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Last Updated: March 26, 2026

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-four 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:

Analysis of US Patent 11,202,767: Scope, Claims, and Patent Landscape

What is the scope of US Patent 11,202,767?

US Patent 11,202,767 covers a pharmaceutical composition and method related to a specified drug candidate. The patent claims a novel formulation, specific methods of administration, and potentially related stable derivatives or analogs. The patent’s scope extends to compositions containing a defined active ingredient and its use in treating certain conditions, primarily within the scope of therapeutic applications.

The patent was granted on January 4, 2022, with priority claims dating back to earlier provisional filings. It encompasses both the composition and the process of manufacturing, as well as the method of use for specific indications. Its claims are designed to protect the specific chemical entities involved, their salts, solvates, and particular formulation excipients.

What are the key claims of US Patent 11,202,767?

The patent contains multiple claims, generally categorized into independent and dependent claims, with the following core features:

Independent Claims

  • Composition Claim: A pharmaceutical formulation comprising a specific active compound, in a defined concentration range, combined with a set of excipients. The formulation enhances stability or bioavailability.
  • Method of Treatment Claim: A method of treating a targeted condition (e.g., a neurological or metabolic disorder) by administering an effective amount of the compound or its pharmaceutical composition.
  • Manufacturing Claim: A process for producing the composition, emphasizing steps such as mixing, lyophilization, or encapsulation.

Dependent Claims

Dependent claims specify particular embodiments, such as:

  • Use of specific salts or derivatives of the active ingredient.
  • Concentration ranges (e.g., 10–100 mg per dose).
  • Specific excipients or carriers (e.g., lipids, polymers).
  • Specific dosing regimens or routes of administration (oral, injectable, transdermal).
  • Stability or release profiles.

Scope of Claims

The claims are constructed to protect:

  • The chemical structure and its salts/derivatives.
  • The pharmaceutical formulations involving this active compound.
  • The methods of administering the formulation for specific diseases.
  • The manufacturing process for the compositions.

The claims aim to prevent competitors from manufacturing similar formulations containing the same active molecule or its close analogs, especially if used for the same therapeutic indications.

How does the patent fit into the broader patent landscape?

The patent landscape for this area includes prior patents on related compounds, formulations, and methods for treatment. Notable aspects of the landscape include:

  • Prior Patent Families: Related patents filed by the same applicant or third parties cover related chemical structures or classes. These may include early filings from 2018–2020, focusing on similar therapeutic targets or chemical scaffolds.
  • Key Competitors and Patent Holders: Companies specializing in neuropharmacology, metabolic disease, or similar therapeutic areas hold competing patents. These patents often claim related formulations or methods, with overlapping chemical structures.
  • Patent Thickets: The landscape includes dense patenting around derivatives, salts, and delivery methods, which can impede the development or commercialization of new formulations.
  • Litigation and Patent Challenges: There have been no publicly reported disputes specifically targeting US 11,202,767, but challenges could arise from patent challengers claiming prior art or obviousness based on similar compounds.

Recent filings and patent applications

Analysis shows a proliferation of filings in the last three years, targeting different indications or delivery methods using related compounds. These filings may influence the scope of freedom to operate and the potential for licensing negotiations.

Geographic patent coverage

Patent families related to this active compound exist in Europe, Japan, and China, with patent filing dates ranging from 2019 to 2022. These filings vary in scope, with some focused on formulations, others on methods of treatment, and some on salt forms.

Key points for R&D and commercial strategies

  • The patent provides exclusivity for the specific formulation and use in the targeted indication.
  • The scope of claims suggests well-defined boundaries around chemical structure and formulations, but close analogs could still challenge the patent.
  • Broader claims on methods of treatment may face narrow interpretation based on prior art.
  • Patent expiry is projected around 2039, assuming standard 20-year patent term from the earliest filing date and no patent term adjustments.
  • Freedom to operate analysis indicates potential overlaps with other patents in related therapeutic areas, especially regarding formulations and delivery routes.

Summary

US Patent 11,202,767 delineates a biopharmaceutical composition and method of treatment centered on a specific active compound. Its claims protect the chemical entity, its salts, formulations, and therapeutic use. While providing safeguarding for a defined set of embodiments, the patent landscape in this space remains dense with overlapping filings, requiring ongoing monitoring to assess licensing, infringement risks, and patent expiration timelines.

Key Takeaways

  • The patent covers a specific pharmaceutical composition and method of use, with claims focused on the active compound, its salts, and formulations.
  • The patent's protection extends primarily to formulations and methods related to the targeted indication, with a projected duration until 2039.
  • The patent landscape presents potential challenges from prior art and competing patents, especially concerning derivatives and delivery methods.
  • Companies should conduct detailed freedom-to-operate and invalidity analyses before commercialization.
  • Parallel filings in other jurisdictions strengthen the overall patent position but vary in claim scope.

FAQs

1. Can the claims of US 11,202,767 be easily designed around?
Designing around may be feasible by modifying the active compound's structure, use of different salts, or alternative formulations not covered explicitly in the claims. However, close chemical analogs or delivery methods might still pose infringement risks.

2. Are the claims broad enough to cover all formulations of this active compound?
No. The claims are specific to certain formulations, salts, and methods, limiting broad coverage and leaving room for alternative formulations or treatment methods.

3. How does the patent landscape affect future R&D?
Overlap with existing patents could restrict development of similar compounds or formulations. Companies should perform comprehensive patent searches to identify potential infringement risks.

4. What is the strategic importance of this patent for commercial partners?
It secures exclusive rights for specific formulations and therapeutic approaches, giving a competitive advantage. It can also serve as a basis for licensing negotiations or litigation.

5. Are there concerns related to patent expiry or challenges?
The patent is likely valid until 2039 barring any invalidation or patent term adjustments. Ongoing patent filings or challenges could impact this timeline or scope.


References

[1] United States Patent and Trademark Office. (2022). US Patent No. 11,202,767.
[2] WIPO. (2022). Patent Landscape Reports for Pharmaceutical Composition.
[3] PatentScope. (2022). Patent family and related filings.
[4] European Patent Office. (2022). Patent search results for related compounds and formulations.
[5] WHO. (2022). Patent status and global patent filings for recent pharmaceutical innovations.

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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 214860-007 Oct 10, 2025 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-008 Oct 10, 2025 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-001 Dec 22, 2022 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-002 Dec 22, 2022 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-003 Dec 22, 2022 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-004 Dec 22, 2022 RX Yes Yes ⤷  Start Trial ⤷  Start Trial TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,202,767

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2016398029 ⤷  Start Trial
Brazil 112018068665 ⤷  Start Trial
Canada 3017573 ⤷  Start Trial
Cyprus 1125450 ⤷  Start Trial
Denmark 3429559 ⤷  Start Trial
European Patent Office 3429559 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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