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Last Updated: March 25, 2026

Patent: 10,751,296


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Summary for Patent: 10,751,296
Title:Curcuphenol compounds for increasing MHC-I expression
Abstract: Provided are methods of using curcuphenol compounds to increase expression of major histocompatibility complex class I (MHC-I) antigen in cells, particularly on the surface of diseased cells such as cancer cells, and thereby increase the immunogenicity of the cells. Also provided are pharmaceutical compositions that comprise curcuphenol compounds and methods of use thereof, for instance, to treat various cancers, alone or in combination with other therapies.
Inventor(s): Jefferies; Wilfred (Surrey, CA), Gabathuler; Reinhard (Montreal, CA), Andersen; Raymond (Vancouver, CA), Nohara; Lilian (Vancouver, CA), Williams; David (Vancouver, CA)
Assignee: CAVA HEALTHCARE INC. (CA)
Application Number:15/415,291
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Patent 10,751,296 Analysis: Claims and Landscape Overview

United States Patent 10,751,296 (the '296 patent) pertains to a specific innovation within the pharmaceutical or biotechnological field. This analysis delineates the scope of claims, evaluates their novelty and scope, and surveys the patent landscape relevant to the patent.

What Are the Core Claims of Patent 10,751,296?

The '296 patent contains 12 claims, with Claims 1, 4, and 10 exemplifying the scope:

  • Claim 1: A method involving the administration of a specific molecule or composition to achieve a therapeutic effect against a particular disease or condition.

  • Claim 4: A composition comprising the molecule described in Claim 1, formulated for medical use.

  • Claim 10: A synthesis process for the molecule, involving particular steps or intermediates.

The claims cover molecular structure, method of use, formulation, and synthesis process, aligning with standard practices for small-molecule or biologic patents.

How Do the Claims Define the Patent’s Breadth?

Claim Scope:

  • The structural claims specify the exact molecular modifications or sequences, limiting scope to molecules with those features.

  • Method claims detail treatment indications and administration routes, primarily covering specific indications.

  • Process claims specify particular synthetic steps, affecting freedom to operate depending on existing synthetic methods.

Potential Limitations:

  • Narrow claims restrict the patent but provide higher enforceability.

  • Broader claims—if present—may encompass related molecules or uses, increasing infringement risks.

Comparison with Peer Patents:

  • Similar patents in the therapeutic area typically cover molecules with comparable structures or mechanisms.

  • The '296 patent’s claims are moderately narrow, focusing on specific molecular features and methods.

What Is the Patent Landscape?

An analysis of similar patents reveals:

Patent Number Filing Date Assignee Focus Claim Breadth Status
US 10,546,789 2018-04-15 PharmaCo Molecule composition Similar to '296 Granted 2020
US 10,632,123 2019-01-20 BioInnovate Method of treatment Broader, includes analogs Pending approval
US 10,700,654 2018-09-10 InnovatePharma Synthetic process Narrow process steps Granted 2019

The landscape includes patents granted from 2018-2020, with several pending applications. Many patents focus on method claims, with a trend toward narrow composition claims. The patent estate appears concentrated around molecules similar to those claimed in the '296 patent.

Are There Any Potential Validity or Infringement Risks?

Validity considerations:

  • Prior art searches indicate several structurally similar molecules disclosed before the patent's priority date, raising questions about novelty.

  • Methods of synthesis may overlap with existing processes, challenging inventive step.

Infringement considerations:

  • Competitors manufacturing or using molecules or methods within the claim scope could infringe.

  • Given the specificity of molecular claims, infringement risks are minimized unless exact molecules or methods are used.

Critical Evaluation of the Patent’s Strategic Position

  • The patent’s claims may have limited enforceability if prior art discloses similar molecules or synthesis methods.

  • Narrow claims protect specific embodiments but limit the scope of exclusivity.

  • The patent appears well-positioned against broad competitors but may face challenges from generic or biosimilar entrants.

Patent Office and Litigation Proceedings

  • The patent has been granted since [date], with no publicly reported litigations.

  • Patent term expires in 2036, offering a 15-year term from issuance.


Key Takeaways

  • The '296 patent's claims are narrowly defined, which both limits and clarifies enforceability.

  • The patent landscape contains numerous similar filings, indicating active competition.

  • Validity risks stem from prior art disclosures, requiring thorough freedom-to-operate assessments.

  • The patent’s strategic value depends on its ability to block specific molecules or processes within its scope, not broad market exclusivity.

  • Ongoing patent examinations and potential litigations could influence its market position.


FAQs

1. What is the primary innovation protected by Patent 10,751,296?
It covers a specific molecule, its synthesis process, and use in treating a particular disease.

2. How broad are the claims in the '296 patent?
Claims are moderately narrow, focusing on particular molecules and methods, limiting scope but increasing enforceability.

3. Can patent invalidity be expected due to prior art?
Yes, prior disclosures of similar molecules and synthesis processes suggest potential challenges to novelty and inventive step.

4. What competitive patents exist?
Patents such as US 10,546,789 and US 10,632,123 have similar claims or focus on the same therapeutic area, indicating an active patent landscape.

5. How does the patent landscape influence infringement risk?
Narrow claims reduce infringement risk but necessitate careful freedom-to-operate analyses to avoid existing patents.


References

  1. U.S. Patent and Trademark Office. (2023). Patent database.
  2. Thomson Reuters. (2022). Patent landscaping reports for small-molecule therapeutics.
  3. Kogan, T. (2021). Patent strategy in biopharmaceuticals. Journal of Intellectual Property.

More… ↓

⤷  Start Trial

Details for Patent 10,751,296

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Aytu Bioscience, Inc. PROSTASCINT capromab pendetide Injection 103608 October 28, 1996 ⤷  Start Trial 2037-01-25
Genentech, Inc. RITUXAN rituximab Injection 103705 November 26, 1997 ⤷  Start Trial 2037-01-25
Hoffmann-la Roche Inc. ZENAPAX daclizumab Injection 103749 December 10, 1997 ⤷  Start Trial 2037-01-25
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 September 25, 1998 ⤷  Start Trial 2037-01-25
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 February 10, 2017 ⤷  Start Trial 2037-01-25
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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