You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: April 5, 2025

Details for Patent: 11,813,246


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 11,813,246
Title:Pharmaceutical composition
Abstract:The invention concerns pharmaceutical compositions containing a hydrogen sulphate salt of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid (2-hydroxy-ethoxy)-amide and solvates, crystalline forms and amorphous forms thereof, to the use of said compositions as a medicament; and to processes for the preparation of said compositions.
Inventor(s):Nicola Frances Bateman, Paul Richard Gellert, Kathryn Jane Hill
Assignee:AstraZeneca AB, Array Biopharma Inc
Application Number:US17/313,312
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Understanding the Scope and Claims of United States Patent 11,813,246

When analyzing the scope and claims of a patent, such as United States Patent 11,813,246, it is crucial to delve into several key aspects that define the patent's legal boundaries, commercial viability, and positioning within the patent landscape.

Patent Claims: The Legal Boundaries

The patent claims section is the most critical part of any patent document, as it legally delineates what the patent covers and what it does not. For U.S. Patent 11,813,246, the claims must be carefully crafted to balance breadth and specificity.

Precision and Defensibility

The claims must be precise enough to be defensible but broad enough to cover the core innovation and potential future applications. Overly broad claims might encroach on existing prior art, making them vulnerable to legal challenges, while overly narrow claims might limit the patent’s commercial applicability[3].

Written Description, Enablement, and Novelty

To be valid, the patent specification must meet several legal requirements:

  • Written Description: The specification must adequately describe the invention.
  • Enablement: The specification must enable a person skilled in the relevant technology to make and use the invention.
  • Novelty: The invention must not be the same as something known in the prior art.
  • Nonobviousness: The invention must not be an obvious extension of the prior art[4].

Navigating the Patent Landscape

Understanding the existing patent landscape is essential for defining the scope of a patent. This involves researching existing patents and published applications to identify how the invention differs from what is already known.

Prior Art Research

Thorough research of prior art helps in positioning the invention in a way that is most likely to attract financing and avoid legal challenges. This research informs the crafting of patent claims and ensures that the invention is novel and nonobvious[4].

Market and Technological Landscape

Aligning the scope of the patent with current and future market needs is crucial. This means protecting the core functionality of the invention while considering potential future applications and developments. A patent scope that anticipates and covers evolving market trends is more likely to attract investment[3].

Patent Extensions and Exclusivities

In the pharmaceutical sector, patents can be extended through various mechanisms, such as patent term extensions, exclusivity extensions, and orphan drug designations.

Patent Term Extensions

Patent term extensions can be granted to compensate for delays in the regulatory approval process. For example, the total number of time extensions associated with a New Drug Application (NDA) can include patent term extensions that extend the protection period beyond the initial patent term[1].

Exclusivity Extensions

Exclusivity extensions, such as those granted for orphan drugs, can add additional years of market exclusivity. Orphan Drug designation, for instance, adds seven years of protection for a drug that treats, prevents, or diagnoses a disease affecting fewer than 200,000 people in the United States[1].

Case Studies and Legal Precedents

Pharmacyclics LLC v. Alvogen, Inc.

The case of Pharmacyclics LLC v. Alvogen, Inc. illustrates the importance of precise patent claims and the legal battles that can ensue. Pharmacyclics asserted multiple patents related to ibrutinib, a BTK inhibitor, and the court upheld the validity of these claims against allegations of invalidity and infringement. This case highlights the need for clear and defensible claims, as well as the importance of establishing the date of invention to avoid anticipation by prior art[2].

Commercial Viability and Financing

The scope and claims of a patent significantly impact its commercial viability and attractiveness to investors.

Balancing Broad Protection with Specificity

The creation of patent claims is an art that balances broad protection with specificity. Broad claims offer extensive market exclusivity but can be vulnerable to legal challenges. Narrow claims are easier to defend but may limit commercial applicability. Understanding the market and technological landscape is crucial in striking this balance[3].

Aligning with Market Needs

A patent scope that aligns with current and future market needs is more likely to attract investment. This involves not only protecting the core functionality of the invention but also considering potential future applications and developments[3].

Key Takeaways

  • Precision in Claims: Patent claims must be precise and defensible to avoid legal challenges.
  • Legal Requirements: The specification must meet written description, enablement, novelty, and nonobviousness requirements.
  • Market Alignment: The patent scope should align with current and future market needs.
  • Patent Extensions: Mechanisms like patent term extensions and exclusivity extensions can extend the protection period.
  • Legal Precedents: Cases like Pharmacyclics LLC v. Alvogen, Inc. highlight the importance of clear and defensible claims.

Frequently Asked Questions (FAQs)

What are the key legal requirements for a patent to be valid?

A patent must meet the requirements of written description, enablement, novelty, and nonobviousness to be valid[4].

How do patent term extensions work?

Patent term extensions can be granted to compensate for delays in the regulatory approval process, extending the protection period beyond the initial patent term[1].

What is the significance of orphan drug designation?

Orphan Drug designation adds seven years of protection for a drug that treats, prevents, or diagnoses a disease affecting fewer than 200,000 people in the United States[1].

Why is it important to align the patent scope with market needs?

Aligning the patent scope with market needs ensures that the invention is commercially viable and attractive to investors, considering both current and future market trends[3].

How do patent claims impact the commercial viability of an invention?

Patent claims that balance broad protection with specificity are more likely to attract investment and ensure market exclusivity while avoiding legal challenges[3].

Cited Sources

  1. UC Law Sites - About the Evergreen Drug Patent Database
  2. CAFC - PHARMACYCLICS LLC v. ALVOGEN, INC.
  3. PatentPC - The Importance of Patent Scope in the Financing Process
  4. CRS Reports - Patent Law: A Handbook for Congress

More… ↓

⤷  Try for Free


Drugs Protected by US Patent 11,813,246

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Patented / Exclusive UseSubmissiondate
Astrazeneca KOSELUGO selumetinib sulfate CAPSULE;ORAL 213756-001 Apr 10, 2020 RX Yes No ⤷  Try for Free ⤷  Try for Free Y ⤷  Try for Free
Astrazeneca KOSELUGO selumetinib sulfate CAPSULE;ORAL 213756-002 Apr 10, 2020 RX Yes Yes ⤷  Try for Free ⤷  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
Showing 1 to 2 of 2 entries

International Family Members for US Patent 11,813,246

CountryPatent NumberEstimated ExpirationSupplementary Protection CertificateSPC CountrySPC Expiration
Argentina 071100 ⤷  Try for Free
Argentina 116001 ⤷  Try for Free
Australia 2009229204 ⤷  Try for Free
Brazil PI0909267 ⤷  Try for Free
>Country>Patent Number>Estimated Expiration>Supplementary Protection Certificate>SPC Country>SPC Expiration
Showing 1 to 4 of 4 entries

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. 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.