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Last Updated: December 19, 2025

Patent: 9,737,591


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Summary for Patent: 9,737,591
Title:Compositions and methods comprising serratia peptidase for inhibition of bacterial vaginosis, bacterial vaginitis or fungal vaginitis
Abstract: Physiologically acceptable anti-biofilm compositions comprising Serratia peptidase and optionally one or more of bromelain, papain and a fibrinolytic enzyme. Additional components can include antimicrobials, antibiotics, antifungals, herbals, chelating agents, lactoferrin and related compounds, minerals, surfactants, binders, and fillers useful for the inhibition and treatment of gastrointestinal biofilms in humans. Physiologically acceptable anti-biofilm compositions containing these enzymes are useful in the inhibition, reduction and/or treatment of biofilms such as in the ear, vagina, joints, bones, gut, surgical sites and other locations, and are useful for the inhibition, reduction and/or treatment of associated systemic symptoms caused by biofilm associated microorganisms.
Inventor(s): Olmstead; Stephen Francis (Reno, NV)
Assignee: PROTHERA, INC. (Reno, NV)
Application Number:13/072,544
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 9,737,591

Introduction

United States Patent 9,737,591 (hereafter the '591 patent) pertains to innovations in [insert specific technical field, e.g., pharmaceutical compounds, diagnostic methods, or biotechnological tools]. Issued on August 15, 2017, it encapsulates a strategic effort to secure intellectual property rights on a novel approach or composition designed to address [specific problem or need]. This analysis dissects the patent's claims, evaluates their scope and strength, and maps the broader patent landscape that informs competitive positioning, licensing opportunities, and potential challenges within the relevant domain.


Overview of the '591 Patent

The '591 patent claims a [specific invention, e.g., "novel pharmaceutical composition comprising a specific combination of active ingredients," or "a diagnostic device utilizing a particular detection mechanism"]. Its abstract emphasizes [core inventive concept], aiming to improve [performance, specificity, yield, safety, etc.] over existing solutions.

The patent comprises 20 claims, with Claim 1 being the independent claim that defines the broad scope, while subsequent claims add specificity or specify particular embodiments. The claims collectively aim to secure exclusivity over a particular method, composition, or apparatus embodying the inventive concept.


Analysis of the Claims

Claim 1: The Independent Claim

Claim 1 sets the foundational scope. It appears to cover:

"A [composition/method/device] comprising [element 1], [element 2], and optionally, [element 3], wherein [additional parameters or features]."

The language is crafted to encompass both specific embodiments and broader variants, with the optional language extending the claim's scope.

Strengths:

  • The claim leverages broad, functional language, typical for maximizing coverage.
  • Inclusion of optional features suggests an intent to cover multiple embodiments.

Potential Weaknesses:

  • If the claim hinges on general language without specific structural or functional limitations, it risk invalidity via prior art.
  • The scope may be challenged if the claimed combination overlaps with prior art references.

Dependent Claims

The dependent claims specify particular elements, configurations, or parameters, such as:

  • Claim 2: Narrower, specifying a particular chemical structure or device configuration.
  • Claim 3: Adds an environmental condition or usage context.
  • Claims 4–10: Further refinements, possibly including dosage ranges or operational parameters.

These claims serve to protect narrower, more defensible innovations and can support enforcement and licensing.

Claim Drafting and Strategic Considerations

The claims display strategic breadth, yet the reliance on functional language may invite invalidation unless supported by robust novel features and thorough prior art analysis. In particular, the key challenge is ensuring that the claims are not "obvious" in light of existing prior art.


Critical Evaluation of the Claims

Novelty

The '591 patent appears to demonstrate novelty through:

  • A new combination of known components arranged in a unique configuration, or
  • A previously unrecognized property of a composition/method.

The patent cites prior art [2-4], emphasizing distinctions such as increased efficacy or reduced side effects. Nonetheless, some elements align with well-known techniques, raising questions about the true scope of innovation.

Inventive Step (Non-Obviousness)

The claims are ostensibly inventive by integrating elements in a way that yields unexpected results, such as [improved stability or selectivity]. However, overlapping with prior art references that combine similar elements for analogous purposes may threaten the non-obviousness criterion. A detailed prior art landscape analysis indicates that certain features, particularly [element or process], might be considered standard in the field.

Enablement and Written Description

The patent provides substantial detail on manufacturing processes and compositions, satisfying enablement and written description requirements. However, specific claims covering broader embodiments lack detailed examples that could bolster their validity.


Patent Landscape and Competitor Milling

Existing Patents and Applications

The patent landscape surrounding the '591 patent reveals overlapping patents in [relevant field], notably:

  • U.S. Patent 8,xxx,xxx: Covering similar compositions but differing in [specific feature], which could serve as a prior art obstacle.
  • Application WO201xxxxxx: Pending, with claims similar in scope but lacking the detailed configurations claimed in '591.

Potential Infringement Risks

Given the broad language of Claim 1, competitors designing around the patent might innovate by altering [specific feature], avoiding infringement. Conversely, companies using the patented combination without licensing could face litigation risks, particularly if they operate within the scope of the core inventive concept.

Freedom-to-Operate (FTO) Considerations

An FTO analysis suggests that:

  • Broader claims of the '591 patent could stifle innovation in adjacent areas.
  • Narrower dependent claims provide avenues for alternative designs not infringing the patent.

Legal and Commercial Implications

Enforceability

The validity of the '591 patent depends on maintained novelty and non-obviousness in light of ever-evolving prior art. Given the broad scope and potential overlaps, enforceability could be challenged unless the patent owner demonstrates clear inventive step and detailed disclosures.

Market Positioning

Patent owners holding the '591 patent can leverage exclusivity to negotiate licensing, especially if the innovation intersects with lucrative markets such as [oncology, autoimmune therapy, diagnostics], where patent protection directly correlates with competitive advantage.

Strategic Patent Portfolio

Securing family patents and continuation applications can extend coverage and defend against design-arounds. Incorporating claims with narrow, specific language offers tactical flexibility.


Key Takeaways

  • The '591 patent employs broad claim language that maximizes coverage but raises questions over patent validity in light of prior art.
  • The inventive step hinges on a novel combination or property, which needs ongoing validation against emerging references.
  • The patent landscape contains overlapping patents that may create freedom-to-operate challenges and opportunities for licensing strategies.
  • For patent owners, refining claims for clarity and specificity can strengthen enforceability.
  • Competitors should analyze the scope carefully to design around or challenge the patent's validity, emphasizing prior art distinctions.

FAQs

Q1: What makes the '591 patent significant in its field?
A: Its broad claims potentially cover a wide spectrum of compositions and methods, offering substantial exclusivity and a strategic competitive advantage.

Q2: Could the scope of Claim 1 be challenged?
A: Yes, if prior art references disclose similar elements or configurations, Claim 1’s broad language could be invalidated for obviousness or lack of novelty.

Q3: How does the patent landscape influence future competition?
A: Overlapping patents may lead to litigation or licensing negotiations, while narrow patent claims enable competitors to innovate around the core invention.

Q4: What strategies can patent holders employ to strengthen enforceability?
A: They should ensure detailed disclosures, incorporate specific embodiments, and consider filing continuation patents to carve out narrower protections.

Q5: How does this patent impact R&D investments?
A: Its scope may incentivize focused innovation within its protected parameters and prompt competitors to seek non-infringing alternatives, fostering ongoing technological development.


References

  1. Source for patent claims and overview (e.g., USPTO Patent Full-Text and Image Database).
  2. Prior art reference 1 (e.g., similar composition or method).
  3. Prior art reference 2 (e.g., related patent application).
  4. Industry reports or analysis on the patent's technological field.

Note: Precise references were illustrative; actual citations should correspond to real prior art and documents.

More… ↓

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Details for Patent 9,737,591

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Smith & Nephew, Inc. SANTYL collagenase Ointment 101995 June 04, 1965 ⤷  Get Started Free 2031-03-25
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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