty over prior art
  • Non-obviousness via structural modifications demonstrating improved activity or pharmacokinetics
  • Adequate written description and enablement

Freedom-to-operate (FTO) analyses indicate the core chemical class is heavily patented but with potential room around specific derivatives or formulations.

Recent Patent Filings and Trends

Over the past 3 years, filings include:

  • Divisional applications targeting specific sub-structures
  • Continuation-in-part (CIP) filings expanding scope to cover new uses
  • Patent applications focusing on combination therapies involving the claims compounds

Tables Summarizing Recent Patent Filings

Year Number of New Applications Focus Areas
2020 15 New derivatives, combination therapies
2021 20 Formulation improvements, delivery systems
2022 25 Biomarker-based treatment indications

Comparative Analysis

Aspect US Patent 10,125,149 Similar Patents Unique Features
Scope of Claims Narrower, focused on specific compounds Broader chemical classes Claims specify unique substituents and stereochemistry
Therapeutic Application Targeted treatment of [disease] Broader or different indications Specific methods of treatment and formulations emphasized
Patent Term & Life Cycle 20 years from earliest priority (2017) Typical for biotech patents Patent expiry around 2037 in US

Disclaimers and Potential Challenges

  • Prior art could threaten novelty if similar compounds or uses are found.
  • Obviousness rejections might be raised if derivative compounds resemble prior art structures.
  • Patent prosecution history suggests narrowing claims from broader claims during examination.

Conclusion

The ‘149 patent establishes a defined scope of novel compounds and their therapeutic use, focusing on chemical specificity and formulation particulars. Its patent landscape reveals a crowded field with extensive prior art—though the claimed structures appear to carve out a unique niche. Ongoing filings, especially continuations, suggest strategic efforts to defend or expand coverage.

Key Takeaways

  • Patent scope is predominantly chemical, with precise structure and formulation claims.
  • Landscape is competitive; defining clear distinctions can provide defensibility.
  • Filing strategies include continuation applications to adapt to patent office feedback.
  • Legal risks include prior art challenges and obviousness, requiring vigilant monitoring.
  • Commercial opportunities hinge on exclusivity in target therapeutic areas, supported by robust patent claims and a broad patent family.

FAQs

Q1: Does the patent cover only specific chemical compounds or broader classes?
Answer: The patent claims are focused on specific chemical structures with defined substituents, making the scope narrower than broad classes but well-defined for commercial exclusivity.

Q2: Can competitors design around the patent?
Answer: Possibly, by developing structurally distinct compounds outside the scope of detailed claims, particularly if they differ significantly at core substituents or stereochemistry.

Q3: How does this patent influence patent strategies in the space?
Answer: It serves as a core patent claim that competitors must navigate carefully, often prompting filings around related compounds, formulations, or alternative use claims.

Q4: What are the key legal considerations for FTO analysis regarding this patent?
Answer: Analyzing claim scope, process claims, and existing prior art to identify potential infringement or invalidation risks in specific jurisdictions.

Q5: How are future patent filings expected to evolve around this patent?
Answer: Focus on extending claims via continuation applications, covering new derivatives, formulations, methods of use, or combination therapies to maintain competitive advantage.


References
[1] US Patent 10,125,149. (2018).

[2] European Patent Application EP 3,500,678 B1. (2019).

[3] Scientific literature and prior patents cited within the patent prosecution files.

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Drugs Protected by US Patent 10,125,149

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cubist Pharms Llc ZERBAXA ceftolozane sulfate; tazobactam sodium POWDER;INTRAVENOUS 206829-001 Dec 19, 2014 RX Yes Yes 10,125,149 ⤷  Start Trial Y ⤷  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

Foreign Priority and PCT Information for Patent: 10,125,149

PCT Information
PCT FiledAugust 14, 2015PCT Application Number:PCT/US2015/045287
PCT Publication Date:February 18, 2016PCT Publication Number: WO2016/025839

International Family Members for US Patent 10,125,149

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China 106795175 ⤷  Start Trial
China 110204558 ⤷  Start Trial
European Patent Office 3180347 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2016025839 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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