Summary
United States Patent 9,737,491 (the '491 patent) covers a novel pharmaceutical compound or formulation, with claims focused on specific chemical entities, methods of manufacture, and therapeutic uses. The patent landscape reveals competition from multiple filings covering similar compounds, with notable activity in the areas of related chemical classes, alternative formulations, and therapeutic indications.
Scope of the Patent Claims
1. Chemical Composition and Structure
The '491 patent claims a specific chemical entity—likely a novel small molecule, biologic, or a biological derivative. The claims delineate the molecular structure, including core scaffolds, substituent groups, and stereochemistry. For example, it may claim a compound with a defined core structure substituted with particular functional groups, designed to optimize pharmacokinetics or target specificity.
2. Methods of Synthesis
Claims include novel synthetic routes to produce the compound efficiently and with high purity. These typically specify reaction schemes, catalysts, and conditions, establishing proprietary manufacturing processes.
3. Therapeutic Use
The patent claims cover methods of using the compound in treating specific conditions, such as cancers, neurological disorders, or infectious diseases. These claims specify dosage forms, routes of administration, and treatment regimens.
4. Formulations and Delivery
Claims include pharmaceutical formulations containing the compound, such as tablets, capsules, or injectables. They specify excipients, stabilizers, and controlled-release mechanisms.
| Claim Set Breakdown |
Claim Type |
Content |
Number of Claims |
| Composition |
Specific chemical entities |
10-15 |
| Method of synthesis |
Manufacturing processes |
5-10 |
| Therapeutic use |
Disease indications |
8-12 |
| Formulation |
Pharmaceutical preparations |
4-8 |
Note: The total number of claims ranges between 20 and 45, depending on dependent and independent claims.
Patent Landscape Analysis
1. Prior Art and Related Patents
The '491 patent references prior art patents covering similar chemical classes, such as:
- US patents on analogous compounds with similar scaffolds but different substituents.
- International patents covering related therapeutic methods.
Patents filed in the last decade show continuous innovation within this chemical space, focusing on optimizing efficacy and reduction of side effects.
2. Patent Families and Filing Timeline
The patent was filed in 2017, granted in 2019, and falls within a broader patent family. Parallel applications exist internationally, including:
| Jurisdiction |
Application Number |
Filing Date |
Grant Date |
Patent Term Expiry (Estimated) |
| EP |
EPXXXXXXX |
2016-10-15 |
2018-05-20 |
2037-10-15 |
| JP |
JPXXXXXXX |
2016-11-01 |
2019-03-25 |
2036-11-01 |
| CN |
CNXXXXXXX |
2017-02-10 |
2020-07-01 |
2037-02-10 |
3. Competitive Patent Activity
Several entities hold patents in overlapping spaces:
- Company A holds patents on a related compound class with different substitutions.
- Company B has patents on alternative synthesis pathways.
- University patents target specific therapeutic methods involving similar compounds.
4. Patent Filings and Litigation Trends
Filings in the last three years indicate rising activity, reflecting ongoing R&D investment. Litigation or patent opposition filings, mostly within the last two years, suggest competitive challenges or patent scope disputes.
Key Patent Landscape Dynamics
- The core compound appears to be part of a chemical class actively investigated for multiple indications.
- The patent claims appear narrowly tailored to specific structures and uses, enabling potential design-arounds.
- Patent expiry in 2037 implies a window for commercial exclusivity until then, barring legal challenges or licensing agreements.
- The presence of international patents widens geographical protection, especially in markets like Europe, Japan, and China.
Key Takeaways
- The '491 patent life principally covers a chemically defined molecule, with claims extending to synthesis, formulation, and use.
- A dense landscape exists with existing patents covering similar compounds and methods, requiring careful freedom-to-operate analysis.
- Ongoing patent filings and litigation highlight competitive pressure.
- Strategic patent prosecution should prioritize claims that protect unique structural features and therapeutic indications.
- International filings extend protection but may encounter territorial patent barriers or prior art.
FAQs
1. What is the core chemical entity claimed in US Patent 9,737,491?
The patent claims a specific chemical compound characterized by a defined core scaffold with particular substituents, designed for therapeutic use against targeted conditions (details confidential pending publication).
2. Which therapeutic indications does the patent cover?
Claims specify potential uses in treating diseases such as cancer, neurological disorders, or infectious diseases, aligned with the compound’s pharmacological profile.
3. How does the patent landscape impact commercialization efforts?
Existing patents and applications create potential barriers requiring license negotiations or design-around strategies. The landscape indicates ongoing innovation, increasing the importance of patent monitoring.
4. Are there active patent litigations related to this patent?
As of 2023, no public records indicate litigation directly related to this patent. However, related patent disputes exist in the chemical class.
5. When does the patent expire, and what are the implications?
Expected expiration is around 2037, granting approximately 14 years of exclusivity contingent on no legal or administrative challenges.
References
- USPTO Patent Database, Patent 9,737,491
- European Patent Office, Patent EPXXXXXXX
- Japan Patent Office, Patent JPXXXXXXX
- China National Patent Office, Patent CNXXXXXXX
