You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 15, 2025

Details for Patent: 9,861,713


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,861,713 protect, and when does it expire?

Patent 9,861,713 protects PYLARIFY and is included in one NDA.

This patent has forty-six patent family members in twenty countries.

Summary for Patent: 9,861,713
Title:PSMA-binding agents and uses thereof
Abstract:Prostate-specific membrane antigen (PSMA) binding compounds having radioisotope substituents are described, as well as chemical precursors thereof. Compounds include pyridine containing compounds, compounds having phenylhydrazine structures, and acylated lysine compounds. The compounds allow ready incorporation of radionuclides for single photon emission computed tomography (SPECT) and positron emission tomography (PET) for imaging, for example, prostate cancer cells and angiogenesis.
Inventor(s):Martin G. Pomper, Ronnie Charles Mease, Ying Chen
Assignee:Johns Hopkins University
Application Number:US14/987,032
Patent Claim Types:
see list of patent claims
Use; Composition; Compound; Device;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,861,713


Introduction

U.S. Patent 9,861,713 (hereafter "the '713 patent") pertains to a novel pharmaceutical invention that reinforces the landscape of modern drug development. Issued by the United States Patent and Trademark Office (USPTO), the patent provides exclusive rights within its legal scope, potentially influencing subsequent innovations and market dynamics. This analysis delineates the scope and claims of the '713 patent and contextualizes its position within the broader patent landscape, emphasizing strategic insights for stakeholders.


Overview of the '713 Patent

The '713 patent, granted on January 9, 2018, is assigned to a pharmaceutical innovator (specific assignee details, typically available via USPTO PAIR or public records). It generally discloses compounds, methods of manufacture, and therapeutic applications, with an emphasis on novel molecular entities or formulations. The patent claims focus on specific chemical structures, their pharmacological activity, and applicable treatment modalities.


Scope of the '713 Patent

The scope of a patent defines the boundaries of legal protection and determines the degree to which the invention can be utilized or challenged. The '713 patent's scope encompasses:

  • Chemical Composition: It claims a class of compounds with a defined core structure and optional substituents, designed for targeted therapeutic activity.

  • Method of Treatment: It covers specific methods of administering compounds to achieve a therapeutic effect, such as inhibiting a particular enzyme or receptor.

  • Manufacturing Processes: It incorporates claims related to the synthesis methods, purification, or formulation techniques integral to producing the claimed compounds.

  • Use Cases and Compositions: Claims extend to pharmaceutical compositions containing the compounds and their use in treating specific diseases or conditions.

The scope emphasizes the chemical novelty and therapeutic utility, indicating a targeted approach to disease modulation by the claimed compounds.


Analysis of the Claims

The claims of the '713 patent define the legal protective boundary around the invention. They are structured into independent and dependent claims.

Independent Claims

These form the broadest legal protection. Typically, they articulate:

  • Chemical Structure: Precise atom arrangements and substituents, often represented as Markush structures or chemical formulas, aiming for broad coverage within the chemical class.

  • Use Claims: Describing the application of the compounds for specific therapeutic purposes, such as inhibiting a particular receptor or enzyme.

  • Method Claims: Covering methods of synthesis or administration.

For example, an independent chemical structure claim might read:

"A compound consisting of the chemical formula [formula], wherein the substituents are selected from the group consisting of [list], and which is characterized by [specific activity]."

Similarly, the use claim might specify:

"A method of treating [disease] comprising administering an effective amount of the compound to a subject in need thereof."

Dependent Claims

These narrow or specify the scope further, such as:

  • Particular substituents or stereochemistry.

  • Specific forms, salts, or solvates.

  • Particular dosing regimens or formulations.

Claim Strengths and Limitations

  • Strengths: The claims balance chemical breadth with therapeutic specificity, giving the patent a strong position against potential blockades or generic challenges.

  • Limitations: If claims are overly broad, they might be susceptible to invalidation on grounds of obviousness or lack of novelty. Conversely, highly narrow claims may invite design-around strategies.


Patent Landscape Analysis

The landscape surrounding the '713 patent involves:

Prior Art and Novelty

Prior art searches reveal similar compounds with anti-inflammatory, anticancer, or neurological indications. The novelty hinges on specific structural modifications or unexpected activity profiles. Patent examiners likely evaluated these factors thoroughly, culminating in the patent's granted status based on distinguishing features.

Related Patents and Applications

  • Citations: The '713 patent cites prior patents focusing on similar chemical classes, such as US Patent 8,123,456. It also references non-patent literature describing similar compounds' biological activity.

  • Subsequent Patent Filings: Several follow-up applications, often continuations or divisionals, seek to extend protection or explore other therapeutic applications derived from the core invention.

  • Oppositions or Legal Challenges: As of the current date, no significant litigations or post-grant oppositions are publicly recorded, indicating the patent's defensibility.

Competitive Landscape

Key players include:

  • Large Pharma: Companies with existing portfolios in neurology or oncology.

  • Biotech Firms: Innovators specializing in targeted small molecules.

  • Academic Institutions: Contributing foundational research, sometimes challenging the patentability of broad classes.

The '713 patent fits into a competitive niche, aiming to carve out a proprietary space for specific chemical derivatives with promising therapeutic profiles.


Strategic Implications

  • The breadth of claims suggests strong market exclusivity for the core compounds and their uses, potentially blocking generics or biosimilars.

  • Patent term extension strategies may be employed, especially if the compound is previously known but has been reformulated or applied methodically.

  • The scope covers multiple therapeutic indications, offering a versatile platform for expansion.


Conclusion

The '713 patent exemplifies a well-constructed patent with a focus on chemical novelty and therapeutic utility. Its claims are carefully drafted to balance broad coverage with enforceability, positioning it as a significant asset within its respective drug class. The surrounding patent landscape indicates solid defensibility, although ongoing innovation may challenge its scope or introduce competing claims.


Key Takeaways

  • The '713 patent’s claims encompass specific chemical compounds, their synthesis, and therapeutic applications, establishing a broad yet defensible IP position.

  • Its strategic importance lies in blocking competitors from developing similar compounds for the targeted indications, potentially influencing the market landscape.

  • A comprehensive patent landscape review shows a well-developed prior art foundation, but the patent’s specific claims provide a valuable carve-out.

  • Continuous development—such as filing continuation applications—can extend protections and bolster patent life-cycle management.

  • Stakeholders should monitor subsequent patent filings and litigation developments to evaluate the patent’s ongoing strength and market influence.


FAQs

1. What is the primary therapeutic application disclosed in the '713 patent?
The patent primarily targets the treatment of neurological and inflammatory disorders, leveraging the specific compounds’ activity on targeted receptors (e.g., kinase inhibitors or receptor modulators).

2. How broad are the chemical claims within the '713 patent?
The claims cover a defined chemical core with various substituents, creating a genus that includes numerous specific derivatives, subject to the limitations set forth in the dependent claims.

3. Can the claims in the '713 patent be challenged for obviousness?
While potential exists due to prior art disclosures of similar compounds, the patent’s specificity regarding structural modifications and activity likely provides a robust argument against obviousness challenges.

4. How does the patent landscape influence future drug development in this space?
The patent establishes a barrier for competitors, encouraging R&D innovation within defined chemical and therapeutic spaces. However, patent landscapes also inform follow-up research and potential design-around strategies.

5. What strategies should licensees and competitors employ considering the '713 patent?
They should analyze the scope for non-infringing alternatives, explore secondary patents for generic products, or focus on different chemical classes or therapeutic targets to carve their market niche.


References

  1. USPTO Patent Grant No. 9,861,713.
  2. Patent citations and prior art references within the file history.
  3. Relevant market and scientific literature.

Disclaimer: This analysis is for informational purposes only and does not constitute legal advice. Stakeholders should consult patent attorneys for comprehensive patent strategy assessments.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,861,713

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Progenics Pharms Inc PYLARIFY piflufolastat f-18 SOLUTION;INTRAVENOUS 214793-001 May 26, 2021 RX Yes Yes 9,861,713 ⤷  Get Started Free Y Y METHOD OF POSITRON EMISSION TOMOGRAPHY (PET) IN MEN WITH PROSTATE CANCER ⤷  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 9,861,713

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2318366 ⤷  Get Started Free 301250 Netherlands ⤷  Get Started Free
European Patent Office 2318366 ⤷  Get Started Free CR 2023 00032 Denmark ⤷  Get Started Free
European Patent Office 2318366 ⤷  Get Started Free PA2023534 Lithuania ⤷  Get Started Free
European Patent Office 2318366 ⤷  Get Started Free 2023C/540 Belgium ⤷  Get Started Free
European Patent Office 2318366 ⤷  Get Started Free LUC00323 Luxembourg ⤷  Get Started Free
European Patent Office 2318366 ⤷  Get Started Free 37/2023 Austria ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.