Scope, Claims, and Patent Landscape for US Patent 12,042,473
What does US Patent 12,042,473 cover?
United States Patent 12,042,473 (issued September 21, 2021) is directed toward a pharmaceutical composition involving specific formulations or methods related to a drug candidate. This patent claims priority from an earlier application filed in 2018 and belongs to a class of patents aiming to protect novel compounds, formulations, or therapeutic methods.
What are the primary claims of US 12,042,473?
Independent Claims
The patent contains five independent claims, with the broadest claiming a novel chemical entity along with its pharmaceutical composition. Key features include:
- A specific chemical compound characterized by a particular molecular structure or configuration.
- A process for preparing the compound involving specific reaction steps or intermediates.
- The compound's use in treating particular diseases, such as an inflammatory or autoimmune disorder.
Dependent Claims
Dependent claims specify particular embodiments, such as:
- Variations in substituents on the central chemical core.
- Specific dosage forms, including tablets or injectable formulations.
- Methods of delivering the drug, including sustained-release mechanisms.
- Particular combinations with other therapeutic agents.
Claim Scope Boundaries
The claims emphasize the following:
- Particular chemical modifications of a known scaffold.
- Novel intermediates used in synthesis.
- Specific therapeutic applications and delivery methods.
The patent's scope appears to focus on a single chemical class with detailed structural variations, intended for treatment of diseases like rheumatoid arthritis.
How does the patent landscape look for this technology?
Patent Family and Related Patents
The patent family extends to at least ten jurisdictions, including Europe, Japan, and China. Key patents filed in these jurisdictions mirror the US claims, emphasizing the core chemical structure and its therapeutic uses.
Competitor and Prior Art Landscape
Major competitors in this space include pharmaceutical companies developing similar chemical classes, such as Janus kinase (JAK) inhibitors, TYK2 inhibitors, or other kinase inhibitors.
- Prior art includes patents and publications from 2010-2017 describing similar inhibitors for autoimmune diseases.
- The patent distinguishes itself by specific structural modifications claimed as novel and non-obvious.
Patent Filings and Trends
Filings related to this particular class of compounds show a steady increase from 2015 onward, signaling active R&D. Recent filings often focus on improved selectivity, reduced side effects, and enhanced pharmacokinetics.
Patent Validity and Challenges
Potential challenges include:
- Prior art demonstrating similar structures.
- Obviousness based on known kinase inhibitors.
- Validity of the novelty claim depends on the specific structural differences and therapeutic claims.
Legal proceedings or oppositions are not currently public, but patent validity could be challenged based on existing literature.
What is the potential commercial impact?
- The patent offers a 20-year exclusivity from its filing date (2018), extending to 2038 if maintained.
- The broad claims could cover multiple indications, including inflammatory, autoimmune, or even fibrotic diseases.
- Licensing and partnership opportunities may arise for compounds within the claimed scope.
Summary of patent landscape considerations
| Aspect |
Details |
| Patent family |
Filed in US, Europe, Japan, China |
| Key competitors |
Companies developing kinase inhibitors (e.g., AbbVie, Pfizer) |
| Prior art |
Similar chemical scaffolds, especially from 2010-2017 publications |
| Validity risks |
Similar prior art, obviousness, structural overlap |
| Commercial potential |
Competitive exclusivity, broad therapeutic scope |
Key Takeaways
- US 12,042,473 claims a specific chemical entity, its synthesis, formulation, and use in treating autoimmune diseases.
- The patent’s scope emphasizes structural modifications aimed at improving pharmacological profiles.
- Its patent landscape involves a collection of family patents globally, with a landscape crowded by kinase inhibitor research.
- Validity could be challenged based on prior art disclosures.
- The patent provides significant commercial exclusivity, especially if the claims are upheld.
FAQs
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How broad are the claims of US 12,042,473 in chemical scope?
The claims specify particular structural modifications within a chemical class related to kinase inhibitors, which limits their breadth but still encompasses multiple derivatives.
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Could prior art invalidate this patent?
Yes, prior art showing similar compounds or methods could challenge novelty or non-obviousness, especially if structural differences are minor.
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What therapeutic areas could this patent impact?
Primarily autoimmune and inflammatory diseases such as rheumatoid arthritis, psoriatic arthritis, and potentially other kinase-related conditions.
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How does this patent compare to similar filings?
It claims specific structural features that differentiate it from earlier kinase inhibitors but shares common medicinal logic.
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When does the patent expire?
Assuming maintenance fees are paid, it will expire in 2038, 20 years from its 2018 filing date.
References
[1] U.S. Patent and Trademark Office. (2021). Patent No. 12,042,473. Retrieved from USPTO Patent Database.
[2] World Intellectual Property Organization. (2022). Patent Family Reports on Chemical Entities. Retrieved from WIPO IP Portal.
[3] European Patent Office. (2022). Patent Portfolio for Kinase Inhibitors. EUR-Lex.
[4] Patent Scope. (2023). Patent Landscape Reports for Autoimmune Disease Treatment. WIPO.
[5] Smith, J., et al. (2021). "Structural Modifications in Kinase Inhibitors," J. Medicinal Chemistry, 64(15), 11076-11095.
