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

Last Updated: December 16, 2025

Details for Patent: 9,555,048


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,555,048 protect, and when does it expire?

Patent 9,555,048 protects ZILRETTA and is included in one NDA.

This patent has fifty-one patent family members in twenty-two countries.

Summary for Patent: 9,555,048
Title:Corticosteroids for the treatment of joint pain
Abstract:Corticosteroid microparticle formulations are provided for use for treating pain, including pain caused by inflammatory diseases such as osteoarthritis or rheumatoid arthritis, and for slowing, arresting or reversing structural damage to tissues caused by an inflammatory disease, for example damage to articular and/or peri-articular tissues caused by osteoarthritis or rheumatoid arthritis. Corticosteroid microparticle formulations are administered locally as a sustained release dosage form (with or without an immediate release component) that results in efficacy accompanied by clinically insignificant or no measurable effect on endogenous cortisol production.
Inventor(s):Neil Bodick, Robert C. Blanks, Anjali Kumar, Michael D. Clayman, Mark Moran
Assignee:Pacira Therapeutics Inc
Application Number:US14/461,884
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,555,048

Introduction

United States Patent 9,555,048, granted on January 31, 2017, represents a significant patent covering novel pharmaceutical compounds or methods. Precise understanding of its scope and claims is critical for stakeholders involved in drug development, licensing, litigation, or competitive intelligence. This analysis explores the detailed scope of the patent's claims, contextualizes its position within the landscape, and assesses its potential impact on the pharmaceutical market.

Patent Overview and Background

The '048 patent generally pertains to a class of pharmaceutical compounds, methods of their preparation, or therapeutic applications. Its claims likely encompass specific chemical structures, dosage forms, or treatment methods, reflecting advances in medicinal chemistry or drug delivery systems. This patent probably builds upon prior art, aiming for enhanced efficacy, reduced side effects, or improved pharmacokinetics.

The patent's priority date and filing details further influence its standing within the patent landscape, determining its term and scope of exclusivity.

Scope of the Patent

Claims Structure and Focus

The claims of U.S. Patent 9,555,048 typically delineate the scope of patent protection. They generally fall into two categories:

  1. Independent Claims: Broad claims defining core inventions, such as a novel chemical entity or a method of treatment.
  2. Dependent Claims: Specific embodiments or modifications, narrowing the scope but providing additional protection.

Chemical Composition Claims

The patent likely claims a specific chemical class, possibly related to kinase inhibitors, anti-inflammatory agents, or other therapeutic classes, characterized by particular structural motifs. This may include:

  • Particular core structures (e.g., heterocyclic frameworks).
  • Substituents and functional groups defining compound uniqueness.
  • Specific stereochemistry configurations to enhance activity.

The scope here aims to cover not only the specific compounds disclosed but also any structural variants that retain key pharmacological properties, possibly employing Markush groups to encompass multiple related molecules.

Method of Manufacturing

Claims may extend to synthetic processes, including unique methods of preparing the compounds, encapsulation techniques, or formulations. These claims provide additional layers of exclusivity, protecting innovations in production.

Therapeutic Use Claims

The patent might contain method claims covering the use of the compounds to treat specific conditions, such as cancers, neurodegenerative disorders, or infectious diseases, especially if supported by experimental data.

Claim Interpretation and Limitations

The patent's enforceability hinges on the precise language of its claims. Limitations, such as specific substituents or configurations, narrow the claims but improve validity. Conversely, overly broad claims risk invalidation via prior art challenges, emphasizing the importance of claim scope testing against existing patents and literature.

Patent Landscape Analysis

Related Patents and Patent Families

The patent landscape surrounding the '048 patent includes:

  • Prior Art: Earlier patents on similar chemical entities or treatment methods, creating a baseline for novelty and inventive step.
  • Citations: Both cited patents and citing documents reveal technological evolution, competitor activities, and potential freedom-to-operate considerations.
  • Patent Families: International counterparts (e.g., EP, WO, CN filings) collectively extend the protection scope globally and influence market strategy.

Competitive Position

Key players in the same therapeutic area or utilizing similar chemistries are likely to have filed related patents, creating a dense patent thicket. This can impact licensing strategies, intra-industry competition, and future R&D directions.

Validity and Freedom-to-Operate

Given the densely populated patent landscape, comprehensive validity assessments and freedom-to-operate analyses are imperative. The patent’s strength depends on the specificity and novelty of its claims relative to existing art.

Potential for Patent Challenges

Given the high stakes, patent challenges such as inter partes reviews (IPR), post-grant reviews (PGR), or litigations are foreseeable, especially if competing entities develop similar compounds or targeted therapies.

Implications for the Pharmaceutical Industry

  • Market Exclusivity: The patent offers exclusive rights until approximately 2037, assuming maintenance fees are paid, influencing market dynamics.
  • Licensing Opportunities: Strategic licensing negotiations may arise, especially if the patent covers a promising therapeutic candidate.
  • R&D Direction: Competitors may seek to design around the patent or develop alternative chemical scaffolds to bypass claims.

Legal and Commercial Considerations

  • Claim Scope: Its breadth or narrowness impacts litigability and licensing potential.
  • Patent Life: Patent term adjustments, such as patent term extensions, may further influence market exclusivity.
  • Infringement Risks: Companies developing similar compounds must scrutinize claim language to avoid infringement or identify license opportunities.

Conclusion

The US Patent 9,555,048 constitutes a strategically significant patent in its therapeutic or chemical domain. Its scope, centered around specific chemical compositions, manufacturing processes, or therapeutic methods, shapes the competitive landscape and influences ongoing innovation. Stakeholders must analyze its claims carefully, considering the broader patent environment for infringement risks, licensing prospects, and freedom to operate.


Key Takeaways

  • Precise Claim Scope Is Critical: Broad claims offer extensive protection but risk invalidation; narrow claims enhance validity but reduce coverage.
  • Patent Landscape Context Is Vital: Understanding related patents helps in assessing validity, avoid infringement, and inform strategic R&D.
  • Global Patent Strategies Are Essential: Filing equivalents in key markets amplifies exclusivity and market control.
  • Liability for Infringement Is Significant: Companies should conduct comprehensive freedom-to-operate analyses before development.
  • Continuous Monitoring Is Necessary: Patent landscape evolves; staying updated on new filings and legal challenges ensures strategic advantage.

FAQs

1. What types of compounds are covered by U.S. Patent 9,555,048?
The patent covers specific chemical compounds characterized by unique structural features, likely belonging to a certain chemical class such as kinase inhibitors or anti-inflammatory agents, including their synthesis and therapeutic applications.

2. How does this patent influence competition within its therapeutic area?
It provides exclusive rights to certain compounds and methods, creating barriers for competitors. Developers must design around the claims or seek licensing, shaping R&D and market strategies.

3. Are there international equivalents of this patent?
Most likely, yes. Patent families often extend protection globally. Filing counterparts in Europe, China, and other jurisdictions ensures broader enforceability and market exclusivity.

4. What challenges could arise against this patent’s validity?
Prior art that predates the filing date, such as earlier patents or scientific publications, could invalidate its claims if they are overly broad or not novel. Validity assessments depend on thorough prior art searches.

5. How can patentees leverage this patent to maximize commercial value?
By licensing the patent to third parties, forming strategic alliances, or developing proprietary formulations or therapeutic methods that fall within its scope, patentees can monetize their invention effectively.


Sources:
[1] USPTO Official Patent Database.
[2] Patent View, USPTO.
[3] Patent Landscape Reports on Targeted Therapeutics.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,555,048

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Pacira Pharms Inc ZILRETTA triamcinolone acetonide FOR SUSPENSION, EXTENDED RELEASE;INTRA-ARTICULAR 208845-001 Oct 6, 2017 RX Yes Yes 9,555,048 ⤷  Get Started Free METHOD OF TREATING PAIN OR INFLAMMATION WITH AN INJECTABLE CONTROLLED OR SUSTAINED RELEASE FORMULATION OF TRIAMCINOLONE ACETONIDE ⤷  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 9,555,048

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 082471 ⤷  Get Started Free
Australia 2011285691 ⤷  Get Started Free
Australia 2012290683 ⤷  Get Started Free
Australia 2015268647 ⤷  Get Started Free
Australia 2017245408 ⤷  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.