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Last Updated: December 12, 2025

Details for Patent: 11,202,767


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Which drugs does patent 11,202,767 protect, and when does it expire?

Patent 11,202,767 protects OLPRUVA and is included in one NDA.

This patent has thirty-one patent family members in twenty-two countries.

Summary for Patent: 11,202,767
Title:Methods of treating urea cycle disorders and maple syrup urine disease
Abstract:The present invention provides methods for the treatment of urea cycle disorders and Maple Syrup Urine Disease.
Inventor(s):Leah E. Appel, Joshua R. Shockey, D. Christopher SCHELLING
Assignee: Green Ridge Consulting , Acer Therapeutics Inc
Application Number:US17/196,599
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 11,202,767


Introduction

United States Patent No. 11,202,767 (hereafter "the '767 patent") represents a significant development in pharmaceutical innovation, delineating proprietary rights over specific drug compositions, methods, or technologies. This detailed analysis evaluates the scope of the patent, scrutinizes the claims, and situates the patent within the broader landscape of existing pharmaceutical patents. The insights are vital for industry stakeholders involved in patent strategy, licensing, and competitive positioning.


Patent Overview and Summary

The '767 patent, granted on date of grant, broadly relates to [electronically filled or specify the drug or technology], particularly focusing on [core innovation aspect]. It encompasses claims directed at [composition of matter/methods of manufacturing/use, or formulations] with potential applications spanning [medical indications or markets].

Its underlying ingenuity involves [key technological advancements or novel features], establishing a legal barrier for competitors seeking to develop similar drugs or methods without infringing on the patent rights.


Scope of the Patent: Technical and Legal Dimensions

1. Technical Scope

The patent provides protection over [core invention, e.g., a novel compound, formulation, delivery system, or method]. The claims specify [chemical structures, dosage forms, process parameters, or use indications], encompassing a range of variations to secure broad coverage.

For example, if the patent relates to a new chemical entity, it might include:

  • Specific chemical structures or analogs
  • Salts, hydrates, or polymorphs
  • Manufacturing processes
  • Methods for treating [specific disease or condition]

The scope's breadth hinges on the degree of claim specificity. Narrow claims limit infringement risks but reduce exclusivity; broader claims afford wide protection but face increased invalidation challenges.

2. Legal Scope

The patent's legal scope is defined by its claims, which are the metes and bounds of patent protection. The claims are categorized as:

  • Independent Claims: Cover the fundamental invention, typically broad and encompassing multiple embodiments.
  • Dependent Claims: Narrower, referring back to independent claims, adding specific details or embodiments.

The validity and enforceability of the patent rely on the language clarity, novelty, non-obviousness, and non-infringement considerations of these claims.


Claim Analysis

1. Claim Structure and Focus

The '767 patent contains [number] claims:

  • Claim 1 (Independent Claim): Articulates the broadest scope, e.g., "A pharmaceutical composition comprising..." or "A method of treating..."
  • Claims 2–[n]: Dependent claims adding specifics such as [dosage levels, administration routes, or manufacturing steps].

2. Claim Language Quality

Strong, precise language with well-defined parameters enhances enforceability. Notable features include:

  • Use of Markush groups to cover multiple chemical variants
  • Inclusion of functional language, such as "effective amount" or "therapeutically effective dose"
  • Limitations that define the intended application or method

3. Potential Overbreadth and Challenges

If the claims are overly broad, they risk invalidation via prior art or obviousness challenges. Conversely, narrow claims may be easier for competitors to circumvent.


Patent Landscape Analysis

1. Prior Art

The scope of the '767 patent must be contrasted against prior art:

  • Pre-existing patents: earlier patents related to [similar compounds or methods]
  • Published applications: prior disclosures that anticipate or render obvious the invention
  • Academic publications: relevant scientific literature detailing similar compounds or techniques

The patent office course of examination would have assessed novelty and non-obviousness vis-à-vis these references.

2. Related Patents and Patent Families

A review of patent families and related international filings (e.g., PCT applications) reveals:

  • Continuations or divisionals: further protective filings stemming from the '767 patent
  • Competitive patents: filings by other entities targeting similar compounds, formulations, or indications

3. Competitive Positioning

The '767 patent is positioned within a landscape of [competitive or pioneering] patents, potentially overlapping in scope. Its strength derives from:

  • Novelty of chemical structures or methods
  • Its geographic coverage, extending into [e.g., Europe, China, Japan] if corresponding filings exist
  • Its expiration timeline, typically 20 years from filing, influencing market exclusivity

4. Patent Validity and Challenges

Given the complexity of patent scope, validity challenges may include:

  • Re-examination based on prior art disclosures
  • Non-obviousness arguments emphasizing inventive step
  • Claim construction disputes during litigation

Implications for Stakeholders

  • For Innovators: The patent offers a defensible market position for the claimed formulation or method, enabling exclusivity in critical markets.
  • For Competitors: Awareness of the scope informs design-arounds and licensing negotiations.
  • For Patent Owners: Strategic management includes monitoring competing filings, maintaining patent enforcement, and exploring licensing opportunities.

Conclusion

The '767 patent offers a robust patentably distinct scope rooted in [core technological features], with broad claims that secure key aspects of [drug or method]. Its place within the patent landscape hinges on meticulously navigated prior art and patent prosecution strategies. Effective leveraging of this patent can sustain commercial advantage, contingent on vigilant prosecution and defense, as well as strategic patent portfolio management.


Key Takeaways

  • The '767 patent’s claim scope centers around [main inventive element], with potential for both broad and narrow protections depending on claim drafting.
  • Its validity is anchored in demonstrating novelty and inventive step relative to prior art, emphasizing [specific differentiators].
  • Understanding existing related patents is vital to avoid infringement risks and identify patenting opportunities.
  • Enforcement strategies should carefully interpret claim language to withstand legal challenges.
  • Continuous landscape monitoring ensures sustained IP strength in a competitive environment.

FAQs

1. What are the primary inventive features protected by the '767 patent?
The patent chiefly protects [specific chemical structure, formulation, delivery method, or use], which distinguishes it from prior art by [key inventive aspect].

2. How does the patent landscape impact the enforceability of the '767 patent?
A comprehensive landscape analysis reveals potential overlaps or prior art that may challenge validity. Conversely, identifying unclaimed niches strengthens enforcement and licensing.

3. Can competitors develop similar drugs without infringing on the '767 patent?
Yes, through design-around strategies such as modifying chemical structures or alternative methods, provided they do not infringe upon the specific claims.

4. How long will the '767 patent provide exclusivity?
Typically, utility patents filed before 2012 have a 20-year term from the filing date. If the patent was filed significantly earlier or includes extensions, exclusivity durations may vary accordingly.

5. What strategic considerations should patent holders pursue for maintaining patent strength?
Regular monitoring of prior art, pursuing continuation applications, filing international counterparts, and actively enforcing rights are critical practices.


References

[1] USPTO Patent Grant No. 11,202,767
[2] Patent Examination Guidelines, USPTO
[3] Patent Landscape Reports, [relevant industry reports]
[4] Scientific Literature and Patent Databases (e.g., PubMed, Espacenet)

More… ↓

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Drugs Protected by US Patent 11,202,767

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-001 Dec 22, 2022 RX Yes No 11,202,767 ⤷  Get Started Free TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Get Started Free
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-002 Dec 22, 2022 RX Yes No 11,202,767 ⤷  Get Started Free TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Get Started Free
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-003 Dec 22, 2022 RX Yes No 11,202,767 ⤷  Get Started Free TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Get Started 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

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