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Last Updated: April 19, 2025

Details for Patent: 10,925,897


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Which drugs does patent 10,925,897 protect, and when does it expire?

Patent 10,925,897 protects VELPHORO and is included in one NDA.

Protection for VELPHORO has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has ninety-three patent family members in thirty-four countries.

Summary for Patent: 10,925,897
Title:Pharmaceutical compositions
Abstract: Pharmaceutical compositions for oral administration, in particular administration as an oral delivery system to be swallowed directly or capable of disintegration in the oral cavity, comprising iron oxy-hydroxide in high loading.
Inventor(s): Weibel; Ludwig Daniel (Waldstatt, CH), Philipp; Erik (Arbon, CH)
Assignee: Vifor Fresenius Medical Care Renal Pharma Ltd (St Gallen, CH)
Application Number:16/906,648
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent landscape, scope, and claims:

Understanding the Scope and Claims of a Patent: A Detailed Analysis of United States Patent 10,925,897

Introduction

When analyzing a patent, particularly one like United States Patent 10,925,897, it is crucial to delve into the scope and claims of the patent to understand its protective coverage and its place within the broader patent landscape. This article will guide you through the key components of patent analysis, using the example of US Patent 10,925,897, although the specific details of this patent are not provided here.

What is a Patent?

A patent is a property right granted by the U.S. government to an inventor, allowing them to exclude others from making, using, offering for sale, or selling the invention throughout the United States or importing the invention into the United States[4].

The Importance of Claims in a Patent

The claims section of a patent application is essential because it defines the scope of the patent's protection. Claims are the legal boundaries that outline what is protected by the patent and what is not[4].

Types of Claims

  • Independent Claims: These claims stand alone and define the invention without reference to other claims.
  • Dependent Claims: These claims refer back to and further limit an independent claim.

Metrics for Measuring Patent Scope

Patent scope can be measured using various metrics, such as independent claim length and independent claim count. These metrics can provide insights into the breadth and clarity of the patent claims. For instance, narrower claims are often associated with a higher probability of grant and a shorter examination process[5].

Patent Application Process

To understand the scope and claims of a patent, it is helpful to know the process through which a patent is granted.

Filing a Patent Application

A patent application can be filed as a non-provisional or provisional application. A non-provisional application includes a specification, drawings, oath or declaration, application data sheet, transmittal letter, and fees. A provisional application has fewer formal requirements and allows the applicant to establish an early filing date[4].

Patent Prosecution

After filing, a patent examiner reviews the application, including the claims, for compliance with legal requirements and conducts a prior art search to determine if the claimed invention is useful, novel, and non-obvious. If the examiner finds the invention patentable, a patent is granted; otherwise, the applicant may receive an Office Action detailing the reasons for rejection or objections[4].

Analyzing the Scope of a Patent

Claim Coverage Matrix

A Claim Coverage Matrix is a tool used to categorize patents by claims and scope concepts. This helps in understanding which patents and claims are actively protecting the intellectual property and where gaps or opportunities exist. This matrix can be particularly useful in complex patent landscapes where multiple patents and claims need to be analyzed concurrently[3].

Claim Charts

Claim charts are interactive tools generated by software like ClaimScape®. These charts help technical experts determine whether a particular scope concept is applicable to a target product or method, highlighting gaps in current coverage and future design opportunities[3].

Patent Term and Adjustments

The patent term is generally 20 years from the filing date of the non-provisional patent application. However, this term can be adjusted due to various factors.

Patent Term Adjustment (PTA)

PTA is granted if the issuance of the patent is delayed due to the failure of the Patent and Trademark Office to meet certain response times. This adjustment adds days to the patent term for each day of delay[4].

Patent Term Extension (PTE)

PTE can be granted under specific circumstances, such as delays in the FDA approval process. However, the interaction between PTE and other patent term adjustments, like PTA, must be carefully considered. For instance, a terminal disclaimer, which is often used to overcome obviousness-type double patenting (ODP) rejections, affects the expiration date of the patent differently than PTA[1].

Obviousness-Type Double Patenting (ODP)

ODP is a doctrine that prevents an inventor from securing a second, later-expiring patent for an invention covered by a patent that was filed at the same time but has a different patent term due to adjustments like PTA. ODP analysis must consider the adjusted expiration date of the patent, including any PTA or PTE[1].

Patent Landscape Analysis

Analyzing the patent landscape involves understanding the existing patents and their claims to identify gaps, opportunities, and potential risks.

Tracking Patents by Claims and Scope Concepts

By categorizing patents not only by claims but also by overarching scope concepts, companies can efficiently filter, search, and analyze large numbers of patent claims. This approach helps in determining the value of patent claims and identifying areas where coverage is lacking[3].

Future Design Opportunities

Patent landscape analysis also highlights future design opportunities. By using tools like claim charts, companies can determine whether a particular scope concept is applicable to a target product or method, guiding innovation and development strategies[3].

Key Takeaways

  • Claims Define Patent Scope: The claims section is crucial in defining what is protected by the patent.
  • Patent Term Adjustments: PTA and PTE can extend the patent term, but their interactions with ODP and terminal disclaimers must be carefully considered.
  • Patent Landscape Analysis: Tools like Claim Coverage Matrix and claim charts are essential for understanding the patent landscape and identifying gaps and opportunities.
  • Metrics for Patent Scope: Independent claim length and count can provide insights into the breadth and clarity of patent claims.

FAQs

Q: What is the primary purpose of the claims section in a patent application?

A: The claims section defines the scope of the patent's protection, outlining what is protected by the patent.

Q: How does Patent Term Adjustment (PTA) affect the patent term?

A: PTA adds days to the patent term for delays caused by the Patent and Trademark Office's failure to meet certain response times.

Q: What is Obviousness-Type Double Patenting (ODP)?

A: ODP prevents an inventor from securing a second, later-expiring patent for an invention covered by a patent that was filed at the same time but has a different patent term due to adjustments.

Q: How can a Claim Coverage Matrix help in patent analysis?

A: A Claim Coverage Matrix helps in categorizing patents by claims and scope concepts, making it easier to identify gaps and opportunities in the patent landscape.

Q: What are the benefits of using claim charts in patent analysis?

A: Claim charts help technical experts determine whether a particular scope concept is applicable to a target product or method, highlighting gaps in current coverage and future design opportunities.

Sources

  1. In re Cellect - United States Court of Appeals for the Federal Circuit[1].
  2. U.S. Patent and Trademark Office (USPTO) - USA.gov[2].
  3. Patent Analytics - Schwegman, Lundberg & Woessner, P.A.[3].
  4. Patents - The Maryland People's Law Library[4].
  5. Patent Claims and Patent Scope - SSRN[5].

More… ↓

⤷  Try for Free


Drugs Protected by US Patent 10,925,897

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vifor Fresenius VELPHORO ferric oxyhydroxide TABLET, CHEWABLE;ORAL 205109-001 Nov 27, 2013 RX Yes Yes 10,925,897*PED ⤷  Try for Free Y ⤷  Try for 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 10,925,897

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 069312 ⤷  Try for Free
Australia 2008322963 ⤷  Try for Free
Brazil PI0820308 ⤷  Try for Free
Canada 2700444 ⤷  Try for Free
China 101861146 ⤷  Try for Free
China 104688702 ⤷  Try for Free
China 106619710 ⤷  Try for Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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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. 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.