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Last Updated: December 22, 2024

Details for Patent: RE29668


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Summary for Patent: RE29668
Title: Glycineamides
Abstract:A process for the synthesis of N-aryl-3,4-dihydro-2-alkyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides by treatment of N-aryl-N'-alkyl-N'-(2'-alkoxycarbonylbenzenesulfonyl)glycineamides, useful intermediates for said process, with an alkali or alkaline earth metal hydride in a reaction-inert solvent at 50.degree.-150.degree. C., said products being antiinflammatory agents. .Iadd.
Inventor(s): Lombardino; Joseph G. (Niantic, CT)
Assignee: Pfizer Inc. (New York, NY)
Application Number:05/780,312
Patent Claim Types:
see list of patent claims
Compound; Process;
Patent landscape, scope, and claims:

Understanding the Scope and Claims of a US Patent: A Detailed Analysis

When analyzing the scope and claims of a US patent, such as the United States Patent RE29668, it is crucial to delve into several key aspects that define the patent's validity, coverage, and impact on the intellectual property landscape.

Patent Basics and Terminology

Before diving into the specifics of a patent, it's essential to understand some basic terminology:

  • Progenitor Application: The original patent application from which subsequent applications or continuations may arise[1].
  • Claims: The most critical part of a patent application, defining the scope of the invention and what is protected by the patent[3].
  • Inventorship: The identification of individuals who conceived the idea or ideas of the patent claims[4].

Determining Inventorship

Inventorship is a critical aspect of patent law. It is defined as the conception of the idea or ideas of the patent claims. Here are some key points:

  • Conception: The formation in the mind of the inventor of a definite and permanent idea of the complete and operative invention[4].
  • Collaboration: Two or more persons who collaborate to produce the invention through aggregate efforts can be considered inventors[4].
  • Reduction to Practice: While reducing an invention to practice is important, it does not qualify someone as an inventor unless they contributed to the conception of the invention[4].

Understanding Patent Claims

Patent claims are the heart of any patent application. Here’s how to analyze them:

  • Claim Coverage Matrix: This tool helps in categorizing patents by claims and scope concepts, making it easier to understand which patents and claims are actively protecting your intellectual property[3].
  • Claim Charts: Interactive charts generated by software like ClaimScape® can help review patent coverage and identify gaps or opportunities in your current claims[3].

Patent Allowance Rates and Continuation Procedures

The probability of receiving a US patent can be influenced by several factors, including the type of entity filing the patent and the use of continuation procedures.

  • Allowance Rates: There are three key measures: first-action allowance rate, progenitor allowance rate, and family allowance rate. These rates help in understanding the likelihood of a patent being granted[1].
  • Continuation Procedures: These include non-serialized continuations (like Requests for Continued Examination) and serialized continuations (like continuations-in-part and divisional applications). These procedures can significantly impact the patent landscape[1].

Patent Analytics and Landscape Analysis

Patent analytics is crucial for understanding the broader patent landscape.

  • Tracking Patents by Claims and Scope Concepts: This involves categorizing patents not just by claims but also by overarching scope concepts, which helps in filtering, searching, and analyzing large numbers of patent claims[3].
  • Identifying Gaps and Opportunities: Tools like ClaimScape® help in determining whether a particular scope concept is applicable to a target product or method, highlighting gaps in current coverage and future design opportunities[3].

Case Studies and Legal Precedents

Real-world cases can provide valuable insights into the complexities of patent law.

  • Allergan USA, Inc. v. MSN Laboratories Private Ltd.: This case highlights issues related to obviousness-type double patenting and the validity of claims based on written description. It underscores the importance of ensuring that claims are patentably distinct and that there is no delay in prosecution that could affect patent term adjustments[2].

Patent Validity and Enforcement

Ensuring the validity and enforceability of a patent is paramount.

  • Obviousness-Type Double Patenting: This doctrine can invalidate claims if they are not patentably distinct from earlier claims. The timing of filing and issuance can be critical in such cases[2].
  • Deceptive Intent: Errors in inventorship, especially those made with deceptive intent, can render a patent unenforceable. Correcting inventorship errors after a patent issues is possible but does not rectify fraud[4].

Patent Expiration and Term Adjustments

Understanding when a patent expires and any term adjustments is vital.

  • Patent Term: Generally, a patent expires 20 years from its priority date. However, term adjustments can occur due to delays in prosecution, affecting the patent's expiration date[2].

Key Takeaways

  • Inventorship: Accurately identifying inventors is crucial for the validity of a patent.
  • Claims Analysis: Understanding and categorizing claims by scope concepts helps in managing the patent landscape.
  • Continuation Procedures: These can significantly impact the probability of patent allowance and the complexity of the patent landscape.
  • Patent Analytics: Tools like ClaimScape® are essential for tracking and analyzing patent claims.
  • Legal Precedents: Cases like Allergan USA, Inc. v. MSN Laboratories Private Ltd. highlight the importance of ensuring patent claims are valid and distinct.

Frequently Asked Questions (FAQs)

What is the significance of inventorship in a US patent?

Inventorship is crucial as it determines who conceived the idea or ideas of the patent claims. Incorrect inventorship can lead to invalidation of the patent.

How do continuation procedures affect the patent landscape?

Continuation procedures can lead to multiple patents from a single progenitor application, complicating the calculation of allowance rates and expanding the scope of protection.

What is the role of patent analytics in managing intellectual property?

Patent analytics helps in categorizing and analyzing patent claims, identifying gaps in coverage, and highlighting future design opportunities.

What is obviousness-type double patenting, and how does it affect patent validity?

Obviousness-type double patenting can invalidate claims if they are not patentably distinct from earlier claims, especially if there are delays in prosecution.

How do term adjustments affect the expiration date of a patent?

Term adjustments due to delays in prosecution can extend the patent term beyond the standard 20 years from the priority date.

Cited Sources

  1. Carley, M., & Hegde, D. (n.d.). What Is the Probability of Receiving a US Patent?. Retrieved from https://yjolt.org/sites/default/files/carley_hegde_marco-what_is_the_probability_of_receiving_a_us_patent_0.pdf
  2. United States Court of Appeals for the Federal Circuit. (2024, August 13). ALLERGAN USA, INC. v. MSN LABORATORIES PRIVATE LTD.. Retrieved from https://cafc.uscourts.gov/opinions-orders/24-1061.OPINION.8-13-2024_2366074.pdf
  3. Schwegman Lundberg & Woessner, P.A. (n.d.). Patent Analytics. Retrieved from https://www.slwip.com/services/patent-analytics/
  4. Oregon State University. (n.d.). Determining Inventorship for US Patent Applications. Retrieved from https://agsci.oregonstate.edu/sites/agsci/files/main/research/vrc_release_inventorship-gattari.pdf

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Drugs Protected by US Patent RE29668

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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 RE29668

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 205249 ⤷  Subscribe
Austria 333777 ⤷  Subscribe
Austria A327374 ⤷  Subscribe
Canada 1018525 ⤷  Subscribe
Switzerland 590257 ⤷  Subscribe
Czechoslovakia 165311 ⤷  Subscribe
German Democratic Republic 111079 ⤷  Subscribe
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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