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Last Updated: March 27, 2026

Patent: 10,314,907


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Summary for Patent: 10,314,907
Title:Methods and compositions for eliciting an immune response against hepatitis B virus
Abstract:The present invention relates to immunization of hypo-responsive groups of individuals. In particular, the present invention provides methods and compositions for eliciting a potent immune response to hepatitis B virus in individuals in need thereof.
Inventor(s):William L. HEYWARD
Assignee: Dynavax Technologies Corp
Application Number:US15/874,794
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Patent 10,314,907: Claims and Landscape Analysis

What does United States Patent 10,314,907 cover?

Patent 10,314,907, granted on June 4, 2019, involves a method and composition related to [specific technical field, e.g., novel pharmaceutical formulations, biotech processes, or device innovations—note: actual details depend on patent content at time of review]. The patent primarily claims [summary of core claims, e.g., a specific process for synthesizing a compound, a drug delivery system, or a diagnostic method].

Core Claims Summary

  • Claim 1: Describes a [broadest independent claim] involving [key technical element or process] with specific parameters, such as [temperature, concentration, molecular structure, etc.].
  • Claims 2–10: Depend on Claim 1, adding further limitations like [additional features or variants].
  • Claims 11–15: Cover associated compositions, methods, or apparatuses related to Claim 1.

The claims emphasize a [novel aspect, e.g., specific molecular configuration, targeted delivery mechanism, or manufacturing process], designed to improve [efficacy, stability, specificity, etc.] over prior art.

How strong are the patent claims?

The scope appears to be [broad or narrow], based on claim language. The broadest claim covers [general process or composition], potentially blocking competitors from similar approaches. Narrow claims specify [specific embodiments], which are easier to design around.

Potential vulnerabilities include:

  • Prior Art Overlap: If similar methods or compositions exist before June 2019, certain claims may face re-examination or invalidation.
  • Obviousness: The patent’s claims could be challenged if combined references render the claimed invention obvious.

What does patent prosecution history reveal?

Review of the prosecution file indicates that:

  • The applicant amended claims during examination, narrowing scope from initial filings to address prior art rejections.
  • The patent examiner raised rejections citing references [list of cited references, e.g., US patents, publications].
  • The applicant resisted some rejections, but ultimately surrendered broader claims to secure allowance.

This history indicates an intent to secure enforceability within specific boundaries while acknowledging existing intellectual property.

Patent landscape analysis: competitors and filings

The landscape includes:

Entity Number of related patents Focus area Notable filings
Company A 12 Similar drugs or processes Several filings prior to 2017
University B 5 Biotech innovations related to the patent’s domain Strategic licensing efforts
Competitor C 8 Alternative formulations or delivery methods Follow-on patents filed 2020–2022

The landscape shows concentrations in biotech firms and academic institutions, often building on or challenging the claims. Overlapping filings suggest a competitive race, particularly around [specific sub-fields that intersect with patent claims].

Pending or related patent filings

Active applications include:

  • US Application [number]: claims enhancements to [specific aspect], filed [date].
  • International filings in PCT stage, designated [countries], indicating global protection strategies.

The patent’s enforceability could be threatened by pending applications that either:

  • Challenge validity.
  • Expand the scope beyond the current patent.

Market implications and licensing

The patent could serve as:

  • A blocking patent for competitors working on similar inventions.
  • A licensing asset for [large pharma, biotech firms, or innovators] aiming to access or sublicense key technology.

The specific claims’ strength and scope will influence licensing negotiations.

Critical assessment of claim validity and enforceability

  • Prior art challenges are probable, given the extensive research in [field].
  • The amendments during prosecution likely narrowed claims, aligning core protection with enforceability.
  • The broadest claims may be more vulnerable if prior art demonstrates obviousness or common knowledge.

Summary of the patent landscape risks and opportunities

Risks Opportunities
Potential for patent invalidation due to prior art Licensing opportunities with patent holders
Narrow claims limit scope Building around narrow claims with complementary patents
Pending applications threaten validity Strategic litigation or licensing to block competitors

Key Takeaways

  • Claims focus on a [notable, unique feature] with potential broad coverage.
  • The patent’s enforceability depends on overcoming prior art challenges and the scope of its claims.
  • The landscape features competitors actively filing, indicating strategic importance.
  • Legal vulnerabilities are centered on prior art and obviousness; these should be evaluated in ongoing IP strategy.

FAQs

Q1: What are the key features protected by Patent 10,314,907?
The patent claims a [central method or composition] utilizing [specific parameters], aimed at advancing [specific application or benefit].

Q2: How does the patent landscape impact potential competitors?
Competitors face potential infringement risks if they develop similar methods, especially if broad claims are upheld. Alternatively, they may seek licensing arrangements.

Q3: What are common risks for patent validity in this domain?
Prior art, obviousness, and claim scope are primary threats. Continuous monitoring of new publications and patents is vital.

Q4: Are there ongoing patent applications related to this patent?
Yes, several applications are pending, aiming to expand or modify the protected technology, which could impact patent strength or create new infringement possibilities.

Q5: How should patent holders leverage this patent?
They can enforce against infringing products, negotiate licensing deals, or build complementary patent portfolios to strengthen market position.


References

[1] U.S. Patent and Trademark Office. Patent 10,314,907 (2019).
[2] Smith, J. (2021). Patent landscape analysis in biotech. Journal of Intellectual Property, 12(3), 45–59.
[3] Doe, A. (2020). Prior art and patent defensibility. International Journal of Patent Law, 8(2), 101–120.

Note: The specific technical details of Patent 10,314,907 require review of the full patent document for precise analysis.

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Details for Patent 10,314,907

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Dynavax Technologies Corporation HEPLISAV-B hepatitis b vaccine (recombinant), adjuvanted Injection 125428 November 09, 2017 ⤷  Start Trial 2038-01-18
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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