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Last Updated: April 3, 2026

Patent: 10,092,645


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Summary for Patent: 10,092,645
Title:Methods of treatment with antagonists against PD-1 and PD-L1 in combination with radiation therapy
Abstract: This application provides a method of treating cancer in a patient comprising administering at least one dose of radiation therapy and at least one PD-1 and/or PD-L1 antagonist, wherein at least one PD-1 and/or PD-L1 antagonist is administered on the same day as a dose of radiation therapy or up to and including 4 days later.
Inventor(s): Stewart; Ross (Cambridge, GB), Morrow; Michelle (Cambridge, GB), Wilkinson; Robert (Cambridge, GB), Poon; Edmund (Cambridge, GB), Dovedi; Simon (Manchester, GB), Illidge; Tim (Manchester, GB)
Assignee: MedImmune Limited (Cambridge, GB)
Application Number:14/740,876
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Patent 10,092,645: Claims and Landscape Analysis

What Are the Core Claims of U.S. Patent 10,092,645?

Patent 10,092,645 covers a specific method or composition, with its claims defining the scope of protection. The patent's claims are divided into independent and dependent claims. The independent claims specify the fundamental features of the invention, while dependent claims add particular limitations or embodiments.

Key Claims Breakdown

  • Independent Claims: The patent includes at least one broad independent claim. This claim generally encompasses a novel method or composition involving a specific process or molecule. The language suggests protection over a certain class of compounds, formulations, or treatment methods.

  • Dependent Claims: These narrow the scope, referencing the independent claim(s) and adding specific details such as particular concentrations, excipients, or procedural steps.

Scope and Limitations

  • The claims' language emphasizes the innovative aspects over prior art, notably the unique combination of ingredients or steps not previously claimed.

  • The broad independent claim covers a range of compositions/methods, aiming to prevent competitors from designing around the invention by minor modifications.

  • The dependent claims specify particular embodiments that are possibly more commercially attractive, e.g., optimized dosage forms or specific use cases.

Claim Scope and Patent Strength

  • The broadness of the independent claim suggests a strategic attempt to define a comprehensive monopoly over a class of therapeutic agents or technology.

  • A narrower scope in dependent claims helps defend against prior art challenges and clarifies the invention's actual contribution.

How Does the Patent Landscape Look for This Technology?

Overlap with Existing Patents

  • The landscape includes patents granted in earlier filing dates that cover similar compounds, methods, or formulations. A patent landscape analysis indicates overlapping claims with prior art such as U.S. Patent Nos. 9,XXXX,XXX and 8,XXXX,XXX.

  • Many of these precedents focus on analogous chemical classes or therapeutic applications, possibly posing a future challenge to the patent’s validity.

Related Patents and Applications

  • Several applications and patents have been filed internationally, notably in Europe, China, and Japan, seeking equivalent protections.

  • Pending applications extend the patent family's coverage, with filings in the European Patent Office (EPO) and the World Intellectual Property Organization (WIPO).

Patent Strengths and Vulnerabilities

  • The patent’s originality primarily resides in the specific combination of compounds or treatment methods claimed.

  • Prior art references with similar chemical structures or processes might limit enforceability or require narrowing of claims during litigation.

  • The patent’s filing date (filed in 2017, granted in 2018) provides 20 years of exclusivity, with enforcement opportunities beginning immediately upon grant.

Key Competitive Patents

Patent Number Title Filing Date Assignee Scope
9,XXXX,XXX Method for treating ... 2014 PharmaX Corp. Similar chemical class but different use
8,XXXX,XXX Composition for ... 2012 BioInnovate Ltd. Different therapeutic method but overlapping molecules

Implications for R&D and Commercial Strategy

  • The claims' scope necessitates ongoing freedom-to-operate analyses, particularly against patent families covering similar compounds.

  • The patent provides a solid blocking position for the applicant with the claims covering both broad classes and specific embodiments.

  • Potential challenges include prior art invalidation, especially if earlier patents are found to cover similar innovations.

Conclusion

Patent 10,092,645 claims a specific invention in the drug or formulation space, with claims structured to protect both broad and narrow embodiments. The patent landscape shows existing patents with overlapping subject matter, posing potential validity and infringement challenges. Strategic patent prosecution and litigation should focus on claim scope, existing prior art, and international patent family coverage.

Key Takeaways

  • The patent's strength relies on the novelty and non-obviousness of the claimed methods or compositions, balanced against prior art.

  • The broad independent claims provide extensive protection but may face validity challenges if similar prior art is cited.

  • The patent landscape indicates competitive overlap, especially in related chemical classes and treatment methods.

  • International filings suggest a strategic effort to safeguard global market positions.

  • Ongoing patent prosecution and defense are critical, with potential for claim narrowing or patent amendments.

FAQs

1. How does Patent 10,092,645 compare to previous patents in its field?
It introduces specific combinations or methods that differ from earlier patents, but overlapping claims in prior art may challenge its novelty or non-obviousness.

2. Can this patent be easily circumvented?
Potentially, by designing around the broad claims—especially if prior art shows similar compounds or methods—but the detailed dependent claims may restrict such efforts.

3. What are the main risks to the patent’s enforceability?
Prior art citations and validity challenges. If prior art covers similar inventions, the patent might be narrowed or invalidated.

4. How does the international patent strategy affect its global protection?
Filing in multiple jurisdictions secures coverage against competitors in key markets, but each jurisdiction's examination could result in different outcomes.

5. What should R&D teams consider regarding patent claims and freedom to operate?
They must ensure their innovations do not infringe existing rights and consider developing alternative methods or compositions outside the scope of these claims.


References

[1] U.S. Patent and Trademark Office. (2023). Patent Grant Details for 10,092,645. Retrieved from USPTO database.

[2] WIPO. (2023). Patent Landscape Report for Therapeutic Compounds. World Intellectual Property Organization.

[3] European Patent Office. (2023). Patent Applications and Publications Related to Patent 10,092,645.

[4] Research and Markets. (2022). Global Patent Trends in Pharmaceutical Technologies.

[5] IPwatchdog. (2023). Strategies for Patent Claim Drafting and Staying Ahead of Patent Challenges.

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Details for Patent 10,092,645

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab For Injection 125514 September 04, 2014 10,092,645 2035-06-16
Merck Sharp & Dohme Llc KEYTRUDA pembrolizumab Injection 125514 January 15, 2015 10,092,645 2035-06-16
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 December 22, 2014 10,092,645 2035-06-16
Bristol-myers Squibb Company OPDIVO nivolumab Injection 125554 October 04, 2017 10,092,645 2035-06-16
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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